Experience the culinary delight of a perfectly crafted Deep Dish Vegetarian Quiche. This French-style savory pie promises an exquisite flavor profile and a presentation that is undeniably impressive. Designed for both seasoned cooks and enthusiastic beginners, this recipe is remarkably easy to customize, making it an ideal choice for a rustic yet refined brunch, a special holiday meal, or an elegant everyday dinner. Its tall, generous filling and flaky, golden crust are sure to become a beloved staple in your kitchen.

Unveiling the Charm of This Deep Dish Vegetarian Quiche
There’s an undeniable allure to a well-made quiche, and this particular deep dish vegetarian version stands out as a true masterpiece. We are absolutely captivated by this traditional French-style quiche recipe, specifically designed for a deep dish pan. The result? A magnificently tall, fluffy egg layer nestled within a golden, buttery crust, creating a visual and culinary spectacle that will leave a lasting impression.
What makes this deep dish vegetarian quiche a firm favorite is its incredible versatility and the joyous experience it brings to any table. It transforms simple, wholesome ingredients into an extraordinary meal, perfect for a casual family breakfast, a sophisticated brunch gathering, or even a light dinner. The deep dish format isn’t just for show; it allows for a more generous filling, ensuring every slice is rich with flavor and satisfying texture. This recipe is a testament to the idea that vegetarian dishes can be just as hearty, comforting, and elegant as their meat-inclusive counterparts.
Beyond its aesthetic appeal and delicious taste, this vegetarian quiche offers the freedom of customization. While we’ll guide you through a delightful combination of chopped spinach, sun-dried tomatoes, and creamy feta cheese, the true beauty lies in your ability to adapt it to your preferences or whatever fresh produce you have on hand. Craving a different cheese? White cheddar or Gruyere would be fantastic. Not a fan of feta? Swap it for tangy sliced green olives to introduce a briny counterpoint.
A Note on Preparation: Crafting a deep dish quiche, especially one with a homemade shortcrust, is a labor of love that rewards patience. The crust requires chilling and a crucial blind-baking step before the luscious filling is added. Furthermore, the extensive baking time ensures the deep filling sets perfectly. This is not a rushed weeknight meal, but rather a special recipe truly worth the investment of time. It’s the ideal project for holidays, weekend brunches, or when you wish to treat special guests to something truly memorable and homemade. Allow yourself ample time to savor the process, and you’ll be rewarded with a quiche that’s as impressive as it is delicious.

Essential Ingredients for Your Perfect Quiche
Creating an exceptional deep dish vegetarian quiche begins with selecting high-quality ingredients. Each component plays a vital role in achieving that perfect balance of a flaky crust and a rich, savory filling. Here’s a detailed look at what you’ll need:
For the Flaky Short Crust – The Foundation of Flavor
The shortcrust pastry is the backbone of any great quiche, providing a delicate, buttery base that perfectly complements the rich filling. Using ice-cold ingredients is key to achieving that desirable flaky texture:
- All-purpose flour: Provides the structure for the crust.
- Ice cold butter: Crucial for a flaky crust. Cold butter creates pockets of steam during baking, leading to distinct layers.
- Salt: Enhances the flavor of the crust and balances the sweetness.
- Ice cold water: Helps bind the dough without developing too much gluten, which can make the crust tough.
For the Rich Quiche Filling – A Symphony of Savory Goodness
The filling is where this vegetarian quiche truly shines, offering a creamy, flavorful custard studded with vibrant vegetables and cheese:
- Eggs: The primary binder and source of the quiche’s signature creamy texture.
- Half and half: Contributes to the luxurious, rich consistency of the custard. You can also use heavy cream for an even richer result, or milk for a lighter version.
- Fontina cheese: A semi-soft cheese known for its nutty, buttery flavor and excellent melting qualities. White cheddar or Gruyère are also superb alternatives.
- Spices:
- Italian seasoning: Aromatic blend that adds depth and warmth.
- Salt: Essential for seasoning the custard.
- Onion powder: Provides a subtle onion flavor without the moisture of fresh onions.
- Garlic powder: Adds a hint of savory garlic.
- Cracked black pepper: Offers a fresh, pungent kick.
- Frozen chopped spinach: A classic quiche ingredient, adding color and nutrients. Ensure it’s thoroughly thawed and squeezed dry to prevent a watery filling.
- Sun-dried tomatoes: Intense, sweet, and tangy, they bring a burst of Mediterranean flavor.
- Feta cheese: Crumbly, salty, and tangy, it provides a wonderful contrast to the creamy custard.

Mastering the Deep Dish Short Crust
A truly exceptional quiche begins with an extraordinary crust. This deep dish shortcrust recipe ensures a tender, flaky foundation that won’t get soggy. Here’s how to create it:
Step 1: Preparing the Dough Base
Begin by setting out a large food processor. This tool is invaluable for quickly bringing the dough together while keeping the butter cold. Add the all-purpose flour, cold chopped butter cubes, and a pinch of salt to the processor bowl. Pulse the mixture in short bursts until it resembles a coarse meal with the texture of crumbled oats. The goal is to break down the butter into pea-sized pieces, which will create steam and flakiness during baking.
Next, gradually add 5 tablespoons of ice-cold water. Continue to pulse until the mixture just comes together and can be easily gathered into a solid ball. Be careful not to overmix, as this can develop the gluten in the flour, leading to a tough crust. The dough should still look a bit shaggy, not completely smooth.

Step 2: Chilling for Perfection
Lay out a large piece of plastic wrap on your work surface. Transfer the dough ball to the center of the plastic and gently flatten it into a thick disk. This shape makes it easier to roll out later. Wrap the dough tightly in the plastic wrap, ensuring no air can get in. Refrigerate the dough for at least 30 minutes, though an hour is ideal, and even up to 2 hours can further improve the texture. Chilling the dough allows the gluten to relax and the butter to firm up, making it easier to handle and contributing to a supremely flaky crust.
Step 3: Rolling and Shaping the Crust
Preheat your oven to 375°F (190°C). Prepare a 9-inch springform pan, which is perfect for achieving the deep dish height. Lightly flour your work surface and place the chilled dough disk on it. Using a rolling pin, gently beat the dough in both directions. This helps to soften it slightly and spread it out evenly without tearing. Then, roll the dough out into a large 14-inch circle, ensuring it’s wide enough to generously line the springform pan and extend up the sides.
Carefully lift the rolled crust and transfer it into the springform pan. This step requires a gentle touch. It is crucial not to stretch the crust! Stretching can cause the dough to shrink during par-baking or even tear, leading to a compromised crust. Instead, gently tuck the dough down into the creases of the pan, allowing it to relax into place. Then, carefully fold and press the dough up the sides of the pan, forming a tall edge.
Step 4: Finishing the Edges
Now, you have a couple of options for finishing the crust edge. You can trim the excess dough along the top of the pan and then crimp it decoratively around the top edge using your fingers or a fork. Alternatively, you can allow the crust to hang over the sides, trimming it neatly after the quiche has finished baking. This is entirely a matter of personal preference and desired aesthetic. Both methods will yield a beautiful result.

Step 5: Blind Baking for a Flawless Base
To prevent a soggy bottom – a common quiche woe – blind baking is absolutely essential. Line the raw crust with a large piece of foil or parchment paper, ensuring it covers the bottom and extends up the sides. Fill the lined crust to the top edge of the pan with ceramic pie weights, dried beans, or dried rice. These weights prevent the crust from bubbling up and shrinking during baking.
Fold any extra parchment paper or foil over the top sides of the crust to protect the delicate edges from over-browning. Bake the crust in the preheated oven for 45 minutes. This prolonged blind bake creates a robust, golden barrier that will perfectly contain your rich quiche filling.

Crafting the Irresistible Vegetarian Quiche Filling
With your perfectly blind-baked crust ready, it’s time to assemble the star of the show: the rich, flavorful vegetarian filling. This process is straightforward but requires attention to detail to ensure a creamy, evenly cooked quiche.
Step 1: Preparing the Custard Base
While your crust is busy blind-baking, you can prepare the exquisite filling. Set out a large mixing bowl. Into this bowl, crack the eggs, then add the half-and-half (or your preferred dairy), Italian seasoning, salt, onion powder, garlic powder, and freshly cracked black pepper. Using a whisk, beat the ingredients vigorously until the mixture is completely smooth and well combined. This ensures a homogenous custard with no streaks of egg white or unincorporated spices.
Step 2: Incorporating the Savory Fillings
Now, it’s time to add the hearty components. Stir in the shredded fontina cheese (or white cheddar/Gruyère) along with 1 ½ cups of your chosen additional fillings. In this recipe, we’ve opted for a vibrant medley of ½ cup of well-pressed and dried chopped spinach, ½ cup of intensely flavored sun-dried tomatoes, and ½ cup of tangy crumbled feta cheese. The key here is to ensure the spinach is thoroughly drained of any excess moisture after thawing; otherwise, it can make the quiche watery. Mix all these ingredients thoroughly until they are evenly distributed throughout the egg mixture. This ensures every bite of your quiche delivers a delightful combination of flavors and textures.

Step 3: Filling the Crust and Final Bake
Once your crust has finished its blind-baking phase, carefully remove it from the oven. Using the edges of the foil or parchment paper, gently lift out the pie weights from the center of the crust. The crust should be golden and firm.
Now, carefully pour the prepared filling into the par-baked crust. The crust will be full, so pour slowly and steadily. To prevent the exposed top edges of the crust from over-browning during the long bake, carefully wrap thin strips of aluminum foil around the rim of the pan, covering just the crust. This acts as a shield, allowing the filling to cook through without burning the pastry.

Place the vegetarian quiche back into the oven and continue to bake for an additional 110-130 minutes. Baking time can vary based on your oven and the exact depth of your quiche. The most reliable way to check for doneness is to insert a food thermometer deep into the center of the quiche. It should read 160°F (71°C) when fully cooked. The center should also have a slight jiggle, indicating it’s perfectly set but not overcooked.
Step 4: The Crucial Cooling Phase
Once baked to perfection, remove the quiche from the oven. Allow it to cool at room temperature for at least two hours, and ideally even longer, up to three or four hours. This cooling period is absolutely critical for the quiche to properly set and firm up. Attempting to slice it too soon will result in a messy, unset filling. If you chose to let the crust hang over, now is the time to carefully trim those edges. After sufficient cooling, gently release the quiche from the springform pan. The sides of the pan should easily detach, revealing your beautifully rustic and tall quiche.

Your magnificent deep dish vegetarian quiche is now ready! You can slice and serve it at room temperature, which often allows the flavors to meld beautifully, or gently reheat individual slices for a comforting warm meal.
Crafting a Deep Dish Quiche: A Culinary Journey of Flavor and Elegance!

Exciting Recipe Variations to Explore
One of the greatest joys of this deep dish vegetarian quiche recipe is its adaptability. While our suggested combination of spinach, sun-dried tomatoes, and feta is truly delicious, feel free to get creative and experiment with other ingredients to suit your taste or what you have on hand. The important thing to remember is to stick with approximately 1 ½ cups of total filling ingredients. This proportion ensures the quiche sets correctly and maintains its luxurious texture without being overcrowded. For reference, an 8-ounce package of frozen spinach, once thawed and thoroughly squeezed, typically yields about ½ cup, providing a good base for your measurements.
Swapping Out Vegetables:
- Jarred Vegetables: If you’re using other jarred vegetables, such as roasted red peppers, artichoke hearts, or marinated mushrooms, be absolutely sure to drain them exceptionally well. Excess moisture from these ingredients can lead to a watery quiche. Press them dry with paper towels if necessary.
- Fresh Vegetables: Fresh vegetables are fantastic, but they must be prepared correctly. Many fresh vegetables, like mushrooms, bell peppers, leeks, zucchini, or asparagus, contain a lot of water. To prevent them from releasing this moisture into your quiche, you’ll need to sauté them down in a little fat (like olive oil or butter) until they are tender and most of their liquid has evaporated. This step concentrates their flavor and ensures your quiche maintains its ideal consistency. For instance, slice mushrooms and sauté until golden brown, or soften bell peppers and leeks before adding.
Cheese Alternatives:
While fontina and feta offer wonderful flavors, don’t hesitate to explore other cheese options. Gruyère cheese provides a nutty, complex flavor, while sharp white cheddar offers a robust, familiar taste. Even goat cheese could add a delightful tanginess.
Adding Protein:
As written, this quiche recipe is wonderfully vegetarian, making it accessible to a wide audience. However, if you’re looking to add a boost of protein or a different flavor dimension, incorporating meat is an excellent option. Cooked and chopped bacon or savory breakfast sausage are both incredibly delicious additions. Just be sure that any meat added is fully cooked and drained of excess fat before mixing it into the egg custard.
Experimenting with these variations not only keeps the recipe exciting but also allows you to tailor it perfectly to any meal or preference. The possibilities are truly endless!

Elevating Your Meal: Perfect Serving Suggestions
This deep dish vegetarian quiche is more than just a dish; it’s a centerpiece, a conversation starter, and a comforting meal all in one. Its versatility makes it suitable for a myriad of occasions, from the most relaxed family gatherings to elegant holiday feasts. Here are some ideas to help you serve it perfectly:
Ideal Occasions:
This vegetarian quiche recipe shines particularly bright during holiday breakfasts and brunches! Its impressive stature and rich flavors make it a festive addition to any spread. The beauty of this recipe is that you can bake it early in the morning, allowing it to cool as you prepare other dishes, or even get everything done the night before. A simple reheat makes it ready to serve, minimizing stress on the big day.
Perfect Pairings:
Enjoy thick, generous slices of quiche either at room temperature or gently warmed. Its rich flavor pairs beautifully with lighter, fresher accompaniments:
- Fresh Green Salad: A simple, crisp green salad with a light vinaigrette provides a refreshing contrast to the quiche’s richness. Think mixed greens, a few cherry tomatoes, and perhaps some cucumber slices.
- Seasonal Fresh Fruit: A vibrant platter of fresh fruit, such as berries, melon, grapes, or citrus segments, adds natural sweetness and a pop of color, brightening up any meal.
- Heartier Sides for a Crowd: For an even more substantial meal, especially when feeding a large gathering, consider whipping up some complementary dishes. A savory Sweet Potato Hash offers a wonderful textural contrast and earthy sweetness. You might also include classic breakfast sides like crispy bacon or savory sausage – or their plant-based alternatives for a fully vegetarian spread.
- Freshly Baked Bread: A basket of warm, crusty bread or fluffy croissants is always a welcome addition, perfect for soaking up any lingering flavors.
Beverage Pairings:
And let’s be honest, is it truly brunch without a celebratory cocktail? Make your meal a festive affair with:
- Mimosas: The classic brunch cocktail, a delightful blend of sparkling wine and orange juice.
- Bloody Marys: For those who prefer a savory kick, a well-crafted Bloody Mary is the perfect accompaniment.
- Salty Dog Cocktails: A refreshing gin or vodka cocktail with grapefruit juice and a salted rim, offering a zesty counterpoint to the quiche.
- Coffee and Tea: For non-alcoholic options, freshly brewed coffee and an assortment of teas are always appreciated.
No matter how you choose to serve it, this deep dish vegetarian quiche is destined to be a memorable and much-loved addition to your culinary repertoire.

Frequently Asked Questions About Deep Dish Vegetarian Quiche
The ultimate secret to a crisp, non-soggy quiche bottom lies in a technique called “blind baking.” This involves baking the crust by itself, often with pie weights, before adding the wet filling. The initial baking creates a sturdy, golden barrier that prevents the egg custard from soaking into the pastry. Additionally, ensuring your oven is preheated to the correct temperature and using a metal pan (like a springform or pie dish) that conducts heat well helps achieve an evenly baked and firm crust.
For most fresh vegetables, yes, pre-cooking is highly recommended, and often essential. Many vegetables, such as mushrooms, bell peppers, zucchini, and spinach, contain a significant amount of moisture. If added raw to the quiche filling, this moisture can be released during baking, leading to a watery, unset custard. Sautéing them briefly in a pan before adding them to the filling helps to evaporate this excess liquid and also concentrates their flavor. For frozen vegetables like spinach, thawing and vigorously squeezing out all water is crucial. Jarred vegetables should also be thoroughly drained.
Leftover deep dish quiche should be transferred to an airtight container or tightly wrapped in plastic wrap. Stored properly in the refrigerator, it will remain fresh and delicious for up to 4 days. To serve, you can either allow individual slices to come to room temperature for several minutes before enjoying, or briefly reheat them in the oven (at around 300-325°F or 150-160°C) until warmed through.
Absolutely! This vegetarian quiche recipe is an excellent candidate for make-ahead preparation and freezing. To freeze, allow the entire deep dish quiche to cool completely at room temperature for at least an hour, or until it’s no longer warm. Wrap the cooled quiche tightly in several layers of plastic wrap, ensuring no air can get in, then add a layer or two of aluminum foil for extra protection against freezer burn. You can also store it in an airtight, freezer-safe container if preferred. The quiche can be stored in the freezer for up to 3 months. When you’re ready to enjoy it, thaw the quiche overnight in the refrigerator, then bake at 350°F (175°C) for 30-45 minutes, or until it is thoroughly warmed in the center.

Explore More Fabulous Brunch Recipes!
If you’ve enjoyed crafting this deep dish vegetarian quiche, you’re likely a fan of delightful brunch spreads. We have a treasure trove of other fantastic recipes that will elevate your weekend mornings and holiday gatherings. Be sure to also try these delicious options:
- Easy Eggs Benedict Casserole
- Fluffy and Simple Crispy Waffles
- Decadent Zucchini Muffins with Nutella Swirl
- Elegant Bruleed Grapefruit (Pamplemousse Brûlé)
- Effortless Easy Sheet Pan Pancakes
- The Best French Toast Recipe (Pain Perdu)
- Light Egg White Frittata with Spinach and Peppers
- Perfect Avocado Toast with a Poached Egg
- Hearty Tater Tot Breakfast Casserole
- “Better Than Cinnabon” Cinnamon Rolls
- Savory Strata Recipe (Overnight Breakfast Casserole)

Print Recipe
Deep Dish Vegetarian Quiche Recipe
Prep Time: 1 hour
Cook Time: 2 hours 45 minutes
Chill Time: 1 hour
Total Time: 4 hours 45 minutes
This French-style deep dish vegetarian quiche has a delicious taste and beautiful presentation that is sure to impress! It’s an easy recipe to customize, and perfect to serve as a rustic brunch dish with flair.
Servings: 12 servings
Ingredients
For the Short Crust –
- 2 ¼ cups all-purpose flour
- 12 tablespoons ice cold butter, cut into cubes
- ½ teaspoon salt
- 5 tablespoons ice cold water
For the Quiche Filling –
- 15 large eggs
- 2 ¾ cups half & half
- 2 ½ cups shredded fontina cheese (or white cheddar)
- 2 teaspoons Italian seasoning
- 1 teaspoon salt
- ¾ teaspoon onion powder
- ¾ teaspoon garlic powder
- ½ teaspoon cracked black pepper
- 8 ounces frozen chopped spinach, thawed and squeezed well (about ½ cup)
- ½ cup chopped sun dried tomatoes
- ½ cup chopped feta cheese (or sliced green olives)
Instructions
- For the Short Crust: Set out a large food processor. Add the flour, cold chopped butter cubes, and salt. Pulse until the mixture forms a crumbled oat texture. Then add 5 tablespoons of ice cold water. Pulse again until the mixture comes together and can be rolled into a solid ball.
- Lay out a large piece of plastic wrap. Set the dough ball in the center of the plastic and smash it into a flat disk. Then wrap well in plastic and refrigerate for at least 30 minutes, but 60 minutes is better.
- Preheat the oven to 375°F (190°C). Set out a 9-inch springform pan. Place the cold dough disk on a floured work surface. Using a rolling pin, beat the dough in both directions to soften and spread out the disk. Then roll it out into a large 14-inch circle. Carefully lift the crust into the springform pan. Do not stretch the crust! (This can cause breakage when par-baking.) Instead, tuck the crust down into the creases of the pan. Then fold and press the dough up the sides of the pan.
- You can now trim the crust along the top of the pan and crimp it around the top edge. Or allow the crust to hang over the sides, to be trimmed off after baking. This is completely a matter of preference.
- Place a large piece of foil or parchment paper down into the crust and fill it to the top of the pan with ceramic pie weights, dried beans, or dried rice. Fold the extra parchment paper or foil over the top sides of the crust. Bake the crust for 45 minutes.
- Meanwhile Make the Quiche Filling: Set out a large bowl. Combine the eggs, half-and-half, Italian seasoning, salt, onion powder, garlic powder, and cracked black pepper. Whisk well until smooth.
- Stir in the shredded fontina cheese, along with 1 ½ cups of additional filling. (I used ½ cup of well-pressed and dried spinach, ½ cup of sun-dried tomatoes, and ½ cup of crumbled feta cheese.) Mix well.
- When the crust has finished par-baking, use the edges of the paper or foil to carefully lift the weight out of the center of the crust.
- Carefully pour the filling into the crust. Where the top crust is exposed, carefully wrap strips of foil over the crust to ensure it does not continue browning. Place the quiche back into the oven and bake for an additional 110-130 minutes, or until a thermometer inserted deep into the center of the quiche reads 160°F (71°C).
- Allow the quiche to cool at room temperature for at least two hours. (Trim the edges of the crust if you did not do it earlier.) Then release the quiche from the springform pan.
- Cut and serve at room temperature, or reheat each slice before serving.
Notes
Transfer leftovers to an airtight container, or wrap the serving dish in plastic wrap. Keep the quiche in the refrigerator for up to 4 days. To serve, set slices out at room temperature for several minutes or briefly reheat in the oven.
To freeze: Let the deep dish quiche cool completely at room temperature, for up to an hour or so. Wrap tightly in plastic wrap or store in an airtight freezer-safe container. I suggest also wrapping in a layer or two of aluminum foil for extra protection. Store the quiche in the freezer for up to 3 months; thaw in the fridge before baking at 350°F (175°C) for 30-45 minutes, until warmed throughout.
Nutrition
Serving: 1pc, Calories: 480kcal, Carbohydrates: 25g, Protein: 21g, Fat: 33g, Saturated Fat: 19g, Polyunsaturated Fat: 2g, Monounsaturated Fat: 10g, Trans Fat: 0.5g, Cholesterol: 292mg, Sodium: 804mg, Potassium: 430mg, Fiber: 2g, Sugar: 5g, Vitamin A: 3383IU, Vitamin C: 3mg, Calcium: 315mg, Iron: 3mg
Course: Breakfast, Brunch, Holiday, Lunch
Cuisine: American, French
Author: Sommer Collier