Seafood Casserole with Haddock, Scallops, and Shrimp in Creamy Swiss Cheese Sauce Recipe
Introduction
This seafood casserole is a simple, comforting dish that combines tender haddock, scallops, and shrimp in a creamy, cheesy sauce. It’s perfect for a weeknight dinner or a special occasion when you want something elegant yet easy to prepare.

Ingredients
- 8 oz haddock (cleaned and skinned)
- 1 lb scallops
- 1 lb large shrimp (cleaned and deveined)
- 3-4 garlic cloves (minced)
- 1/2 cup heavy cream (up to 3/4 cup if preferred)
- 1/2 cup shredded Swiss cheese
- 2 tablespoons grated Parmesan
- Paprika
- Sea salt and pepper
Instructions
- Step 1: Preheat your oven to 375 degrees F.
- Step 2: Lightly spray a 7 x 11-inch glass or ceramic baking dish with cooking spray.
- Step 3: Cut the haddock into chunks about 1 1/2 inches in size and place them in the baking dish. Add the shrimp and scallops, then season with salt and pepper to taste.
- Step 4: Sprinkle the minced garlic evenly over the fish and shrimp mixture.
- Step 5: Pour the heavy cream over the seafood, then add the shredded Swiss cheese on top.
- Step 6: Sprinkle paprika and grated Parmesan cheese over everything, then bake for 15-20 minutes. Be careful not to overbake to keep the shrimp tender and prevent overcooking.
Tips & Variations
- Use fresh seafood for the best flavor, or thaw thoroughly if using frozen. You can substitute gouda or mozzarella for Swiss cheese for a different taste.
Storage
Store leftover casserole in an airtight container in the refrigerator for up to 2 days. Reheat gently in the oven or microwave, adding a splash of cream to keep it moist.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use other types of fish in this casserole?
Yes, firm white fish like cod or halibut work well as substitutes for haddock.
How do I prevent the shrimp from becoming rubbery?
Keep the baking time short and avoid overcooking. The casserole should be baked just until the shrimp turn pink and opaque.
PrintSeafood Casserole with Haddock, Scallops, and Shrimp in Creamy Swiss Cheese Sauce Recipe
This creamy and flavorful Seafood Casserole combines tender haddock, succulent scallops, and juicy shrimp baked in a luscious garlic and cheese-infused cream sauce. Perfectly seasoned with Swiss and Parmesan cheeses, paprika, and fresh garlic, this oven-baked dish is a comforting yet elegant meal ideal for seafood lovers seeking a quick and delicious dinner option.
- Prep Time: 10 minutes
- Cook Time: 15-20 minutes
- Total Time: 25-30 minutes
- Yield: 4 servings 1x
- Category: Main Dish
- Method: Baking
- Cuisine: American
Ingredients
Seafood
- 8 oz haddock, cleaned and skinned, cut into 1 1/2 inch chunks
- 1 lb scallops
- 1 lb large shrimp, cleaned and deveined
Seasonings & Cheese
- 3–4 garlic cloves, minced
- 1/2 cup heavy cream (can use up to 3/4 cup if desired)
- 1/2 cup shredded Swiss cheese
- 2 tbsp grated Parmesan cheese
- Paprika, to taste
- Sea salt and pepper, to taste
Other
- Cooking spray for greasing baking dish
Instructions
- Preheat Oven: Preheat your oven to 375°F (190°C) to prepare for baking the seafood casserole.
- Prepare Baking Dish: Lightly spray a 7 x 11 inch glass or ceramic baking dish with cooking spray to prevent sticking.
- Arrange Seafood: Place the chopped haddock chunks evenly in the baking dish, then add the cleaned shrimp and scallops on top. Season with sea salt and freshly ground black pepper to taste.
- Add Garlic: Sprinkle the minced garlic evenly over the seafood, allowing its aroma to infuse the dish.
- Add Cream and Cheese: Pour 1/2 cup of heavy cream over the seafood mixture, then sprinkle the shredded Swiss cheese evenly on top for a rich and creamy base.
- Season and Top: Lightly dust the surface with paprika for a hint of color and flavor, then sprinkle the grated Parmesan cheese on top to add a savory crust during baking.
- Bake: Place the dish in the preheated oven and bake for 15 to 20 minutes. Monitor closely to avoid overcooking, especially the shrimp, which can become tough if baked too long.
- Serve: Remove from the oven once the cheese is melted and bubbly and the seafood is cooked through but still tender. Serve warm immediately.
Notes
- Ensure the haddock is well cleaned and skinned before use for the best texture.
- Fresh or frozen scallops and shrimp can be used; ensure they are fully thawed and patted dry before cooking.
- Do not overbake to prevent the shrimp from becoming rubbery.
- Adjust cream quantity slightly for preferred sauce thickness.
Keywords: seafood casserole, baked seafood, haddock recipe, scallops dish, shrimp casserole, creamy seafood bake

