Description
This Easy Seafood Casserole is a perfect comfort food for seafood lovers. Packed with shrimp, scallops, and crab, this casserole is rich, creamy, and topped with a golden, cheesy breadcrumb crust. Ready in under 30 minutes, it’s an ideal dish for busy weeknights, family gatherings, or whenever you're craving a hearty seafood meal. Plus, it’s customizable—add your favorite seafood, veggies, or even a crunchy topping for added texture. A one-pan wonder that’s both easy and indulgent!
Ingredients
For the Casserole:
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1 lb mixed seafood (shrimp, scallops, crab meat, or any seafood of choice)
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1 cup cooked rice (white or brown)
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1 cup heavy cream
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1/2 cup grated Parmesan cheese
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1/2 cup shredded cheddar cheese
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1/2 cup breadcrumbs (for topping)
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2 tbsp butter, melted
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1/2 cup diced onion
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1/2 cup diced celery
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2 cloves garlic, minced
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1/2 tsp dried thyme
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Salt and pepper to taste
For the Sauce:
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1 can (10.5 oz) cream of mushroom soup (or homemade version)
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1 tbsp Dijon mustard
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1 tbsp lemon juice
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1/4 cup white wine (optional for extra flavor)
Substitutions:
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Dairy-Free: Use coconut cream and dairy-free cheese for a dairy-free casserole.
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Rice-Free: Substitute rice with quinoa, cauliflower rice, or gluten-free pasta.
Instructions
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Preheat the oven
Preheat your oven to 375°F (190°C). -
Cook the seafood
In a large skillet, sauté the mixed seafood over medium heat for 3–4 minutes until just cooked through. Set aside. -
Prepare the sauce
In a separate pan, melt butter over medium heat and add diced onion, celery, and garlic. Sauté for 2-3 minutes until softened. Add the cream of mushroom soup, white wine, Dijon mustard, lemon juice, and dried thyme. Let it simmer for 5 minutes until the sauce thickens. Season with salt and pepper to taste. -
Combine seafood and rice
In a large bowl, combine the cooked rice, seafood, and the prepared sauce. Stir until everything is well coated. -
Assemble the casserole
Pour the seafood mixture into a greased 9x13-inch baking dish. -
Add cheese and breadcrumbs
Sprinkle the shredded cheddar cheese and grated Parmesan over the casserole. Top with breadcrumbs and drizzle with melted butter. -
Bake
Bake for 20-25 minutes or until the casserole is bubbly and the top is golden brown. -
Serve
Let the casserole cool for a few minutes before serving. Garnish with fresh parsley or a squeeze of lemon if desired. Enjoy!
Notes
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Storage: Store leftovers in an airtight container in the fridge for up to 3 days. Reheat in the oven at 350°F for 10–15 minutes or microwave for 1-2 minutes.
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Make-Ahead: You can prepare the casserole a day in advance, refrigerate it, and bake it the next day.
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Variations: Add some veggies like peas, spinach, or bell peppers for extra flavor and color.
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Crunchy Top: For an extra crunchy topping, mix some Parmesan cheese with the breadcrumbs before sprinkling on top.
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Category: Dinner, Comfort Food, Seafood
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving (out of 6)
- Calories: 450kcal
- Sugar: 2g
- Sodium: 700mg
- Fat: 25g
- Carbohydrates: 35g
- Fiber: 2g
- Protein: 28g
- Cholesterol: 85mg
Keywords: seafood casserole, shrimp casserole, easy seafood recipe, creamy seafood casserole, baked seafood dish