Impress your guests with delicious crab stuffed portobello mushrooms. Quick prep, big flavor — perfect for seafood lovers!

If you’re looking for an appetizer or a light meal that feels fancy but is actually super simple to make, crab stuffed portobello mushrooms are the answer. They’re juicy, creamy, packed with savory flavors, and make any meal feel special — whether it’s a cozy family dinner or a party with friends.
Let’s jump into everything you need to know to create these mouthwatering bites!
Why You’ll Love crab stuffed portobello mushrooms
- Elegant but Easy: Looks like something from a five-star restaurant, but anyone can make it.
- Packed with Flavor: Fresh crab meat, creamy cheese, a hint of spice — it’s a flavor bomb.
- Versatile: Perfect as an appetizer, side dish, or even a light main course.
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Ingredients You’ll Need
- 4 large portobello mushroom caps
- 1 cup fresh lump crab meat
- 1/2 cup cream cheese (softened)
- 1/4 cup Parmesan cheese
- 1/4 cup breadcrumbs
- 2 tablespoons mayonnaise
- 1 tablespoon Dijon mustard
- 2 green onions (chopped)
- 1 teaspoon Old Bay seasoning
- 1/2 lemon (juiced)
- Salt and black pepper to taste
- Olive oil for brushing
- Fresh parsley for garnish
How to Make crab stuffed portobello mushrooms
Step 1: Prep the Mushrooms
- Preheat your oven to 375°F (190°C).
- Clean the mushrooms by wiping them with a damp cloth. Remove the stems and gently scrape out the gills.
Step 2: Make the Filling
- In a bowl, combine crab meat, cream cheese, mayonnaise, Dijon mustard, Parmesan, breadcrumbs, green onions, Old Bay seasoning, lemon juice, salt, and pepper. Mix gently.
Step 3: Assemble
- Lightly brush mushroom caps with olive oil.
- Spoon the crab mixture evenly into each mushroom cap.
Step 4: Bake
- Arrange the stuffed mushrooms on a baking sheet lined with parchment paper.
- Bake for 18-20 minutes or until golden and bubbly.
Step 5: Garnish and Serve
- Sprinkle with fresh parsley.
- Serve warm and enjoy!

Pro Tips for Perfect crab stuffed portobello mushrooms
- Use Fresh Crab: Fresh lump crab gives the best flavor and texture.
- Don’t Overcook: Mushrooms can become soggy if overbaked.
- Add a Crunch: Sprinkle extra breadcrumbs on top before baking for a crispy finish.
Best Suggestions for Making crab stuffed portobello mushrooms
Here are some products that would be perfect for this recipe:
- Stainless Steel Mixing Bowls Set – Perfect for mixing the filling.
- Oven-Safe Baking Sheet – A quality baking sheet ensures even cooking.
- Parchment Paper Sheets – Prevents mushrooms from sticking.
- Non-Stick Silicone Baking Mat – Eco-friendly alternative to parchment paper.
- Portobello Mushroom Grow Kit – Grow your own fresh mushrooms!
- Seafood Crab Tool Set – For easy crab meat prep.
- Kitchen Chef Knife – For prepping veggies and herbs easily.
Serving Suggestions
- Serve with a crisp side salad.
- Pair with garlic bread or a buttery pasta.
- Drizzle a little lemon butter sauce over the top for extra indulgence!
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Storage and Reheating Tips
- Store: Keep leftovers in an airtight container in the fridge for up to 2 days.
- Reheat: Warm in the oven at 350°F for 10 minutes. Avoid microwaving if you want to keep them crispy.

10 FAQs About crab stuffed portobello mushrooms
Can I use canned crab meat instead of fresh?
Yes, but fresh lump crab gives a sweeter, better texture and flavor.
Do I need to cook the crab meat before stuffing?
If it’s pre-cooked crab (most lump crab is), you don’t need to cook it first.
Can I make these ahead of time?
Yes! Stuff the mushrooms and refrigerate. Bake right before serving.
What other cheeses can I use besides cream cheese?
Goat cheese or ricotta are great creamy alternatives.
How do I prevent soggy mushrooms?
Lightly pre-bake the mushroom caps for 5 minutes before stuffing.
Are crab stuffed mushrooms keto-friendly?
Yes, if you skip or minimize the breadcrumbs.
Crushed pork rinds or almond flour work for a low-carb option.
Can I freeze crab stuffed mushrooms?
It’s not recommended — the texture can get watery after thawing.
Can I grill crab stuffed mushrooms instead of baking?
Definitely! Just grill over indirect heat until cooked through.
What herbs pair best with crab stuffed mushrooms?
Fresh parsley, chives, and a little dill taste amazing.
Conclusion
Crab stuffed portobello mushrooms are an easy, elegant dish that will have everyone asking for seconds. Whether you’re hosting a party, planning a romantic dinner, or just treating yourself to something delicious, these mushrooms are a show-stopper. Follow this simple recipe, use fresh ingredients, and enjoy a mouthwatering masterpiece!