As I gazed at the mesmerizing waves crashing on the shore, I realized that the ocean doesn’t just gift us its beauty; it also offers a bounty of flavors perfect for our dinner table. Enter my creamy Seafood Casserole—a dish that dazzles with succulent shrimp and sweet crab, harmonizing with tender vegetables all wrapped in a velvety sauce and crowned with a crunchy breadcrumb topping. This easy dinner delight not only promises comfort food satisfaction but also brings a touch of gourmet flair to your weeknight meals. Whether you’re planning a cozy family gathering or simply craving something delicious, this casserole adapts effortlessly to your taste buds, making it a true crowd-pleaser. Ready to dive into this seafood treasure that’s as simple to prepare as it is pleasing to the palate?

Why is this Seafood Casserole irresistible?

Simplicity: This casserole comes together effortlessly, making it perfect for busy weeknights. Flavorful Fusion: The delightful blend of shrimp and crab, combined with fresh veggies, creates an explosion of taste in every bite. Versatile Options: You can easily swap out ingredients to suit your pantry or preferences, whether using imitation crab or adding seasonal veggies. Crowd-Pleaser: It’s a dish that everyone will enjoy, great for family nights or gatherings. If you love casseroles, check out my Dorito Casserole Cheesy for another fun twist! Comforting Texture: The creamy filling, topped with crispy breadcrumbs, provides a satisfying crunch that complements the heartiness of the dish.

Seafood Casserole Ingredients

• Let’s gather everything we need for this comforting dish!

For the Base

  • Long Grain and Wild Rice – A hearty base that adds texture; feel free to substitute with any whole grain rice.
  • Crabmeat (frozen or canned) – Offers rich seafood flavor and delectable texture; imitation crab works if you’re keeping an eye on your budget.
  • Cooked Shrimp – Provides protein and a dose of ocean flavors; choose raw for a better outcome if using fresh shrimp.

For the Vegetables

  • Celery – Introduces crunchy freshness; shallots or leeks can easily step in when necessary.
  • Onion (medium) – Boosts flavor depth; use green onions for a milder kick or omit entirely if preferred.
  • Green Pepper – Adds a hint of sweetness and color; any bell pepper will do or skip it for a subtler taste.
  • Mushroom Stems and Pieces (canned) – Contributes deep umami; sauté fresh mushrooms for a more vibrant flavor.
  • Diced Pimientos – Brightens the dish with color; consider swapping for roasted red peppers if available.

For the Creamy Sauce

  • Mayonnaise – Creates that wonderful creamy sauce texture; sour cream or a creamy soup (like cream of mushroom) can be tasty alternatives.
  • Milk (2%) – Helps thin the mayo for easier mixing; chicken broth adds an extra layer of flavor, too.
  • Black Pepper – Offers essential seasoning; feel free to replace it with cayenne for some heat if desired.
  • Worcestershire Sauce – Enhances the overall flavor; if you don’t have it, you can simply omit it.

For the Crunchy Topping

  • Dry Breadcrumbs – Gives that satisfying crunch on top; crushed crackers or pre-flavored crumbs can add a unique touch.

With these ingredients assembled, you’re one step closer to whipping up a delightful Seafood Casserole that’s not just a meal, but a warm hug on a plate!

Step‑by‑Step Instructions for Seafood Casserole

Step 1: Preheat the Oven and Prepare Rice
Begin by preheating your oven to 375°F (190°C). While the oven warms up, cook the long grain and wild rice according to the package instructions, usually around 20-30 minutes. As the rice cooks, you’ll see it expand and become tender—this will form a hearty base for your Seafood Casserole.

Step 2: Combine Seafood and Vegetables
In a large mixing bowl, combine the thawed crabmeat, cooked shrimp, diced celery, chopped onion, green pepper, canned mushroom stems, and diced pimientos. Use a spatula to gently fold the ingredients together, ensuring everything is well distributed. This colorful mixture will create a vibrant filling for your casserole, enticing both the eyes and the palate.

Step 3: Mix the Creamy Sauce
In a separate smaller bowl, whisk together the mayonnaise, milk, black pepper, and Worcestershire sauce until smooth and well combined. The mixture should be creamy and slightly thinned—this will help coat the seafood and vegetables evenly. Once combined, pour this sauce over the seafood and vegetable mixture and stir gently to coat everything uniformly.

Step 4: Incorporate the Cooked Rice
Once your creamy sauce is ready, add the cooked rice to the seafood mixture. Using a large spoon, carefully fold the rice into the mixture until everything is thoroughly mixed. Aim for a cohesive blend where the rice, seafood, and sauce all come together. This will create a deliciously comforting texture in your Seafood Casserole.

Step 5: Transfer to Baking Dish
Lightly grease a 13×9 inch baking dish with butter or cooking spray to prevent sticking. Carefully pour the combined Seafood Casserole mixture into the prepared dish, spreading it out evenly with a spatula. This ensures that every bite is just as delicious as the last and allows for even cooking as it bakes.

Step 6: Add Topping and Bake
Sprinkle a generous layer of dry breadcrumbs evenly over the top of the casserole, giving it that desirable crunch. Place the baking dish in the preheated oven and bake uncovered for 40-50 minutes. Keep an eye on the casserole; it’s done when the top is golden brown, and the edges are bubbling, creating a comforting glow of warmth.

Step 7: Cool and Serve
Once baked to perfection, remove the Seafood Casserole from the oven and let it cool for about 5-10 minutes before serving. This brief cooling period allows the filling to set slightly, making it easier to scoop out and serve. As you dish it up, everyone will admire the golden topping and the creamy, inviting filling within.

Expert Tips for Seafood Casserole

  • Creamy Consistency: To avoid a runny sauce, substituting mayonnaise with a creamy soup can enhance texture while maintaining flavor.
  • Fresh Shrimp: Opt for raw shrimp instead of pre-cooked for better results; it holds its texture during cooking and reheating without becoming rubbery.
  • Microwave Heats Low: When reheating leftovers, use low settings to gently warm the seafood casserole and preserve its delicate flavors without overcooking the seafood.
  • Vegetable Variations: Feel free to add vegetables like spinach or zucchini for added nutrition and color; adjust quantities based on preferences.
  • Crumb Topping Alternatives: For a unique twist, consider using flavored or cheese breadcrumbs for extra taste and variety in your seafood casserole.

How to Store and Freeze Seafood Casserole

Fridge: Keep the casserole covered in the refrigerator for up to 2 days. For longer freshness, ensure it’s in an airtight container to maintain its creamy texture.

Freezer: You can freeze the Seafood Casserole for up to 3 months. Wrap it tightly in plastic wrap followed by aluminum foil or place it in a freezer-safe container to prevent freezer burn.

Reheating: Thaw the casserole in the fridge overnight before reheating. Warm it in the oven at 350°F (175°C) for about 30 minutes, ensuring it’s heated through to avoid rubbery seafood.

Leftovers: If you have leftovers, use a microwave on low to reheat individual portions gently, achieving the perfect creamy consistency without overcooking.

Seafood Casserole Variations & Substitutions

Feel free to get creative with this recipe and make it your own with delightful twists and variations!

  • Dairy-Free: Substitute mayonnaise with silken tofu blended until smooth, creating a creamy texture without the dairy. This keeps all the richness intact!
  • Seafood Swap: Replace shrimp with scallops or add clams for a different seafood experience. Each option brings unique flavors perfect for seafood lovers.
  • Vegetables Boost: Toss in extra veggies like peas, carrots, or even spinach for added nutrition and color. The more, the merrier with fresh flavors!
  • Cheesy Twist: Mix in shredded cheese before baking or top with cheese-flavored breadcrumbs for a gooey, cheesy twist that everyone will adore.
  • Spicy Kick: Incorporate jalapeños or a dash of hot sauce if you like heat in your dishes. It enhances the flavor profile with a wonderful warmth!
  • Grain Variation: Use quinoa or couscous in place of rice to switch up the texture of the casserole. Both grains lend a new twist to comfort!
  • Flavorful Additions: Consider adding Old Bay seasoning or lemon zest to amplify the seafood flavors and bring a fresh brightness to each bite.
  • Crunchy Alternatives: Swap breadcrumbs for crushed crackers or even panko for an unexpected crunchy topping that will surprise and delight.

Don’t forget to explore other casserole options like Mediterranean Vegetable Casserole or Tater Tot Casserole for more inspiration!

Make Ahead Options

Preparing this creamy Seafood Casserole ahead of time is a game-changer for busy weeknights! You can assemble the entire casserole, covering it tightly, and refrigerate it for up to 24 hours before baking. To maintain the casserole’s delightful texture, mix the seafood and vegetables with the sauce and rice, then chill without the breadcrumb topping, which you can add right before baking to keep it crispy. When you’re ready to enjoy your meal, simply pop it in the oven straight from the fridge, adding an extra 10-15 minutes to the baking time to ensure it heats through thoroughly. This way, you’ll serve up a comforting dinner with minimal effort and maximum flavor!

What to Serve with Creamy Seafood Casserole?

Nothing pairs better with this comforting dish than refreshing sides that enhance its rich flavors.

  • Garlic Bread: Warm, buttery garlic bread complements the casserole’s creaminess while adding a delightful crunch. It’s perfect for soaking up every last bite!

  • Simple Green Salad: A light arugula salad with lemon vinaigrette provides a bright, peppery contrast to the luscious casserole, refreshing your palate with each forkful.

  • Steamed Asparagus: The tender snap of asparagus brings a green, earthy element that beautifully balances the savory seafood flavors. Just a sprinkle of salt and pepper elevate this side.

  • Roasted Vegetables: Assorted roasted veggies like zucchini or bell peppers offer a caramelized sweetness that contrasts the savory casserole, adding nourishment and color to the meal.

  • Herbed Quinoa: Light and nutty, quinoa infused with fresh herbs creates a wholesome side that brings additional texture and heartiness, complete with plant-based protein.

  • Chardonnay: A chilled glass of Chardonnay amplifies the seafood flavors with its crisp acidity, making it an excellent wine pairing for an elevated dining experience.

Feel free to mix and match these delightful accompaniments for a well-rounded meal that everyone will love!

Seafood Casserole Recipe FAQs

What type of rice should I use in the Seafood Casserole?
For the Seafood Casserole, long grain and wild rice work beautifully as they provide a hearty base. However, feel free to substitute with any rice you have on hand, like jasmine or basmati. Just remember, cooking times may vary, so adjust according to package instructions.

How should I store leftover Seafood Casserole?
You can store the Seafood Casserole in the refrigerator for up to 2 days. Be sure to cover it properly with plastic wrap or transfer it to an airtight container. This helps maintain the creamy texture and keeps it tasting fresh!

Can I freeze the Seafood Casserole? How?
Absolutely! To freeze your Seafood Casserole, wrap it tightly in plastic wrap followed by aluminum foil to prevent freezer burn. You can also use a freezer-safe container. It will stay fresh for up to 3 months. When you’re ready to enjoy it again, thaw overnight in the fridge before reheating.

What if my Seafood Casserole is too runny?
If you notice your casserole is too runny, this may be due to the creamy sauce. To fix this, avoid using too much mayonnaise. Instead, consider substituting with a creamy soup like cream of mushroom. If reheating, do so gently on low heat to prevent the seafood from becoming rubbery.

Are there any dietary considerations for this Seafood Casserole?
Certainly! For those with seafood allergies, it’s best to avoid this recipe entirely. If you’re cooking for pets, keep in mind that ingredients like onion can be harmful to them. Also, you can swap out ingredients to cater to dietary restrictions, such as using gluten-free breadcrumbs or dairy-free mayonnaise.

How long should I bake the Seafood Casserole?
Bake your Seafood Casserole uncovered for 40-50 minutes at 375°F (190°C). You’ll know it’s done when the top is golden brown and bubbly. Keeping an eye on it will help ensure you achieve the perfect texture!

Seafood Casserole

Savory Seafood Casserole for Cozy Family Nights

Experience the flavors of the ocean with this creamy Seafood Casserole, a perfect dish for family gatherings.
Prep Time 30 minutes
Cook Time 50 minutes
Cooling Time 10 minutes
Total Time 1 hour 30 minutes
Servings: 6 servings
Course: Dinner
Cuisine: Seafood
Calories: 450

Ingredients
  

For the Base
  • 1 cup Long Grain and Wild Rice Substitution allowed with whole grain rice.
  • 1 cup Crabmeat (frozen or canned) Imitation crab can be used.
  • 1 lb Cooked Shrimp Use raw for better results if fresh.
For the Vegetables
  • 1 cup Celery Shallots or leeks can be substituted.
  • 1 medium Onion Green onions can be used for milder flavor.
  • 1 cup Green Pepper Any bell pepper or omit for less sweetness.
  • 1 can Mushroom Stems and Pieces Fresh mushrooms can be sautéed for better flavor.
  • 1 cup Diced Pimientos Roasted red peppers can be swapped.
For the Creamy Sauce
  • 1 cup Mayonnaise Sour cream or creamy soup can be alternatives.
  • 1/2 cup Milk (2%) Chicken broth can be used for extra flavor.
  • 1 tsp Black Pepper Cayenne can be used for additional heat.
  • 1 tbsp Worcestershire Sauce Can be omitted if unavailable.
For the Crunchy Topping
  • 1 cup Dry Breadcrumbs Crushed crackers or flavored crumbs can be used.

Equipment

  • Oven
  • large mixing bowl
  • spatula
  • 13x9 inch Baking Dish

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 375°F (190°C). Cook the long grain and wild rice according to package instructions.
  2. In a large mixing bowl, combine thawed crabmeat, cooked shrimp, diced celery, chopped onion, green pepper, canned mushroom stems, and diced pimientos.
  3. In a separate bowl, whisk together mayonnaise, milk, black pepper, and Worcestershire sauce until smooth.
  4. Add the cooked rice to the seafood mixture and fold gently until combined.
  5. Pour the combined mixture into a greased 13x9 inch baking dish, spreading it evenly.
  6. Sprinkle dry breadcrumbs over the top and bake for 40-50 minutes until golden brown.
  7. Let the casserole cool for 5-10 minutes before serving.

Nutrition

Serving: 1servingCalories: 450kcalCarbohydrates: 50gProtein: 25gFat: 15gSaturated Fat: 2gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gCholesterol: 100mgSodium: 800mgPotassium: 600mgFiber: 3gSugar: 2gVitamin A: 10IUVitamin C: 15mgCalcium: 8mgIron: 10mg

Notes

For a unique twist, consider using flavored breadcrumbs or adding spinach or zucchini for extra nutrition.

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