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 13 ingredients. The key ingredients include: 6 ounces long grain and wild rice blend, 1 lb frozen crabmeat, thawed or 2 1/2 cups canned lump crabmeat, drained, 1 lb cooked medium shrimp, peeled deveined and cut into 1/2 inch pieces, 2 celery ribs, chopped, 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: 6 ounces long grain and wild rice blend; 1 lb frozen crabmeat, thawed or 2 1/2 cups canned lump crabmeat, drained; 1 lb cooked medium shrimp, peeled deveined and cut into 1/2 inch pieces; 2 celery ribs, chopped; 1 medium onion, finely chopped; 1/2 cup finely chopped green pepper; 4 ounces mushroom stems and pieces, drained; 2 ounces diced pimentos, drained; 1 cup mayonnaise; 1 cup milk; 1/2 teaspoon pepper; 1 dash Worcestershire sauce; 1/4 cup dry breadcrumbs

Try this homemade Seafood Casserole recipe the whole family will love. Made with long grain, frozen crabmeat, shrimp and celery. Easy step-by-step instr…

This Seafood Casserole relies on simple, everyday ingredients such as celery ribs, chopped, medium onion, finely chopped, finely chopped green pepper and diced pimentos, drained. It comes together quickly and makes 4 servings, at about 784 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

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

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

My Personal Notes

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Seafood Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions