How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Crab-Stuffed Portobellos?

You need 11 ingredients. The key ingredients include: 8 (4-inch) portobello mushrooms, 1 (8-ounce) block fat-free cream cheese, softened, 1/2 cup finely chopped green onions, 1/4 cup light mayonnaise, and more.

Is Crab-Stuffed Portobellos suitable as seafood?

Yes, Crab-Stuffed Portobellos falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Crab-Stuffed Portobellos?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Crab-Stuffed Portobellos Recipe

Name: Crab-Stuffed Portobellos
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 8 (4-inch) portobello mushrooms; 1 (8-ounce) block fat-free cream cheese, softened; 1/2 cup finely chopped green onions; 1/4 cup light mayonnaise; 1 teaspoon lemon juice; 1/2 teaspoon Old Bay seasoning; Dash of ground red pepper; 1 pound crabmeat, shell pieces removed; 1 cup quartered cherry tomatoes (about 12); 1/2 cup (2 ounces) shredded reduced-fat, reduced-sodium Swiss cheese (such as Alpine Lace); 1/2 cup dry breadcrumbs

Try this homemade Crab-Stuffed Portobellos recipe the whole family will love. Made with portobello mushrooms, cream cheese, green onions and light mayon…

This Crab-Stuffed Portobellos relies on simple, everyday ingredients such as finely chopped green onions, light mayonnaise, lemon juice and old bay seasoning. It comes together quickly and makes 4 servings, at about 356 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Seafood

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Crab-Stuffed Portobellos

Tips for the best results

Variations & substitutions

My Personal Notes

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