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 Seafood Thermidor?

You need 18 ingredients. The key ingredients include: 1 pound fish fresh or frozen fillets, 1/2 pound crabmeat or mixed shellfish, crabmeat, clams, shrimp and or any combinations, 1/2 onion small, quartered, 1 lemon small, quartered, and more.

Is Seafood Thermidor suitable as seafood?

Yes, Seafood Thermidor falls under the Seafood category and is a great choice for this type of meal.

How do I store leftover Seafood Thermidor?

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

Seafood Thermidor Recipe

Name: Seafood Thermidor
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 pound fish fresh or frozen fillets; 1/2 pound crabmeat or mixed shellfish, crabmeat, clams, shrimp and or any combinations; 1/2 onion small, quartered; 1 lemon small, quartered; 1 can cream of shrimp soup; 3 tablespoons flour; 1/4 cup milk; 1/4 cup dry white wine; 1/2 teaspoon dijon mustard; 1/4 cup mozzarella cheese shredded; 2 tablespoons parsley chopped; 1/2 cup bread crumbs; 2 tablespoons Parmesan cheese; 2 tablespoons butter melted; 1/2 teaspoon paprika; 1/2 teaspoon lemon juice; lemon slices; chopped parsley

Try this homemade Seafood Thermidor recipe the whole family will love. Made with fish, crabmeat, onion and lemon small. Easy step-by-step instructions i…

This Seafood Thermidor relies on simple, everyday ingredients such as fish fresh or frozen fillets, onion small, quartered, lemon small, quartered and cream of shrimp soup. It comes together quickly and makes 4 servings, at about 325 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

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
A good 1:1 gluten-free flour blend works well if you need a gluten-free version.
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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Seafood Thermidor

Tips for the best results

Variations & substitutions

My Personal Notes

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