Indulge in an effortless yet elegant appetizer with this incredible Seafood Stuffed Mushrooms recipe. These baked delights are generously filled with a rich, creamy blend of premium seafood and cream cheese, then crowned with a irresistible crispy, buttery Ritz cracker topping. Perfect for any gathering, from sophisticated cocktail parties to cozy family evenings, these savory bites come together in under an hour, making them the ultimate gourmet finger food or party snack!

Why You’ll Adore These Seafood Stuffed Mushrooms
There’s something truly magical about stuffed mushrooms, and while we cherish all variations – from our low-carb Asian stuffed mushrooms to classic cheese-filled delights and even fiery jalapeño and bacon creations – today’s recipe elevates the experience to new heights. We’re talking about a sophisticated and incredibly flavorful seafood stuffed mushroom that’s bound to become your new entertaining go-to.
This recipe isn’t just a dish; it’s a celebration of flavors and textures. Imagine plump mushroom caps, oven-roasted to tender perfection, overflowing with a luxurious, creamy filling. What makes this particular recipe stand out is its extraordinary blend of seafood: succulent lump crab meat, delicate chopped clams, and tiny, sweet shrimp. This trio is combined with velvety cream cheese and a medley of fresh, aromatic herbs, creating a filling that’s both rich and perfectly balanced. The final touch? A generous blanket of crushed, buttery Ritz crackers that bake into a golden-brown, crispy crust, providing a delightful textural contrast to the soft, savory interior.
These crab stuffed mushrooms boast a robust, savory crab flavor that is universally adored, while the addition of clams and shrimp introduces an irresistible depth and complexity, making them truly unique. The combination transforms a simple appetizer into a gourmet experience, ideal for special occasions, holiday gatherings, or whenever you want to impress your guests with minimal effort. They are fancy enough for a black-tie event but comforting enough for a casual get-together, proving that elegance doesn’t have to be complicated. Best of all, they bake in just about 30 minutes, freeing you up to enjoy your company rather than being stuck in the kitchen.

Essential Ingredients for Perfect Seafood Stuffed Mushrooms
Crafting these delectable seafood stuffed mushrooms requires a handful of fresh, high-quality ingredients that harmonize to create an unforgettable flavor profile. Here’s what you’ll need:
- Button Mushrooms: Opt for fresh, firm button mushrooms (or baby bellas for a slightly meatier bite). Remember to gently clean them and remove the stems, creating the perfect cavity for our rich filling.
- Cream Cheese: Softened full-fat or low-fat cream cheese forms the creamy base of our filling, binding all the delicious seafood together.
- Cooked Crab Meat: For the best flavor and texture, use good quality cooked lump crab meat, preferably claw meat. This isn’t the place to skimp; real crab makes all the difference.
- Canned Chopped Clams: Drained well, these add a wonderful briny depth and subtle chewiness that complements the crab and shrimp beautifully.
- Canned Tiny Shrimp: Thoroughly drained, these small shrimp bring another layer of delicate seafood flavor and a tender texture to the mix.
- Scallions: Freshly chopped green onions provide a mild, oniony zest and a touch of vibrant color.
- Garlic: Minced fresh garlic is essential for its pungent aroma and savory kick, enhancing all the other flavors.
- Lemon Juice: A squeeze of fresh lemon juice brightens the entire dish, cutting through the richness of the cream cheese and seafood.
- Celery Salt: This often-overlooked seasoning adds an incredible savory depth and a subtle herbaceous note. If you don’t have it, regular table salt can be substituted, but celery salt truly elevates the flavor.
- Cayenne Pepper: For those who enjoy a hint of warmth, a pinch of cayenne pepper adds a gentle kick without overpowering the delicate seafood flavors. Feel free to omit if you’re sensitive to spice.
- Ritz Crackers: These iconic buttery crackers, crushed into crumbs, create the signature golden-brown, crispy topping that everyone loves. Other similar buttery crackers can also work.
Pro Tip: Craving a simpler, pure crab experience? You can easily make these into single-seafood crab stuffed mushrooms by omitting the clams and shrimp. Just double the amount of crab meat in the recipe, using a full pound instead of 8 ounces, to ensure a rich and satisfying filling.

Crafting Your Crab Stuffed Mushrooms with Ritz Crackers
Making these gourmet appetizers is surprisingly straightforward. Follow these steps for perfect, golden-brown stuffed mushrooms every time:
- Prepare Your Workspace: Begin by preheating your oven to 350°F (175°C). While the oven heats, set out a 9 x 13-inch baking dish or a large, rimmed baking sheet. Lightly grease it or line it with parchment paper for easy cleanup.
- Mushroom Prep: Gently remove the stems from all the mushroom caps. You want to create clean, hollow cavities ready for stuffing. Mushrooms act like sponges, so avoid rinsing them under water. Instead, use a damp paper towel to delicately wipe off any dirt or debris from the caps. Arrange the cleaned mushroom caps in your prepared baking dish, gill-side up.
- The Flavorful Filling: In a large mixing bowl, combine the softened cream cheese, well-drained cooked crab meat, drained chopped clams, drained tiny shrimp, finely chopped scallions, minced garlic, fresh lemon juice, celery salt, and a pinch of cayenne pepper.
- Mix to Perfection: Using a sturdy spoon or spatula, mix all the filling ingredients thoroughly. Continue mixing until the mixture is smooth, well-combined, and evenly creamy. Ensure no lumps of cream cheese remain, and the seafood is distributed throughout.
- Stuff the Mushrooms: Take a small spoon and carefully fill each mushroom cavity with a generous amount of the seafood stuffing. Don’t be shy; aim for a slight dome of filling on top of each mushroom, ensuring every bite is packed with flavor.
- Cracker Coating: Crush the Ritz crackers into fine crumbs. You can do this by hand, in a zip-top bag with a rolling pin, or in a food processor. Transfer the crumbs to a small, shallow bowl. One at a time, gently pick up each seafood stuffed mushroom and invert it, rolling the top (the stuffed side) in the crushed Ritz crackers. Press lightly to ensure a good coating, creating that signature crispy crust.
- Arrange and Bake: Once coated, place the crab stuffed mushrooms back into the baking dish, stuffing-side up. Make sure they are arranged in a single layer to ensure even baking and browning of the topping.
- Bake to Golden Perfection: Bake for 35 to 40 minutes. The mushrooms should be tender and cooked through, and the Ritz cracker topping should be beautifully golden-brown and crispy. The aroma filling your kitchen will let you know they’re ready!
- Serve and Enjoy: Carefully remove the baking dish from the oven. If desired, garnish with a sprinkle of fresh chopped scallions for extra color and freshness. Serve these delightful appetizers warm and watch them disappear!

Elevate Your Spread: Serving These Stuffed Mushroom Delights
Prepare for oohs and aahs when you present these tender, flavorful crab stuffed mushrooms with their irresistible Ritz cracker crust at your next gathering! These elegant and satisfying bites are incredibly versatile and pair beautifully with a variety of other dishes, making them a star appetizer for any occasion.
For a sophisticated cocktail party or holiday celebration, these stuffed mushrooms fit right in alongside other gourmet finger foods. Consider serving them with light and refreshing appetizers such as roasted fish bruschetta, vibrant tuna tartare, or zesty shrimp cocktail wonton cups. The rich seafood flavor of the mushrooms creates a luxurious starter that will get your guests talking and their taste buds tingling.
Beyond appetizers, these seafood stuffed mushrooms also make a fantastic prelude to a grand dinner. Think of them as the perfect “surf” component to complement elegant “turf” main courses. They shine when paired with impressive meat dishes like a classic Steak Diane, a peppery Steak au Poivre, a regal Beef Wellington, a show-stopping Smoked Prime Rib, or a festive Standing Rib Roast. Their creamy, savory profile provides a delightful contrast to hearty meat dishes, making for a truly memorable meal. A light, crisp white wine, such as Sauvignon Blanc or Pinot Grigio, would also be a fantastic beverage pairing to highlight the seafood flavors.

Frequently Asked Questions About Seafood Stuffed Mushrooms
Mushrooms are like sponges, and they readily absorb moisture. To prevent watery stuffed mushrooms, it’s crucial not to submerge them in water when cleaning. Instead, after removing the stems, simply wipe off any dirt or debris with a damp paper towel. Another helpful tip is to ensure your filling is robust and plentiful; filling the caps generously, almost to “nearly overflowing,” helps create a barrier that prevents excess moisture from accumulating during baking, keeping your mushrooms firm and flavorful.
Yes, you can absolutely freeze stuffed mushrooms, but for the best results, it’s recommended to freeze them *before* baking. This method helps maintain their texture and flavor upon reheating. To do this, assemble the mushrooms with the seafood stuffing and Ritz cracker coating as directed in the recipe. Place them on a baking sheet and flash freeze them for about an hour until solid. Once firm, transfer the frozen stuffed mushrooms to an airtight plastic zipper bag or another freezer-safe sealed container. They can be stored in the freezer for up to 3 months. When you’re ready to enjoy them, simply bake from frozen, increasing the cooking time to approximately 40-50 minutes, or until golden brown and heated through.
Cooked crab stuffed mushrooms are always at their peak flavor and texture when enjoyed shortly after baking. However, if you find yourself with leftovers, allow them to cool completely to room temperature before storing. Once cool, transfer them to an airtight container with a lid and place them in the refrigerator. They will remain fresh and delicious for about one to two days. When reheating, a toaster oven or a regular oven at a low temperature (around 300°F/150°C) is ideal for regaining some crispness in the topping.
While full assembly ahead of time isn’t ideal for texture, you can certainly prepare components in advance to save time on the day of serving. The mushrooms can be cleaned and destemmed, and the seafood filling can be mixed completely. Store the cleaned mushroom caps and the prepared seafood filling in separate airtight containers in the refrigerator for up to two days. On the day of your event, all you’ll need to do is stuff the mushrooms, top them with Ritz crackers, and bake them fresh. This makes for a much smoother and less stressful preparation process, especially for entertaining.

Explore More Delicious Seafood Recipes!
If you’re a lover of the ocean’s bounty, you’ll be thrilled to discover these other fantastic seafood creations. Expand your culinary repertoire and try these tempting dishes:
- Best Crab Salad Recipe
- Warm Crab Pie
- Pesto Salmon
- Lemon Pepper Grilled Cod
- Seafood Marinara (with Shrimp)
- Grilled Blackened Mahi Mahi
- Perfect Maryland Crab Cakes (Baked or Fried)
- Crab Mac and Cheese
- Clams Casino Recipe
- Hot Cajun Shrimp Dip
- Salmon Sushi Bake
- Hamachi Crudo (Tuna Crudo)


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Seafood Stuffed Mushrooms with Ritz Crackers
20 minutes
40 minutes
1 hour
Crab stuffed mushrooms are brimming with a deliciously rich seafood and cream cheese filling, and topped with crushed buttery Ritz crackers. They bake in under an hour for an easy and elegant appetizer or snack!
10 servings
Ingredients
- 2 pounds button mushrooms, stems removed
- 8 ounces cream cheese, softened
- 8 ounces cooked crab meat, drained
- 6 ounce can chopped clams, drained
- 6 ounce can tiny shrimp, drained
- ½ cup chopped scallions
- 2 cloves garlic, minced
- 1 tablespoon fresh lemon juice
- ½ teaspoon celery salt
- ¼ teaspoon cayenne pepper
- 1 cup crushed Ritz crackers (about 1 sleeve)
Instructions
- Preheat the oven to 350°F (175°C). Set out a 9 x 13-inch baking dish, or a large rimmed baking sheet.
- Gently remove the stems from the mushroom caps, leaving clean cavities. Dust off any dirt or debris with a damp paper towel and place the mushroom caps in the baking dish.
- Set out a large mixing bowl. Combine the softened cream cheese, drained crab meat, chopped clams, tiny shrimp, chopped scallions, minced garlic, lemon juice, celery salt, and cayenne pepper. Mix well until smooth.
- Use a spoon to fill the top of each mushroom cavity with a slight dome of seafood stuffing.
- Crush the Ritz crackers and place them in a small bowl. One at a time, roll the top of each seafood stuffed mushroom in the Ritz crackers to create a crispy coating over the stuffing. Set the mushrooms back in the baking dish.
- Bake for 35 to 40 minutes, until the mushrooms are cooked through, and stuffing tops are golden-brown.
- Garnish with additional chopped scallions if desired. Serve warm.
Notes
If you would prefer to make simple crab stuffed mushrooms, omitting the clams and shrimp, use double the amount of crab as mentioned in the recipe, 1 pound instead of 8 ounces.
Cooked crab stuffed mushrooms taste best when enjoyed shortly after baking. But if you do have leftovers, let them cool completely before transferring them to a container with a lid and placing in the fridge for a day or two.
To freeze: It is best to freeze them after assembling but before baking. Place the stuffed and cracker-coated shrooms on a baking sheet, and flash freeze in the freezer for 1 hour. Then transfer to an airtight plastic zipper bag or other freezer-safe sealed container. Keep in the freezer for up to 3 months. Bake them from frozen, increasing the cook time to 40-50 minutes.
Nutrition
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