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creamy seafood casserole

Posted on October 15, 2025 by Admin
Here’s a rich and comforting Creamy Seafood Casserole recipe — packed with tender seafood, a creamy garlic-Parmesan sauce, and topped with golden breadcrumbs. It’s great for a cozy family dinner, holidays, or when you want to impress without too much effort.


🦐 Creamy Seafood Casserole

🍽️ Serves: 6

⏲️ Total Time: ~45 minutes


🛒 Ingredients:

For the Casserole:

  • 1/2 lb shrimp, peeled and deveined

  • 1/2 lb scallops (bay or sea, cut in half if large)

  • 1/2 lb white fish, like cod or haddock, cut into chunks

  • Optional: 1/2 cup imitation crab or real lump crabmeat

  • 3 tablespoons butter

  • 2 cloves garlic, minced

  • 1 small onion, finely chopped

  • 1/4 cup all-purpose flour

  • 1 1/2 cups milk

  • 1/2 cup heavy cream

  • 1/2 cup grated Parmesan cheese

  • 1/2 teaspoon Old Bay seasoning (or paprika + celery salt)

  • Salt and pepper, to taste

  • Juice of 1/2 lemon

For the Topping:

  • 1/2 cup breadcrumbs (Panko or regular)

  • 2 tablespoons butter, melted

  • 1 tablespoon fresh parsley, chopped (optional)


👨‍🍳 Instructions:

1. Preheat oven to 375°F (190°C).

Grease a 9×9-inch (or similar) casserole dish.


2. Sauté the Base:

  • In a large skillet, melt 3 tbsp butter over medium heat.

  • Add onion and garlic; sauté until soft (about 3–4 minutes).


3. Make the Cream Sauce:

  • Sprinkle in flour and cook for 1 minute, stirring constantly.

  • Gradually whisk in milk and cream, stirring until thickened (about 3–5 minutes).

  • Stir in Parmesan cheese, Old Bay, salt, pepper, and lemon juice.

  • Simmer on low for 1–2 minutes.


4. Add the Seafood:

  • Gently fold in shrimp, scallops, fish (and crab if using).
    (Seafood will finish cooking in the oven.)


5. Assemble the Casserole:

  • Pour the seafood and sauce mixture into the prepared dish.

  • In a small bowl, mix breadcrumbs with melted butter and sprinkle evenly over the top.


6. Bake:

  • Bake uncovered for 20–25 minutes, or until hot, bubbly, and topping is golden.

  • Broil for the last 1–2 minutes if you want extra crisp on top.


✅ To Serve:

  • Garnish with chopped parsley and serve with:

    • Buttered rice, angel hair pasta, or mashed potatoes

    • A green salad or steamed veggies

    • Warm dinner rolls or crusty bread


💡 Tips & Variations:

  • Use all shrimp if you prefer one type of seafood.

  • Add sautéed mushrooms, spinach, or peas for extra texture.

  • Sub milk + cream with half-and-half for a lighter version.


Would you like a low-carb, gluten-free, or make-ahead freezer version?

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