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As I ripped open a chilled wine and prepared for another cozy night in, a sudden thought struck me: there’s nothing quite like a warm, creamy seafood casserole to wrap yourself in after a long day. This Creamy Seafood Casserole with Shrimp and Imitation Crab is a heartwarming dish that expertly combines tender shrimp and savory crab in a blanket of rich sauce, making it a must-try for any seafood lover. One of the best perks? It’s quick to whip up, allowing you to delight your family or friends without the fuss of complicated recipes. Plus, it’s completely customizable—swap in your favorite seafood or veggies for a personal touch. Curious about how to make this comforting masterpiece? Let’s dive in!

Why is seafood casserole so appealing?

Comforting and Hearty: This dish combines tender shrimp and delicate crab, wrapped in a rich, creamy sauce that warms your soul.

Customizable to You: Swap in your favorite seafood or vegetables, making it easy to tailor to your family’s preferences—the possibilities are endless!

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Quick to Prepare: With just a few simple steps, you’ll have a delicious family dinner ready in no time.

Crowd-Pleasing Flavor: Its savory richness is sure to impress guests, making this casserole an excellent choice for gatherings.

Perfect Texture: The contrast between the creamy filling and crispy breadcrumb topping creates a delightful dining experience.

Whether you’re looking to impress at dinner parties or just treating yourself to a cozy night in, this creamy seafood casserole is sure to become a staple in your home.

Seafood Casserole Ingredients

  • For the Base
    Long Grain and Wild Rice – Provides the foundational texture with a hint of nuttiness.
    Frozen Crabmeat – Sweet and delicate, this is the star of your seafood casserole.
    Cooked Shrimp – Adds richness; fresh raw shrimp can be used with careful cooking adjustments.

  • For the Vegetables
    Celery – Brings crunch and freshness; substitute with diced zucchini if desired.
    Onion – A key ingredient that adds sweetness; make sure to chop finely for even cooking.
    Green Pepper – Introduces color and a hint of bitterness; swap for red or yellow for extra sweetness.
    Canned Mushroom Stems and Pieces – Boosts umami flavor; fresh mushrooms are a delightful alternative.
    Diced Pimientos – Brightens the dish with mild sweetness; can be replaced with roasted red peppers if you prefer.

  • For the Sauce
    Mayonnaise – Ensures creaminess and binds the ingredients; or use a creamy soup to achieve a similar effect.
    2% Milk – Thin out the sauce without compromising creaminess; consider using half and half for richness.
    Pepper – A simple seasoning to elevate flavor; feel free to adjust based on your taste.
    Worcestershire Sauce – Adds depth; soy sauce can be a tasty substitute for a different flavor profile.

  • For the Crunchy Topping
    Dry Bread Crumbs – Creates a pleasing crunch on top; crushed crackers can also work beautifully.

Dive into this delicious seafood casserole easy enough for weeknight dinners and special enough for gatherings!

Step‑by‑Step Instructions for Creamy Seafood Casserole with Shrimp and Imitation Crab

Step 1: Prepare the Rice
Start by cooking the long grain and wild rice according to the package instructions, which typically takes around 25-30 minutes. While the rice is cooking, preheat your oven to 375°F (190°C). This will ensure the casserole bakes evenly once you’re ready to combine all the delicious ingredients.

Step 2: Mix Ingredients
In a large mixing bowl, combine the frozen crabmeat, cooked shrimp, chopped celery, finely diced onion, green pepper, canned mushroom stems, and diced pimientos. Stir well to incorporate all the flavors, ensuring the seafood and vegetables are evenly distributed. The mixture should have a colorful appearance, showcasing the variety of textures and ingredients in your seafood casserole.

Step 3: Create the Sauce
In a separate bowl, whisk together mayonnaise, 2% milk, pepper, and Worcestershire sauce until smooth. This creamy sauce will enhance the flavors of your seafood and bind the ingredients together beautifully. Aim for a velvety consistency, as this will lend richness to your seafood casserole.

Step 4: Combine Ingredients
Gently fold the creamy sauce into the seafood mixture, ensuring everything is well coated. Then, add the cooked rice, folding it in carefully to maintain the integrity of the seafood. This step will blend all the flavors together, making your creamy seafood casserole even more delightful.

Step 5: Transfer and Top
Pour the combined mixture into a greased 13×9-inch baking dish, spreading it evenly to create a level surface. Next, sprinkle dry breadcrumbs generously on top, ensuring every corner is covered. This crunchy topping will add texture and contrast beautifully to the rich filling beneath it.

Step 6: Bake
Place the baking dish in the preheated oven and bake uncovered for 40-50 minutes. Keep an eye on it; the casserole should be bubbling around the edges and have a lovely golden-brown crust on top when it’s done. The aromas will fill your kitchen, creating an inviting atmosphere for your family and guests.

How to Store and Freeze Seafood Casserole

  • Room Temperature: Leftover seafood casserole should not be left at room temperature for more than 2 hours to ensure freshness and prevent spoilage.

  • Fridge: Store any leftovers in an airtight container for up to 2 days. When ready to eat, simply reheat in the microwave or oven until heated through.

  • Freezer: For longer preservation, freeze the seafood casserole in a tightly sealed container for up to 3 months. Consider portioning into smaller amounts for easy reheating.

  • Reheating: When ready to enjoy your frozen seafood casserole, thaw in the refrigerator overnight and reheat in the oven at 350°F (175°C) until hot and bubbly.

Make Ahead Options

These Creamy Seafood Casseroles are perfect for busy weeknights! You can prepare the entire casserole up to 24 hours in advance. Begin by cooking the rice and mixing the seafood with the vegetables and sauce. Once combined, transfer everything to your greased baking dish, but hold off on adding the breadcrumbs until just before baking to maintain their crunch. Cover the dish tightly with foil or plastic wrap and refrigerate. When you’re ready to enjoy your meal, simply sprinkle the breadcrumbs on top and bake it directly from the fridge for about 50-60 minutes, ensuring it’s heated through and bubbly. This way, your casserole will be just as delicious and comforting, saving you valuable time in the kitchen!

Seafood Casserole Variations & Substitutions

Feel free to personalize your creamy seafood casserole and make it uniquely yours with these fun variations!

  • Dairy-Free: Substitute mayonnaise and milk with coconut milk and dairy-free mayonnaise for a lighter, creamier option.

  • Meat-Free: Use tofu or tempeh as a protein replacement for the crab and shrimp; they’ll soak up the flavors beautifully.

  • Flavorful Boost: Add a tablespoon of Old Bay seasoning to the seafood mix for that classic seafood flavor everyone loves.

  • Vegetable Medley: Toss in chopped spinach, peas, or artichoke hearts to enhance the dish’s nutrient profile and add more color.

  • Spicy Kick: Spice things up a notch by incorporating diced jalapeños or a pinch of red pepper flakes to the vegetable mix.

  • Zesty Twist: Squeeze fresh lemon juice over the top before serving to brighten the flavors; a refreshing touch that ties everything together.

  • Crunchy Topping: Swap bread crumbs for fried onions or crushed tortilla chips for an exciting crunch and a twist on texture.

  • Seafood Symphony: Mix in some cooked lobster or crab legs for a luxurious seafood experience that your friends and family will adore.

Each of these variations can help you create a dish everyone will enjoy while using what you have on hand. Dive into your pantry and have fun with the ingredients! For more ways to elevate your cooking, consider checking out our guide on creative seafood recipes or learn about simple ingredients swaps to customize your dishes.

What to Serve with Creamy Seafood Casserole with Shrimp and Imitation Crab

Indulging in this rich and creamy creation makes it essential to pair it with delightful accompaniments that enhance your dining experience.

  • Garlic Bread: Perfect for sopping up every delicious bite, its crunch adds warmth to the meal. A spread of herbed butter can elevate it further.

  • Fresh Green Salad: A crisp salad with mixed greens and a light vinaigrette balances the casserole’s richness, boasting bright flavors that refresh the palate. Add some cherry tomatoes for a pop of color!

  • Roasted Asparagus: Lightly seasoned and drizzled with olive oil, the tender crunch of asparagus complements the soft, creamy texture of the casserole.

  • Steamed Broccoli: Providing a gorgeous green contrast, the slight bitterness of broccoli enhances the sweetness of the seafood while adding vital nutrients.

  • Coleslaw: A zesty slaw with a tangy dressing pairs beautifully to contrast the creamy dish, adding a refreshing crunch that enhances every bite.

  • Chardonnay: A chilled glass of this white wine matches the dish’s flavors perfectly, bringing out the nuances of the seafood while offering a touch of acidity.

Each of these accompaniments will make your seafood casserole not just a meal, but a memorable culinary experience. Enjoy!

Expert Tips for Creamy Seafood Casserole

  • Perfect Shrimp Texture: Avoid overcooking shrimp; they should be just heated through to maintain tenderness in your seafood casserole.

  • Prevent Runny Casserole: Consider substituting some or all mayonnaise with condensed soup to achieve a thicker consistency while enhancing flavor.

  • Seafood Variety: Feel free to experiment! Quick-cooking seafood like scallops or clams can be delicious additions, adding richness to your dish.

  • Cooling Time: Allow the casserole to sit for a few minutes after baking; this allows it to set and makes serving easier while enhancing the flavors.

  • Customize Ingredients: Use whatever seafood and vegetables you have on hand to create a version of this creamy seafood casserole that suits your family’s tastes.

Creamy Seafood Casserole with Shrimp and Imitation Crab Recipe FAQs

What type of seafood should I use for the casserole?
Absolutely! You can get creative with seafood selections. While shrimp and imitation crab are excellent choices, feel free to substitute with scallops, clams, or even fish like cod or haddock. Just remember that quick-cooking varieties work best to keep the casserole from becoming overcooked.

How long can I store leftover seafood casserole?
Leftovers can be stored in an airtight container in the fridge for up to 2 days. I often recommend reheating gently to preserve the texture, either in the microwave or oven until heated through.

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Can I freeze the creamy seafood casserole?
Very much so! To freeze, transfer the casserole into a tightly sealed container or freezer-safe dish. It will maintain its best quality for about 3 months. For easy reheating, consider portioning it into smaller containers.

How do I know if my seafood is fresh enough to use?
When selecting seafood, look for freshness—shrimp should have a translucent appearance and a mild ocean scent, while crabmeat should be sweet and crab-like without any off odors. Avoid any seafood with dark spots or a strong fishy smell.

Can I make this recipe allergy-friendly?
Of course! For those with shellfish allergies, you can easily replace the seafood with cooked chicken or a mix of vegetables. If you’re avoiding dairy, swap mayonnaise for a dairy-free alternative or a mixture of tahini and water for creaminess.

What should I do if my casserole looks too runny?
If your casserole ends up being too runny, a good fix is to incorporate a thickening agent. Try stirring in a spoonful of cornstarch mixed with a bit of water or substitute some of the mayonnaise with condensed soup. Baking uncovered can also help firm it up!

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Creamy Seafood Casserole That Will Wow Your Family

A heartwarming creamy seafood casserole with shrimp and crab, perfect for family dinners and gatherings.
Prep Time 15 minutes
Cook Time 50 minutes
Cooling Time 5 minutes
Total Time 1 hour 10 minutes
Servings: 6 servings
Course: Casserole
Cuisine: Seafood
Calories: 350

Ingredients
  

For the Base
  • 1 cup Long Grain and Wild Rice
  • 8 oz Frozen Crabmeat
  • 1 lb Cooked Shrimp
For the Vegetables
  • 1 cup Celery chopped
  • 1 medium Onion finely diced
  • 1 cup Green Pepper chopped
  • 7 oz Canned Mushroom Stems and Pieces
  • 4 oz Diced Pimientos
For the Sauce
  • 1 cup Mayonnaise
  • 0.5 cup 2% Milk
  • 1 tsp Pepper
  • 1 tbsp Worcestershire Sauce
For the Crunchy Topping
  • 1 cup Dry Bread Crumbs

Equipment

  • Oven
  • Mixing Bowl
  • baking dish

Method
 

Step-by-Step Instructions
  1. Prepare the Rice: Cook the long grain and wild rice according to the package instructions. Preheat your oven to 375°F (190°C).
  2. Mix Ingredients: In a large bowl, combine the crabmeat, shrimp, celery, onion, green pepper, mushrooms, and pimientos.
  3. Create the Sauce: Whisk together mayonnaise, milk, pepper, and Worcestershire sauce until smooth.
  4. Combine Ingredients: Fold the sauce into the seafood mixture, then add the cooked rice and mix gently.
  5. Transfer and Top: Pour the mixture into a greased 13x9-inch baking dish and top with breadcrumbs.
  6. Bake: Place in the oven and bake for 40-50 minutes until bubbly and golden brown.

Nutrition

Serving: 1servingCalories: 350kcalCarbohydrates: 30gProtein: 25gFat: 15gSaturated Fat: 2gPolyunsaturated Fat: 1gMonounsaturated Fat: 7gCholesterol: 70mgSodium: 800mgPotassium: 350mgFiber: 2gSugar: 2gVitamin A: 10IUVitamin C: 15mgCalcium: 8mgIron: 10mg

Notes

Customize with your favorite seafood or vegetables for a personal touch!

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