Hot Seafood Casserole

Prep: 15 min Cook: 25 min Serves: 4 Cuisine: American

A flavorful hot seafood casserole combining crab, shrimp, and vegetables in a creamy sauce, topped with bread crumbs and baked until golden—perfect for seafood lovers. Great over rice.

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Ingredients

  • 1 lb. crabmeat
  • 1 c. cooked shrimp, peeled and chopped
  • 1 small onion
  • 1/2 c. chopped celery
  • 1/2 c. chopped green pepper
  • 1 c. mayonnaise
  • 1/2 tsp. salt and pepper
  • 1 tsp. Old Bay seasoning
  • 1 c. soft bread crumbs
  • 2 Tbsp. butter, melted

Instructions

  1. Mix crabmeat and cooked shrimp; set aside.
  2. Combine mayonnaise, chopped onion, chopped celery, chopped green pepper, salt, pepper, and Old Bay seasoning.
  3. Fold the seafood mixture into the mayonnaise mixture.
  4. Spoon the mixture into a lightly greased 8-inch square casserole dish.
  5. Toss bread crumbs with melted butter and sprinkle over the casserole.
  6. Bake at 350°F (175°C) for 25 minutes until golden and bubbly.
  7. Serve hot, preferably over rice.

Tips & Substitutions

For a creamier texture, consider adding a touch of cream cheese to the mayonnaise mixture. If you're short on crabmeat, you can substitute with lobster or even canned tuna. Old Bay seasoning can be swapped with Cajun seasoning for a different flavor profile. Ensure your seafood is fresh for the best taste, and remember to adjust seasoning according to your preference.

Serving Suggestions

This Hot Seafood Casserole pairs beautifully with a side of steamed vegetables or a fresh garden salad. For a heartier meal, serve it over rice or alongside crusty bread to soak up the delicious sauce. It also works well as a centerpiece for gatherings, similar to Mrs. Turner'S Crab Casserole.

Storage & Reheating

Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place the casserole in a preheated oven at 350°F (175°C) for about 15-20 minutes or until heated through. You can also microwave individual portions, but they may not retain the crispy topping as well.

Nutrition & Diet Analysis (per serving)

Each serving of Hot Seafood Casserole contains roughly 443 calories, with 12g protein, 26g carbohydrates, and 33g fat. It is an excellent source of vitamin C (57% of the Daily Value) and protein (23% of the Daily Value), and a good source of dietary fiber. Note that it is relatively high in sodium, at 2561mg per serving (111% of the Daily Value).

443 kcal 22% DV
Protein Fat Carbs

Macronutrients

Protein 11.6g 23% DV
Total Fat 33.4g 43% DV
Carbs 25.8g 9% DV
Fiber 2.9g 10% DV
Sugar 5.4g 11% DV

Electrolytes

Sodium 2560.6mg 100% DV
Potassium 338.8mg 7% DV
Cholesterol 77.5mg 26% DV

Vitamins & Minerals

Vitamin A 51mcg 6% DV
Vitamin C 51mg 57% DV
Vitamin D 0.1mcg
Calcium 75.1mg 6% DV
Iron 1.4mg 8% DV
Contains Milk Egg Wheat/Gluten Shellfish

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use frozen seafood for this dish?

Yes, you can use frozen crabmeat and shrimp. Just ensure they are fully thawed and drained before mixing them into the casserole. This will help prevent excess moisture from affecting the dish's overall texture.

What can I substitute for mayonnaise?

If you're looking for a lighter option, Greek yogurt can be a great substitute for mayonnaise. It adds a tangy flavor and a creamy texture while reducing the calorie count. Just keep in mind that it may alter the flavor slightly.

Is it possible to make this casserole ahead of time?

Absolutely! You can prepare the casserole up to the baking step, cover it tightly, and refrigerate it for up to 24 hours. When ready to bake, let it sit at room temperature for about 30 minutes before placing it in the oven.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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