Creamy Seafood Casserole Recipe: A Cozy, Coastal Comfort Dish

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Creamy Seafood Casserole Recipe: A Cozy, Coastal Comfort Dish

If you’re in search of a warm, comforting dish that brings the flavors of the sea right to your table, this Creamy Seafood Casserole is the answer. Perfect for seafood lovers, this casserole combines succulent shrimp, tender scallops, and flaky white fish in a rich, creamy sauce. Topped with golden breadcrumbs and baked to perfection, each bite is a blend of creamy, savory, and crispy textures that make it ideal for family gatherings, special occasions, or even a cozy weeknight dinner.

This casserole is easy to customize with your favorite seafood options, whether you prefer shrimp, crab, or even lobster. We’ll walk you through each step, share tips on substitutions, and offer ideas for side dishes that complement this flavorful casserole. Dive into this comforting seafood casserole recipe and enjoy the taste of the coast, right from your kitchen!

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Why You’ll Love This Creamy Seafood Casserole

  1. Easy Yet Elegant: This casserole is simple enough for a weeknight dinner but elegant enough to serve for special occasions.
  2. Customizable Ingredients: Use your favorite combination of seafood, from shrimp and scallops to crab and fish.
  3. Coastal Flavors: The creamy sauce and delicate seafood blend perfectly, creating a dish that feels like a seaside escape.
  4. Comfort Food at Its Finest: Creamy, savory, and topped with crispy breadcrumbs, this casserole is the ultimate comfort food.
  5. Family-Friendly: Even those who aren’t typically seafood fans will love the creamy texture and mild flavors.
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Ingredients for Creamy Seafood Casserole

This recipe combines classic ingredients for a rich, indulgent casserole.

  • 1 lb large shrimp, peeled and deveined
  • 1/2 lb bay scallops (or sea scallops, cut into smaller pieces)
  • 1/2 lb white fish fillets (such as cod, haddock, or tilapia), cut into chunks
  • 1/2 cup dry white wine (optional, for added depth of flavor)
  • 3 tablespoons butter
  • 3 tablespoons all-purpose flour
  • 1 1/2 cups whole milk
  • 1 cup heavy cream
  • 1/2 cup grated Parmesan cheese
  • 1/2 cup shredded mozzarella cheese
  • Salt and pepper, to taste
  • 1 teaspoon Old Bay seasoning (optional, for a touch of spice)
  • 1/2 cup panko breadcrumbs
  • 2 tablespoons fresh parsley, chopped, for garnish
  • Lemon wedges, for serving
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Optional Add-Ins

  • 1/2 cup frozen peas or corn kernels for added color and texture
  • Fresh herbs like dill or chives for extra flavor
  • 1/2 teaspoon garlic powder or onion powder for a deeper flavor profile

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Step-By-Step Instructions: Making the Ultimate Creamy Seafood Casserole

Preparation Time: 20 minutes

Cook Time: 30-35 minutes

Serves: 6


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Step 1: Prepare the Seafood

  1. Preheat Oven: Begin by preheating your oven to 375°F (190°C).
  2. Prep Seafood: Pat the shrimp, scallops, and fish dry with paper towels to remove excess moisture, which will help them cook evenly.
  3. Season Seafood: Season the seafood lightly with salt, pepper, and a pinch of Old Bay seasoning if using. Set aside.
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Step 2: Make the Creamy Sauce

  1. Melt Butter: In a large skillet or saucepan, melt the butter over medium heat until it’s bubbly.
  2. Add Flour: Sprinkle in the flour and whisk continuously for about 2 minutes, until the flour is fully incorporated and the mixture is smooth. This creates a roux, which thickens the sauce.
  3. Add Milk and Cream: Slowly pour in the milk and heavy cream, whisking constantly to prevent lumps from forming. Continue to cook, stirring occasionally, until the mixture thickens (about 5-7 minutes).
  4. Add Cheese and Seasoning: Stir in the Parmesan and mozzarella cheese, allowing them to melt into the sauce. Add salt, pepper, and any additional seasonings (like garlic powder or Old Bay) to taste.

This creamy, cheesy sauce will coat the seafood beautifully, adding richness and depth to the casserole.

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Step 3: Assemble the Casserole

  1. Combine Seafood and Sauce: Gently fold the seasoned seafood into the creamy sauce, ensuring all pieces are well-coated.
  2. Add Optional Vegetables: If using peas or corn, fold them into the mixture for added color and sweetness.
  3. Transfer to Baking Dish: Pour the seafood mixture into a greased 9×13-inch baking dish, spreading it out evenly.

Step 4: Prepare the Topping

  1. Mix Breadcrumbs: In a small bowl, combine the panko breadcrumbs with a pinch of salt and pepper. For extra flavor, you can add a tablespoon of melted butter or a sprinkle of Parmesan to the breadcrumbs.
  2. Sprinkle on Top: Evenly sprinkle the breadcrumb mixture over the casserole, creating a crispy topping that will bake to a golden-brown finish.
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Step 5: Bake the Casserole

  1. Bake: Place the casserole in the preheated oven and bake for 25-30 minutes, until the top is golden and the sauce is bubbly around the edges.
  2. Broil for Crispiness: For an extra-crispy topping, turn on the broiler for the last 2-3 minutes of baking, watching carefully to prevent burning.

Step 6: Garnish and Serve

  1. Cool Slightly: Allow the casserole to cool for 5 minutes before serving.
  2. Garnish: Sprinkle fresh parsley on top for a pop of color and serve with lemon wedges on the side for a hint of brightness.
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Tips for the Perfect Creamy Seafood Casserole

  1. Use Fresh or High-Quality Frozen Seafood: Fresh seafood enhances flavor and texture, but high-quality frozen options work well too. Just make sure to thaw and pat dry before using.
  2. Don’t Overcook the Seafood: The seafood will continue to cook in the oven, so avoid overcooking it before baking to keep it tender.
  3. Add Fresh Herbs for Flavor: Fresh parsley, dill, or chives complement the creamy sauce and add a touch of brightness.
  4. Broil for a Crispy Topping: For an extra layer of texture, broil the casserole for a few minutes before serving.

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Variations and Substitutions

One of the best things about casseroles is their versatility. Here are some ideas to make this seafood casserole uniquely yours:

  1. Make It Gluten-Free: Use gluten-free flour in the sauce and substitute gluten-free breadcrumbs for panko.
  2. Swap the Seafood: Try using crab, lobster, or a mix of shellfish for a luxurious twist.
  3. Add Vegetables: Include sautéed mushrooms, bell peppers, or spinach for added flavor and nutrients.
  4. Use Different Cheese: Swap out the Parmesan for Gruyère or add a little sharp cheddar for a deeper flavor.

Nutritional Benefits of Seafood Casserole

This dish is not only delicious but also offers several nutritional benefits:

  • Protein-Rich: The seafood provides high-quality protein, essential for muscle maintenance and growth.
  • Omega-3 Fatty Acids: Shrimp, scallops, and fish are excellent sources of omega-3 fatty acids, which support heart and brain health.
  • Vitamins and Minerals: Seafood is rich in vitamins B12, D, and selenium, which contribute to immune and bone health.
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Frequently Asked Questions (FAQ)

1. Can I make this casserole ahead of time?

Yes! Assemble the casserole, cover, and refrigerate for up to 24 hours. When ready to bake, let it sit at room temperature for 20 minutes and add a few extra minutes to the baking time.

2. What side dishes go well with seafood casserole?

Pair this casserole with a fresh green salad, crusty bread, or roasted vegetables for a balanced meal.

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3. Can I freeze leftovers?

Yes, you can freeze leftovers in an airtight container for up to 2 months. Thaw overnight in the refrigerator and reheat in the oven at 350°F until warmed through.

4. What wine pairs best with this dish?

A crisp white wine like Sauvignon Blanc or Chardonnay complements the creamy, savory flavors in the casserole.


Final Thoughts

This Creamy Seafood Casserole brings the essence of coastal cuisine to your home, combining delicate seafood with a luxurious, creamy sauce and a crisp, golden topping. It’s the perfect dish for any occasion—whether you’re hosting a dinner party or simply craving a comforting meal. Plus, it’s easy to customize and adjust to your tastes, making it a versatile addition to your recipe collection.

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Ready to Dive In?

Now that you have everything you need to make this creamy seafood casserole, gather your ingredients and enjoy the process of cooking this delightful dish. Serve it up with a squeeze of lemon, and let the rich, savory flavors transport you to the coast.

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