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 Casserole?

You need 16 ingredients. The key ingredients include: 1 lb. shrimp, cooked, 8 oz. oysters in juice, cooked, 1 lb. scallops, cooked, 1 lb. crabmeat, and more.

Is Seafood Casserole suitable as seafood?

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

How do I store leftover Seafood Casserole?

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

Seafood Casserole Recipe

Name: Seafood Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 lb. shrimp, cooked; 8 oz. oysters in juice, cooked; 1 lb. scallops, cooked; 1 lb. crabmeat; 1/4 c. butter; 1/4 c. flour; 1 1/2 c. milk; 1/2 tsp. salt; 1/4 tsp. dill weed; 1/8 tsp. pepper; 1/8 tsp. dry mustard; pinch of thyme; 2 c. cheese, grated; 2 egg yolks; juice of 1 lemon; 1 lb. mushrooms

Try this homemade Seafood Casserole recipe the whole family will love. Made with shrimp, oysters, crabmeat and butter. Easy step-by-step instructions in…

This Seafood Casserole relies on simple, everyday ingredients such as shrimp, cooked, oysters in juice, cooked, scallops, cooked and crabmeat. It comes together quickly and makes 4 servings, at about 908 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.

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

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Seafood Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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