Creamy garlic shrimp bake topped with parsley in a white ceramic dish

Seafood Casserole

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Created on November 16th, 2025 at 11:14 am

A comforting blend of fresh seafood

Seafood casserole is a delightful dish that warms both the heart and the palate. This recipe brings together an array of fresh seafood, creamy sauce, and a crispy topping, creating a delightful harmony of flavors and textures. The blend of shrimp, scallops, and tender fish fillets creates a seafood medley that is both rich and satisfying. As it bakes, the aroma of the seafood infuses the air with a subtle brininess, inviting you to the table. The golden-brown crust offers a crunchy contrast to the creamy interior, providing a comforting experience with every spoonful.

Cheesy baked seafood casserole with scallops in a white dish, overlaid with bold recipe title and family favorite label

Why You’ll Love This Recipe

You’ll find that this seafood casserole is not just a treat but also a versatile staple. The creaminess of the sauce envelops the seafood, enhancing its natural sweetness while baking to perfection. Whether it’s a weeknight dinner or a special occasion, this dish is easy to prepare and perfect for sharing. It holds up well, making it even more enjoyable the next day when the flavors meld beautifully. Serve it alongside a garden salad or warm, crusty bread for a complete meal that is both comforting and satisfying.

Time Breakdown

Prep Time: 20 minutes
Cook Time: 40 minutes
Total Time: 1 hour
Servings: 6

Ingredients List

  • 1 lb (≈450 g) fresh shrimp, peeled and deveined
  • 1 lb (≈450 g) scallops, cleaned
  • 1 lb (≈450 g) white fish fillets (such as cod or haddock)
  • 2 cups heavy cream
  • 1 cup seafood stock
  • 1 medium onion, finely chopped
  • 3 cloves garlic, minced
  • 1 cup frozen peas
  • 1 cup shredded cheddar cheese
  • 1 cup breadcrumbs
  • 2 Tbsp butter
  • 1 Tbsp Worcestershire sauce
  • Salt & pepper, to taste
  • Optional: fresh parsley, chopped, for garnish

Kitchen Tools

This recipe brings simplicity to your cooking process, ensuring a stress-free experience. You need just a few essential tools to bring this seafood casserole to life.

  • Large mixing bowl
  • Baking dish (3-quart or similar)
  • Skillet
  • Wooden spoon
  • Whisk

Step-by-Step Instructions

  1. Preheat your oven to 350°F (175°C). This ensures that the casserole bakes evenly, creating a beautifully golden crust.
  2. In a skillet over medium heat, melt the butter. Add the chopped onion and minced garlic, cooking until fragrant and translucent, about 3-4 minutes.
  3. In a large mixing bowl, combine the heavy cream, seafood stock, Worcestershire sauce, salt, and pepper. Whisk thoroughly until well blended.
  4. Layer the shrimp, scallops, and fish fillets in the prepared baking dish. Gently pour the cream mixture over the seafood, ensuring it is well coated. Sprinkle the frozen peas on top.
  5. In a small bowl, mix the breadcrumbs with the shredded cheddar cheese. Evenly scatter the breadcrumb mixture over the seafood and cream for a crunchy topping.
  6. Bake in the preheated oven for 30-35 minutes, or until the seafood is cooked through and the top is golden and bubbly. Allow it to cool for a few minutes before serving.

Pro Tips

  • For added depth of flavor, consider sautéing some chopped mushrooms with the onions.
  • Substitute your favorite seafood or use what you have on hand for a personalized twist.
  • Let the casserole sit for a few minutes after baking for easier serving.
  • This dish pairs wonderfully with white wine, enhancing the seafood flavors.
  • It tastes even better the next day, making leftovers a delightful treat.

Seafood Comfort, Made Simple

This seafood casserole embodies the essence of comfort food, combining fresh ingredients with ease of preparation. Its creamy sauce envelops succulent seafood, creating a satisfying dish that warms the soul. Whether enjoyed fresh from the oven or reheated the next day, this casserole proves that wholesome comfort can come together effortlessly.

Nutrition Table

NutrientAmount (per serving)
Calories480 kcal
Protein35 g
Fat30 g
Carbohydrates20 g
Fiber2 g
Sugar3 g
Sodium600 mg

Disclaimer: Nutrition facts are estimated using online tools and may vary based on your ingredients and preparation. Please consult a nutritionist for precise dietary advice.

Creamy garlic shrimp bake topped with parsley in a white ceramic dish

Seafood Casserole

A smiling woman in a modern kitchen, wearing a brown apron, preparing a delicious dish with fresh ingredients.Sorrel Calver
A comforting blend of fresh seafood and creamy goodness that pleases both heart and palate.
Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Course Dinner, Main Course
Cuisine Seafood
Servings 6 servings
Calories 480 kcal

Ingredients
  

Seafood

  • 1 lb fresh shrimp, peeled and deveined
  • 1 lb scallops, cleaned
  • 1 lb white fish fillets (such as cod or haddock)

Creamy Sauce

  • 2 cups heavy cream
  • 1 cup seafood stock
  • 1 medium onion, finely chopped
  • 3 cloves garlic, minced
  • 1 cup frozen peas

Topping

  • 1 cup shredded cheddar cheese
  • 1 cup breadcrumbs
  • 2 Tbsp butter
  • 1 Tbsp Worcestershire sauce
  • Salt & pepper, to taste

Garnish (optional)

  • fresh parsley, chopped For garnish

Instructions
 

Preparation

  • Preheat your oven to 350°F (175°C).
  • In a skillet over medium heat, melt the butter. Add the chopped onion and minced garlic, cooking until fragrant and translucent, about 3-4 minutes.
  • In a large mixing bowl, combine the heavy cream, seafood stock, Worcestershire sauce, salt, and pepper. Whisk thoroughly until well blended.
  • Layer the shrimp, scallops, and fish fillets in the prepared baking dish. Gently pour the cream mixture over the seafood, ensuring it is well coated. Sprinkle the frozen peas on top.
  • In a small bowl, mix the breadcrumbs with the shredded cheddar cheese. Evenly scatter the breadcrumb mixture over the seafood and cream for a crunchy topping.

Baking

  • Bake in the preheated oven for 30-35 minutes, or until the seafood is cooked through and the top is golden and bubbly.
  • Allow it to cool for a few minutes before serving.

Notes

For added depth of flavor, consider sautéing some chopped mushrooms with the onions. Substitute your favorite seafood or use what you have on hand for a personalized twist. Let the casserole sit for a few minutes after baking for easier serving. This dish pairs wonderfully with white wine. It tastes even better the next day, making leftovers a delightful treat.
Keyword Baked Seafood, Casserole Recipe, Comfort Food, Creamy Seafood, Seafood Casserole

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