Crab and Shrimp Casserole

Crab and shrimp are a match made in seafood heaven, and what better way to savor their delicious flavors than in a hearty casserole? This Crab and Shrimp Casserole recipe is a delightful fusion of succulent seafood, aromatic vegetables, and creamy sauce, all baked to golden perfection. Whether you’re hosting a dinner party or craving a comforting homemade meal, this dish is sure to impress. Let’s dive into the details and learn how to create this culinary masterpiece!


  • 1 pound lump crabmeat
  • 1 pound large shrimp, peeled and deveined
  • 1 cup chopped onion
  • 1 cup chopped bell pepper
  • 1 cup chopped celery
  • 2 cloves garlic, minced
  • 1/4 cup butter
  • 1/4 cup all-purpose flour
  • 2 cups milk
  • 1 cup chicken broth
  • 1 teaspoon Old Bay seasoning
  • Salt and pepper to taste
  • 1 cup shredded cheddar cheese
  • 1 cup breadcrumbs
  • Chopped fresh parsley for garnish


  1. Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish and set aside.
  2. In a large skillet, melt the butter over medium heat. Add the chopped onion, bell pepper, celery, and garlic. Cook until the vegetables are softened, about 5-7 minutes.
  3. Stir in the flour and cook for another 2 minutes, stirring constantly.
  4. Gradually whisk in the milk and chicken broth until smooth. Cook, stirring constantly, until the mixture thickens, about 5 minutes.
  5. Season the sauce with Old Bay seasoning, salt, and pepper to taste.
  6. Gently fold in the lump crabmeat and shrimp, making sure they are evenly coated with the sauce.
  7. Transfer the mixture to the prepared baking dish and spread it out evenly.
  8. Sprinkle the shredded cheddar cheese over the top of the casserole, followed by the breadcrumbs.
  9. Bake in the preheated oven for 25-30 minutes, or until the casserole is bubbly and golden brown on top.
  10. Remove from the oven and let it cool for a few minutes before serving.
  11. Garnish with chopped fresh parsley before serving.

Serving and Storage Tips:

Serving Tips:

  1. Garnish with Fresh Herbs: Before serving, sprinkle some freshly chopped parsley over the casserole for a burst of color and flavor.
  2. Accompaniments: Serve the Crab and Shrimp Casserole with a side of crusty bread or over cooked rice to soak up the delicious sauce and complete the meal.
  3. Presentation: For an elegant presentation, divide the casserole into individual serving portions using a spatula or serving spoon.
  4. Pairing Suggestions: Complement the richness of the casserole with a light salad dressed in vinaigrette or steamed vegetables for a balanced meal.
  5. Family Style: If serving a larger group, place the baking dish in the center of the table and let everyone help themselves to generous portions.

Storage Tips:

  1. Refrigeration: Store any leftovers in an airtight container in the refrigerator for up to 2-3 days.
  2. Freezing: While this casserole can be frozen, the texture of the seafood may slightly change upon thawing. If freezing, ensure it’s tightly wrapped or stored in an airtight container for up to 1-2 months.
  3. Reheating: To reheat, gently warm the casserole in a preheated oven at 350°F (175°C) until heated through, or microwave individual portions for a quick meal.
  4. Refreshing Flavor: Add a splash of chicken broth or milk when reheating to refresh the flavors and maintain the creamy consistency.
  5. Best Practices: For optimal taste and texture, consume reheated leftovers within 1-2 days of refrigeration.


  1. Spicy Kick: For a bit of heat, add a dash of hot sauce or red pepper flakes to the sauce mixture before baking.
  2. Cheese Lover’s Delight: Experiment with different types of cheese such as Gruyère, mozzarella, or Monterey Jack for a unique flavor twist.
  3. Herb Infusion: Enhance the herbaceous notes by incorporating fresh or dried herbs like thyme, basil, or dill into the sauce.
  4. Creamy Twist: Substitute some of the milk with heavy cream or half-and-half for an even creamier texture.
  5. Seafood Medley: Mix and match seafood varieties such as scallops, lobster, or even chunks of white fish for a diverse and luxurious casserole experience.
  6. Vegetarian Option: Replace the seafood with chunks of artichoke hearts, mushrooms, or diced zucchini for a flavorful vegetarian alternative.
  7. Cajun Flavors: Infuse the dish with Cajun seasoning or Creole seasoning for a Southern-inspired flavor profile.
  8. Gluten-Free Option: Use gluten-free breadcrumbs and a gluten-free flour blend in the sauce to make the dish suitable for those with gluten sensitivities.
  9. Low-Carb Variation: Replace the breadcrumbs with a crushed pork rind topping or omit them altogether for a lower-carb version of the casserole.
  10. Coconut Twist: Substitute coconut milk for the dairy milk and add shredded coconut to the topping for a tropical flair.

FAQs :

  1. Can I use frozen seafood for this recipe?
    • Yes, you can use frozen crabmeat and shrimp for convenience. Just make sure to thaw them thoroughly before incorporating into the casserole.
  2. Can I prepare this dish ahead of time?
    • Absolutely! You can assemble the casserole up to a day in advance and store it covered in the refrigerator. Simply bake it when ready to serve.
  3. Can I omit the breadcrumbs for a gluten-free option?
    • Yes, you can omit the breadcrumbs or use a gluten-free alternative such as crushed gluten-free crackers or almond meal.
  4. Is it possible to make this casserole without dairy?
    • Certainly! You can use a dairy-free milk substitute like almond milk or coconut milk and dairy-free butter to create a lactose-free version of the dish.
  5. Can I freeze leftovers of this casserole?
    • Yes, you can freeze the cooked casserole for up to 1-2 months. However, keep in mind that the texture of the seafood may slightly change upon thawing.
  6. What can I serve as side dishes with this casserole?
    • This casserole pairs well with a variety of side dishes such as steamed vegetables, salad, garlic bread, or roasted potatoes.
  7. Can I use imitation crabmeat instead of lump crabmeat?
    • While you can use imitation crabmeat, keep in mind that it will alter the flavor and texture of the dish compared to using real lump crabmeat.
  8. Can I adjust the level of spiciness in this recipe?
    • Absolutely! Feel free to adjust the amount of Old Bay seasoning or add additional spices like cayenne pepper to suit your preferred level of spiciness.
  9. How can I prevent the casserole from drying out during baking?
    • Make sure not to overcook the casserole, and if needed, cover it with foil halfway through baking to prevent excessive browning.

Indulge in the luxurious flavors of the sea with this delectable Crab and Shrimp Casserole. With its creamy texture, savory seafood, and aromatic seasonings, this dish is a guaranteed crowd-pleaser. Whether enjoyed as a family dinner or a special occasion feast, this recipe promises to elevate your culinary experience to new heights. Try it today and treat yourself to a taste sensation like no other!