If you are craving a comforting dish that bursts with the fresh flavors of the sea, this Crab and Shrimp Casserole Recipe is exactly what you need. Imagine tender lump crabmeat and plump shrimp enveloped in a creamy, cheesy sauce, lightly spiced with Old Bay seasoning, and topped with a perfectly golden, crunchy breadcrumb crust. This casserole is not only a celebration of seafood but also a warm, satisfying meal that invites you to savor each bite. Whether it’s a special occasion or a cozy weeknight treat, this recipe brings together simple ingredients to create a dish that feels elegant yet effortlessly delicious.
Ingredients You’ll Need
The magic of this Crab and Shrimp Casserole Recipe lies in its humble but flavorful ingredients. Each one plays a key role—from the sweetness of fresh seafood to the creamy richness of the sauce and the crunch of the topping, these ingredients come together to create layers of texture and taste that will wow your palate.
- 1 pound lump crabmeat: Use fresh or high-quality canned crab to get big, juicy bites of sweetness in every forkful.
- 1 pound large shrimp, peeled and deveined: Adds a tender, slightly sweet seafood flavor that pairs beautifully with crab.
- 1 cup chopped onion: Provides a subtle aromatic sweetness that builds the casserole’s base flavor.
- 1 cup chopped bell pepper: Offers a mild crunch and vibrant color for visual appeal and texture contrast.
- 1 cup chopped celery: Adds a refreshing bite and depth to the vegetable medley.
- 2 cloves garlic, minced: Brings a fragrant warmth and savoriness that enhances the seafood.
- 1/4 cup butter: The rich fat that starts your sauce and softens your vegetables perfectly.
- 1/4 cup all-purpose flour: Thickens the creamy sauce that binds all elements together smoothly.
- 2 cups milk: Creates a luscious, velvety base for the casserole’s sauce.
- 1 cup chicken broth: Adds savory depth without overpowering the seafood’s delicate flavors.
- 1 teaspoon Old Bay seasoning: The classic spice blend that gives this recipe its distinct, irresistible coastal twist.
- Salt and pepper to taste: Enhances all the natural flavors, balancing the seasoning exactly right.
- 1 cup shredded cheddar cheese: Melts into the sauce providing gooey richness and a slightly sharp tang.
- 1 cup breadcrumbs: Creates a golden, crunchy topping that seals in those creamy layers beneath.
- Chopped fresh parsley for garnish: Adds a fresh, herbal lift and a pop of color before serving.
How to Make Crab and Shrimp Casserole Recipe
Step 1: Prepare Your Oven and Baking Dish
Start by preheating your oven to a steady 375°F (190°C). While it’s warming up, grease a 9×13-inch baking dish generously to ensure that your casserole won’t stick and will slide out effortlessly once it’s baked to bubbly perfection.
Step 2: Sauté the Aromatics
In a large skillet, melt the butter and add the chopped onion, bell pepper, celery, and minced garlic. Cook over medium heat, stirring occasionally until all the vegetables are softened and release their sweet aromas. This soft veggie base forms the backbone of flavor for your casserole.
Step 3: Make the Creamy Sauce
Sprinkle the flour evenly over your softened veggies, stirring constantly to cook the flour and get rid of any raw taste. Slowly whisk in the milk and chicken broth, making sure to keep the potion smooth and lump-free. Continue cooking this mixture until it thickens into a velvety sauce that clings beautifully to the spoon.
Step 4: Season and Add Seafood
Now it’s time to bring in that irresistible Old Bay seasoning with a pinch of salt and pepper for perfect balance. Gently fold in the tender lump crabmeat and shrimp, being careful not to break up the crab lumps too much. This step layers the sauce with generous amounts of seafood, ensuring every bite has plenty of flavor and texture.
Step 5: Assemble and Top
Transfer your lobster and shrimp mixture into the prepared baking dish. Sprinkle the shredded cheddar cheese evenly over the top, then finish with a generous layer of breadcrumbs. This topping will crisp up in the oven, creating the perfect contrast to the creamy filling beneath.
Step 6: Bake Until Golden and Bubbly
Place your casserole in the oven and bake for about 25 to 30 minutes. You’re looking for a bubbling interior and a golden-brown crust that signals the dish is ready to be enjoyed. The aroma alone will have everyone eagerly gathering at the table.
How to Serve Crab and Shrimp Casserole Recipe
Garnishes
Once out of the oven, sprinkle chopped fresh parsley over the top. Not only does this add a lovely burst of green color, but the fresh herb aroma also brightens up the rich, creamy casserole. A few lemon wedges on the side can add a delightful citrus zing if you want an extra fresh touch.
Side Dishes
This casserole pairs wonderfully with light, crisp sides to balance its richness. Consider serving it alongside a green salad with a tangy vinaigrette, roasted asparagus, or even buttery garlic bread to soak up all the delicious sauce left on the plate.
Creative Ways to Present
For a show-stopping presentation, scoop the casserole into individual ramekins or shallow bowls before baking. This makes for elegant single servings perfect for guests. You can also add a sprinkle of paprika on top of the breadcrumbs for a subtle smoky color contrast that amps up visual appeal.
Make Ahead and Storage
Storing Leftovers
If you find yourself lucky enough to have leftovers, place the casserole in an airtight container and store it in the refrigerator. It will stay fresh for 2 to 3 days, giving you a quick, tasty meal on a busy day that heats up beautifully without losing flavor.
Freezing
You can freeze this casserole before baking by assembling it in a freezer-safe dish, wrapping it tightly with foil and plastic wrap. Frozen, it will last up to 2 months. When you’re ready to enjoy it, thaw in the refrigerator overnight before baking as usual.
Reheating
Reheat leftovers in a preheated oven at 350°F (175°C) until hot and bubbly, about 20 minutes. This helps maintain the crispy topping and creamy interior perfectly. Microwaving works in a pinch but can make the topping lose its crunch.
FAQs
Can I use frozen shrimp or crab meat for this recipe?
Absolutely! Just make sure to thaw them completely and pat dry to avoid excess moisture, which can make the casserole watery.
Is Old Bay seasoning necessary?
While not absolutely mandatory, Old Bay adds a signature blend of spices that elevates the seafood flavors beautifully. If you don’t have it, a mix of paprika, celery salt, and cayenne pepper can be a good substitute.
Can I substitute the cheddar cheese with something else?
Yes, feel free to use other cheeses like Monterey Jack or Gruyère for a different flavor profile. Just choose a cheese that melts well to keep that creamy texture.
How do I know when the casserole is done?
Look for a bubbly sauce around the edges and a golden crust formed by the breadcrumbs. The entire dish should be heated through and fragrant.
Can I add other seafood to the casserole?
Definitely! This recipe is versatile—scallops or crab claws work great and can be mixed in to add even more variety.
Final Thoughts
This Crab and Shrimp Casserole Recipe is one of those dishes that feels like a warm hug from the sea. Its combination of creamy sauce, tender shellfish, and golden crust is effortlessly impressive and incredibly satisfying. I genuinely hope you try making this at home because it’s perfect for sharing with family or impressing dinner guests. Trust me, once you take that first bite, this casserole will have a permanent spot in your heart and your recipe box.
Print
Crab and Shrimp Casserole Recipe
- Total Time: 50 minutes
- Yield: 6 servings 1x
Description
This Crab and Shrimp Casserole is a rich and creamy seafood dish combining succulent lump crabmeat and large shrimp with a savory vegetable base and a cheesy breadcrumb topping. Perfectly baked to golden bubbly perfection, it offers a delightful blend of flavors enhanced by Old Bay seasoning and fresh parsley garnish. Ideal for a comforting family meal or special occasion.
Ingredients
Seafood
- 1 pound lump crabmeat
- 1 pound large shrimp, peeled and deveined
Vegetables
- 1 cup chopped onion
- 1 cup chopped bell pepper
- 1 cup chopped celery
- 2 cloves garlic, minced
Base and Sauce
- 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
Topping and Garnish
- 1 cup shredded cheddar cheese
- 1 cup breadcrumbs
- Chopped fresh parsley for garnish
Instructions
- Preheat and Prepare Baking Dish: Preheat your oven to 375°F (190°C) and grease a 9×13-inch baking dish to prevent sticking and ease cleanup.
- Sauté Vegetables: In a skillet, melt the butter and sauté the chopped onion, bell pepper, celery, and minced garlic until they become soft and fragrant, which brings out their natural sweetness.
- Make the Sauce: Stir the all-purpose flour into the sautéed vegetables to create a roux. Gradually whisk in the milk and chicken broth, continuing to cook and stir until the mixture thickens into a smooth, creamy sauce.
- Season and Combine Seafood: Add Old Bay seasoning along with salt and pepper to taste. Gently fold in the lump crabmeat and peeled shrimp, ensuring the seafood is well coated with the sauce mixture without breaking it up.
- Transfer and Top: Pour the seafood mixture into the prepared baking dish. Evenly sprinkle shredded cheddar cheese followed by the breadcrumbs over the top to create a flavorful crust.
- Bake: Place the baking dish in the preheated oven and bake for 25-30 minutes until the casserole is bubbly and the topping is golden brown and crisp.
- Garnish and Serve: Remove from oven and garnish with freshly chopped parsley before serving hot, offering a fresh and colorful finish.
Notes
- Use fresh seafood for best flavor and texture; frozen can be used but thaw thoroughly and drain well.
- Old Bay seasoning adds a classic touch but can be adjusted according to your spice preference.
- For a lower-carb option, substitute breadcrumbs with crushed pork rinds or omit entirely.
- Make sure the sauce thickens adequately to prevent the casserole from being too runny.
- Allow the casserole to rest for 5-10 minutes after baking for easier serving and better flavor melding.
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Category: Main Course
- Method: Baking
- Cuisine: American
