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These Crab Stuffed Mushrooms are pure crowd-pleasers — creamy, cheesy, and filled with sweet, tender crab. Whether you’re hosting a fancy dinner party, planning a cozy holiday spread, or setting out a game-day appetizer, these little bites never fail to impress.
Why this recipe is so delicious: The crab filling is rich, creamy, and packed with flavor — a perfect blend of sweet crab, tangy cream cheese, nutty Parmesan, and classic Old Bay seasoning. Each mushroom is topped with buttery Panko crumbs that bake up golden and crisp, giving every bite that irresistible crunch. Best of all, they’re make-ahead friendly, so entertaining is a breeze!
If you love crowd-pleasing appetizers like my Air Fryer Crab Rangoon, Hot Crab Dip, Red Lobster Sausage Balls, or Southern Deviled Eggs, these Crab Stuffed Mushrooms will fit right in on your party table. 🦀
🍄 Best Mushrooms To Use
I love the flavor and texture of cremini mushrooms best for this recipe — they have a deeper, more savory taste that pairs beautifully with the rich crab filling. If you can’t find them, white or button mushrooms work just fine, too. Just choose ones that are about 2 inches wide, so they can hold plenty of filling without collapsing as they bake.
How To Clean Mushrooms
Mushrooms are naturally spongy, so it’s best to avoid soaking them in water. Instead, wipe each mushroom with a damp paper towel to remove any dirt or debris.
That said, many cooks agree that a quick rinse and spin dry (a salad spinner works great!) won’t hurt if your mushrooms are especially dirty — any tiny bit of absorbed water will evaporate in the oven.
When removing the stems, skip the knife — just pinch and rock them gently back and forth until they release. And don’t toss those stems! They’re perfect for adding to vegetable stock, stirring into omelets, or sautéing for a quick side later in the week.
Before You Begin
✨ Choose the Right Mushrooms: Look for large, firm cremini mushrooms about 2 inches wide so they can hold plenty of filling.
✨ Clean Gently: Skip soaking — wipe mushrooms with a damp cloth or rinse quickly and spin dry in a salad spinner. Water left behind will evaporate as they bake.
✨ Prep Ahead Tip: You can make the filling a day in advance and refrigerate it. Bring it to room temperature before stuffing so it spreads easily.
✨ Save Those Stems: Chop them for omelets, soups, veggie stock, or my Mushroom Ravioli later — no waste! The chopped stems are perfect stirred into the mushroom sauce for extra depth and rich, earthy flavor.
Crab Stuffed Mushrooms Ingredients
This cozy appetizer comes together with simple, flavorful ingredients — here’s what you’ll need to make it:
- Mushrooms – I love using cremini mushrooms (also called baby bellas) for their rich, savory flavor. White or button mushrooms work too! Choose large ones, about 2 inches wide, so there’s plenty of room for stuffing.
- Crab Meat – Use lump crab meat for the best flavor and texture. Pick through it carefully to remove any bits of shell.
- Cream Cheese – The base of that luscious, creamy filling. Let it soften to room temperature so it blends smoothly.
- Green Onions – Add a fresh, mild bite that brightens the filling.
- Garlic – Just one clove brings subtle depth and savory aroma.
- Lemon Juice – A touch of acid keeps the filling balanced and enhances the sweet flavor of the crab.
- Mozzarella + Parmesan Cheese – Mozzarella adds meltiness, while Parmesan adds nutty, salty richness — a perfect combo.
- Old Bay Seasoning – The classic seafood spice blend that brings everything together.
- Dry Mustard Powder – Adds gentle warmth and depth without overpowering the delicate crab.
- Salt + Black Pepper – Season to taste and make every flavor pop.
- Panko Bread Crumbs – Create that irresistible crisp topping.
- Butter – Mixed with the Panko to help it toast up golden and flavorful.
- Fresh Parsley – Adds a pop of color and freshness right before serving.
Pro Tips
⭐ Choose Good Crab:
For the very best flavor, use fresh lump crab meat. It gives the filling that sweet, delicate seafood taste that makes these mushrooms so special. If you’re using canned or imitation crab, drain it well and season a little extra with salt or Old Bay to boost the flavor.
⭐ Lighten It Up:
Skip the breadcrumb topping for a low-carb version! You’ll still get that luscious, creamy crab filling without the crunch. For texture, sprinkle a bit of crispy bacon or chopped toasted walnuts before baking.
⭐ Bring the Heat:
Craving a spicy twist? Swap Old Bay seasoning for Cajun seasoning, use Pepper Jack cheese instead of mozzarella, and stir in a teaspoon of hot sauce or a few chopped pickled jalapeños.
⭐ Make-Ahead Magic:
You can assemble these mushrooms up to a day in advance and refrigerate them, covered. When it’s time to serve, just bake straight from the fridge — no last-minute stress required!
⭐ Crispy Tops Every Time:
For the best golden crunch, mix the Panko crumbs with melted butter right before topping and bake until the edges are lightly browned. It’s the secret to that bakery-style crisp finish.
How To Make Crab Stuffed Mushrooms
- Preheat the oven. Line a rimmed baking sheet with aluminum foil and spray with nonstick cooking spray.
- Wipe mushrooms with a damp cloth to clean. Remove stems. Place mushroom caps on the prepared baking sheet.
- In a medium mixing bowl, combine the filling ingredients.
- Place a heaping tablespoonful of crab mixture into each mushroom cap.
- Combine Panko bread crumbs and melted butter. Sprinkle evenly over filled mushroom caps.
- Bake in the preheated oven, for 20-30 minutes, or until heat through and the filling is hot and bubbly.
- Sprinkle with chopped parsley and serve.
Frequently Asked Questions
Can I use imitation crab?
Yes — if that’s what you have on hand, imitation crab will still give a nice seafood flavor. Just know it’s a little milder and slightly sweeter than real lump crab.
Can I make these ahead of time?
Absolutely! These are perfect for entertaining. You can stuff the mushrooms, cover, and refrigerate them up to 24 hours before baking. Just add a few extra minutes to the bake time when cooking straight from the fridge.
Can I use different mushrooms?
Yes! Cremini are my favorite for their hearty, savory flavor, but white button mushrooms work great too. For a main-course twist, use large portobellos and bake a little longer.
How do I keep the mushrooms from getting watery?
Make sure to avoid soaking them in water when cleaning — a quick wipe or rinse and spin-dry is all you need. As they bake, any tiny bit of moisture will evaporate, leaving perfectly tender caps.
What can I serve with Crab Stuffed mushrooms?
They pair beautifully with fresh salads (like my House Salad with Buttermilk Dressing), cozy appetizers (air fryer crab rangoon or cheesy French pinwheels), and seafood favorites (Shrimp Dip or Hot Crab Dip)
Storing + Reheating + Freezing
Store
- Let the mushrooms cool completely, then place them in an airtight container and refrigerate for up to 3 days. They’ll stay creamy and flavorful without getting soggy.
To Reheat
- Warm in a 350°F oven for about 10–12 minutes, until the filling is hot and the topping is crisp again. The oven gives the best texture, but you can use the microwave in short bursts if you’re reheating just a few.
To Make Ahead
- You can assemble the mushrooms a day in advance, cover tightly with plastic wrap, and refrigerate. When ready to serve, bake straight from the fridge—just add a few extra minutes to the baking time. Perfect for entertaining!
To Freeze
- Because the filling is rich and creamy, these don’t freeze well—the texture can separate once thawed. If you’d like to get ahead, prepare the filling up to two days in advance and refrigerate it separately, then stuff and bake the mushrooms fresh.
More Appetizers To Love
- Ham and Cheese Pinwheels
- Pizza Pinwheels
- Baked Jalapeño Poppers
- Cranberry Meatballs
- Tiropita
- Southern Deviled Eggs
- Sausage Pinwheels
🦀 Tried This Recipe?
⭐ Please tap the stars below to rate this recipe and leave a comment! I’d love to hear how these Crab Stuffed Mushrooms turned out in your kitchen — your feedback means the world to me and helps others find the recipe, too.
📸 Don’t forget to tag me on Instagram @gonna_want_seconds so I can see your beautiful creations!
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Thanks for stopping by my kitchen today — happy cooking, friends! ❤️ Kathleen
Crab Stuffed Mushrooms
Ingredients
- 20 large Cremini mushrooms (about 20 pieces) about 2 inches
Filling:
- 1 pound crab meat picked over for any shells
- 8 ounces cream cheese at room temperature
- 1/2 cup green onions finely chopped
- 1 clove garlic minced
- 1 tablespoon lemon juice
- 1/2 cup Mozzarella shredded
- 1 cup grated Parmesan cheese
- 1 teaspoon Old Bay seasoning
- 1/4 teaspoon salt
- 1/4 teaspoon black pepper
- 1 teaspoon dry mustard powder
Topping:
- 1/2 cup Panko bread crumbs
- 1/4 cup grated Parmesan cheese
- 2 tablespoons regular butter melted
- 2 tablespoons fresh parsley chopped
Instructions
- Preheat oven to 375°F (190°C). Line a rimmed baking sheet with aluminum foil and spray with nonstick cooking spray.
- Wipe mushrooms (about 20 pieces) with a damp cloth to clean. Remove stems. Place mushroom caps on the prepared baking sheet.
- In a medium mixing bowl, combine the filling ingredients.
- Place a heaping tablespoonful of crab mixture into each mushroom cap.
- In a small bowl, combine Panko bread crumbs (1/2 cup) and melted butter (2 tablespoons). Sprinkle evenly over filled mushroom caps. Bake in the preheated oven, for 20-30 minutes, or until heat through and the filling is hot and bubbly. Sprinkle with chopped parsley (2 tablespoons) and serve.
Notes
- Mushroom prep – To wash or not to wash? The general consensus for prepping button mushrooms that are destined for cooking is that you do want to wash them. Yes, they’ll absorb a teeny bit of water thanks to their spongy texture, but it’s an insignificant amount that will easily evaporate during the cooking process.
- A salad spinner works great for this job. You should also avoid the knife when removing the stems. Just pinch them between your fingers and rock them back and forth to remove them before stuffing them.
- Don’t throw the stems away! You can toss them into veggie stock or chop them up for an omelet the next day.
- Lighten up – If you skip the breadcrumb topping, you’ll make these crab stuffed mushrooms low carb.
- To replace the crunch, try sprinkling the top with crumbled, crispy bacon or chopped toasted walnuts.
- If you like the idea of the entrée version of this dish, you can also try one of the healthy crabs stuffed portobello mushroom recipes, basically ditching the cheese altogether and using a teeny bit of milk and breadcrumbs to bind the crab enough for stuffing.
- Bring the heat – I know lots of us have a “spicy” tooth, and you can certainly play around with the filling in this recipe.
- Replace the Old Bay seasoning with Cajun seasoning, use Pepper Jack instead of the mozzarella, and add a teaspoon of hot sauce or a half cup of chopped pickled jalapenos.
This stuffed mushrooms was a hit!
Thank you so much, Kate 🙂 I’m glad you liked this!