Name: Heavenly Seafood Casserole Creamy for Cozy Family Nights
Prep time: 20 min
Cook time: 25 min
Total time: 55 min
Ingredients: 1 cup Shrimp (Can replace with additional scallops or fish.); 1 cup Scallops (Can use more shrimp or lump crab if needed.); 1 cup White Fish (Adds mild flavor; other mild white fish can also work.); 1 cup Lump Crab Meat (Can omit or use more scallops/white fish.); 1 medium Onion (No substitutions recommended.); 2 stalks Celery (Can substitute with green bell pepper.); 1 cup Carrots (No substitutions recommended.); 1 cup Mushrooms (Can use zucchini for a different flavor.); 2 cloves Garlic (Minced; no substitutions recommended.); 3 tablespoons Butter (Can substitute with olive oil for dairy-free.); 1/4 cup All-Purpose Flour (Swap with gluten-free flour for gluten-free option.); 2 cups Seafood Stock (Chicken or vegetable stock can also be used.); 1 cup Heavy Cream (Can substitute with half-and-half or non-dairy cream.); 1 teaspoon Old Bay Seasoning (Use a mix of paprika and thyme if necessary.); 1/2 teaspoon Paprika (No substitutions recommended.); 1/2 teaspoon Dried Thyme (Fresh thyme is a good alternative.); 2 tablespoons Lemon Juice (No substitutions recommended.); to taste Salt and Black Pepper (Essential for seasoning.); 1 cup Breadcrumbs (Use gluten-free breadcrumbs for a gluten-free dish.); 1/2 cup Parmesan Cheese (Nutritional yeast can be used for dairy-free.); 2 tablespoons Parsley (For garnish and freshness.)

As the inviting aroma of herbs and seafood wafts through the kitchen, I find myself mesmerized by the heartwarming scene of shared laughter and clinking dishes around the table. That’s the magic of my Ultimate Seafood Casserole with Creamy Sauce—this dish is not just a meal; it’s a comforting hug for the soul. With a luscious blend of shrimp, scallops, crab, and white fish, all enveloped in a rich, creamy sauce, this casserole unfolds delightful flavors that are perfect for cozy family dinners or festive gatherings. It’s a crowd-pleaser that assembles quickly, and the best part is, it easily adapts to your pantry’s offerings—gluten-free options or swapping seafood are a breeze! Ready to dive into this culinary adventure? Let’s make some cherished memories together!

Why Is This Seafood Casserole a Must-Try?

Comforting and satisfying, this dish brings warmth to your table with every bite. Flexibility is key—swap in your favorite seafood or go gluten-free without losing flavor. Quick to assemble, you’ll have a delicious meal ready in no time, perfect for busy nights. Crowd-pleaser appeal ensures everyone will enjoy this dish, whether at family gatherings or cozy dinners with friends. Pair it with a fresh green salad or crusty artisan bread to soak up every last drop of that creamy sauce! For more hearty options, check out our delicious Tuna Casserole Comfort or indulge in a Green Bean Casserole with Unique Twist.

Seafood Casserole Creamy Ingredients

For the Seafood Filling

Shrimp – Provides a sweet seafood flavor and firm texture; can replace with additional scallops or fish.
Scallops – Offers a tender, buttery flavor; can use more shrimp or lump crab if needed.
White Fish (like cod or haddock) – Adds mild flavor and structure; other mild white fish can work well.
Lump Crab Meat – Enhances richness and luxury; can omit or use more scallops/white fish.

For the Vegetables

Onion – Adds foundational flavor and sweetness; no substitutions recommended.
Celery – Provides crunch and freshness; can substitute with green bell pepper.
Carrots – Adds color and sweetness; no substitutions recommended.
Mushrooms – Introduces umami and earthiness; can use zucchini for a different flavor.
Garlic – Enhances overall flavor profile; no substitutions recommended.

For the Sauce

Butter – Adds richness and helps sauté vegetables; can substitute with olive oil for dairy-free.
All-Purpose Flour – Thickens the creamy sauce; swap with gluten-free flour for gluten-free option.
Seafood Stock – Imparts deep seafood flavor; chicken or vegetable stock can also be used.
Heavy Cream – Provides creaminess; can substitute with half-and-half or a non-dairy cream for lighter options.

For Seasoning

Old Bay Seasoning – Adds a classic seafood flavor; use a mix of paprika and thyme if necessary.
Paprika – Offers mild spiciness and color; no substitutions recommended.
Dried Thyme – Adds herbal notes; fresh thyme is a good alternative.
Lemon Juice – Brightens and balances flavors; no substitutions recommended.
Salt and Black Pepper – Essential for seasoning; adjust to taste.

For the Topping

Breadcrumbs – Provides a crunchy topping; use gluten-free breadcrumbs for a gluten-free dish.
Parmesan Cheese – Adds flavor and a savory crust; nutritional yeast can be used for dairy-free.
Parsley – For garnish and freshness; no substitutions recommended.

Step‑by‑Step Instructions for Seafood Casserole Creamy

Step 1: Preheat and Prepare Your Dish
Begin by preheating your oven to 375°F (190°C). While the oven warms up, grab a 3-quart casserole dish and lightly grease it with butter or cooking spray to prevent the seafood casserole creamy from sticking. This initial preparation lays the foundation for your delightful dish to bake evenly and achieve that perfect golden crust.

Step 2: Sauté the Vegetables
In a large skillet over medium heat, melt 3 tablespoons of butter to create a rich base. Add chopped onion, celery, carrots, and mushrooms, sautéing for about 6 minutes or until they soften and become fragrant. Stir in minced garlic and sauté for an additional minute to infuse those lovely flavors, ensuring your seafood casserole creamy has a generous flavor profile.

Step 3: Create the Creamy Sauce
Sprinkle 1/4 cup of all-purpose flour over the sautéed vegetables, stirring to coat them evenly. Gradually whisk in 2 cups of seafood stock and 1 cup of heavy cream, ensuring there are no lumps. Add 1 teaspoon of Old Bay seasoning, 1/2 teaspoon of paprika, 1/2 teaspoon of dried thyme, and 2 tablespoons of lemon juice. Allow the mixture to simmer gently for 5-7 minutes until thickened to a creamy consistency.

Step 4: Incorporate the Seafood
Gently fold in 1 cup of shrimp, 1 cup of scallops, 1 cup of white fish, and 1 cup of lump crab meat into the creamy sauce. Cook this mixture for about 2-3 minutes until the seafood turns opaque and tender. Be careful not to overcook, as the seafood will continue cooking in the oven. Season with salt and black pepper to taste, enhancing the savory depth of your seafood casserole creamy.

Step 5: Transfer the Mixture
Once combined, carefully transfer the seafood mixture into your prepared casserole dish, spreading it out evenly. This ensures that every bite of your seafood casserole creamy will delight with a perfect balance of seafood and sauce. Smooth the top with a spatula for a polished and even finish, readying it for the topping to come.

Step 6: Prepare the Topping
In a separate bowl, mix 1 cup of breadcrumbs, 1/2 cup of grated Parmesan cheese, and 2 tablespoons of chopped parsley. This mixture will create a beautiful and crunchy topping for your casserole. Toss gently to combine the ingredients, ensuring each breadcrumb is coated with the savory cheese and herbs that will enhance the flavor and texture of your seafood casserole creamy.

Step 7: Bake and Achieve Golden Perfection
Sprinkle the breadcrumb topping evenly over the seafood casserole and place the dish in the preheated oven. Bake for 20-25 minutes, or until the top is golden brown and the filling is bubbling. As it bakes, the aroma will fill your kitchen, creating excitement for the comforting meal that’s about to be shared.

Step 8: Serve and Enjoy
Once your seafood casserole creamy reaches that perfect golden hue, carefully remove it from the oven. Allow it to cool for a few minutes before serving, letting the flavors settle. Prepare for hearty servings that everyone will love as you dish out this creamy, seafood-filled delight, perfect for any family gathering or cozy dinner night!

How to Store and Freeze Seafood Casserole Creamy

Fridge: Store leftovers in an airtight container for up to 3 days. Make sure it’s cooled completely to maintain the creamy texture and flavors.
Freezer: For longer storage, freeze individual portions in airtight containers for up to 2 months. Make sure to label with the date for reference.
Reheating: To reheat, thaw overnight in the fridge, then warm in the oven at 350°F (175°C) for about 20-25 minutes, or until heated through. Avoid microwave reheating as it can make the seafood tough.
Assembled and Unbaked: You can prepare the seafood casserole creamy up to the baking stage, tightly cover it, and freeze. Bake directly from the freezer, adding extra time to ensure it’s cooked thoroughly.

Expert Tips for Seafood Casserole Creamy

Prep Ahead: Prepare the casserole the day before, refrigerate, and bake directly from the fridge, adjusting baking time as needed for a stress-free dinner.
Seafood Swap: Don’t hesitate to swap different seafood, like lobster or clams, to customize your seafood casserole creamy and cater to your family’s favorites.
Thickening Check: Ensure your creamy sauce thickens enough before adding seafood; otherwise, it may turn watery. Adjust with more flour if necessary.
Breadcrumb Crunch: For an extra crispy topping, broil the casserole for the last 2-3 minutes after baking, but watch closely to prevent burning.
Cooling Time: Allow the casserole to cool before serving, letting the flavors meld and making it easier to serve perfectly shaped portions.

What to Serve with Ultimate Seafood Casserole

As you prepare to indulge in this creamy delight, envision the perfect accompaniments that elevate this comforting dish even further.

Fresh Green Salad: A crisp, refreshing salad balances the richness of the casserole, offering a delightful crunch and vibrant color.
Garlic Bread: Warm, buttery garlic bread is ideal for soaking up the savory creamy sauce, turning every bite into a flavorful experience.
Roasted Asparagus: Tender roasted asparagus delivers a touch of earthiness, complementing the seafood beautifully while adding a pop of color to your plate.
Herbed Rice: Fluffy herbed rice absorbs the delicious sauce, ensuring you won’t miss a single drop of that creamy goodness.
Coleslaw: A tangy coleslaw adds a refreshing crunch and a hint of sweetness that perfectly contrasts the savory seafood flavors.
Chardonnay: A chilled glass of Chardonnay enhances the meal, with its crisp acidity and fruity notes harmonizing wonderfully with the seafood.
Lemon Sorbet: For a light dessert, lemon sorbet offers a refreshing palette cleanser, leaving a bright finish after the hearty casserole.

Indulging in these pairings will surely create a well-rounded dining experience that you and your loved ones will savor!

Make Ahead Options

These Ultimate Seafood Casserole Creamy preparations are perfect for busy weeknights! You can prepare the casserole up to 24 hours in advance by assembling it through the transfer step, then cover tightly with plastic wrap and refrigerate. This method keeps all the flavors intact, ensuring the seafood will still taste just as delicious when baked. For longer storage, you can freeze it for up to 2 months; just be sure to let it cool completely before freezing. When ready to serve, simply bake it from the refrigerator or freezer, allowing for extra time in the oven if it’s chilled. Enjoy the comfort and ease of having a family-favorite meal ready to go!

Seafood Casserole Creamy Variations

Feel free to let your creativity shine by customizing this incredible casserole to suit your tastes!

Lobster Swap: Use lobster meat for an indulgent twist. The sweet, tender meat adds a luxurious touch to any gathering that seafood lovers will adore.
Gluten-Free: Substitute all-purpose flour and breadcrumbs with gluten-free options to ensure everyone can savor this dish without worry. It opens up the flavors to even those with dietary restrictions!
Vegetable Boost: Add in fresh spinach or delicate spring peas for an extra pop of color and nutrition. They’ll complement the seafood beautifully, bringing freshness to your comforting mix.
Spicy Kick: Incorporate diced jalapeños or a sprinkle of red pepper flakes to give your casserole a warm kick. It’s an excellent way to elevate the dish for those who love a bit of heat!
Creamy Alternatives: For a lighter option, try substituting heavy cream with a non-dairy cream, making it perfect for vegan or lactose-intolerant guests. You won’t lose the rich flavor!
Cheesy Delight: Add a blend of cheeses like Gruyère or cheddar mixed into the topping for an extra cheesy crust. This flavor addition takes the creamy goodness to a whole new level of deliciousness.
Seasonal Flair: Introduce seasonal veggies, like zucchini in summer or butternut squash in fall, for a delectable seasonal twist that keeps this dish fresh and exciting.
Smoky Flavor: A dash of smoked paprika can transform the flavor profile, bringing a gentle smokiness reminiscent of a coastal summer cookout. Pair it with a fresh salad for a refreshing contrast!

If you’re craving more delicious ideas, consider whipping up a hearty Hashbrown Breakfast Casserole or indulge in a rich Smothered Pork Casserole to bring your dinner table to life.

Seafood Casserole Creamy Recipe FAQs

What seafood is best for my casserole?
Absolutely! The beauty of this Ultimate Seafood Casserole is its flexibility. You can use shrimp, scallops, crab, and white fish like cod or haddock. If seafood isn’t your thing or isn’t available, feel free to swap in lobster or even clams and mussels! Just ensure they are fresh to bring out the best flavors.

How should I store leftovers from the casserole?
Very simple! Once cooled, transfer your seafood casserole creamy leftovers to an airtight container. You can store it in the fridge for up to 3 days. Make sure it’s completely cool to ensure the creamy texture remains perfect. When you’re ready to enjoy it again, just reheat in the oven for the best results.

Can I freeze the seafood casserole?
Absolutely! Freezing is a great option if you want to save some for later. You can freeze individual portions in airtight containers for up to 2 months. To freeze the assembled casserole, make sure to tightly cover it and label it with the date. Bake it directly from the freezer, but remember to add a few extra minutes to the cooking time!

Why is my casserole watery?
A common hiccup, but don’t fret! If your casserole turns out watery, it usually means the creamy sauce didn’t thicken properly. To troubleshoot, make sure to let your sauce simmer for about 5-7 minutes until thickened before adding seafood. If you’re already mixed in the seafood, you can try adding a little extra flour to the sauce and simmering it gently to absorb some of the excess liquid.

Are there any dietary considerations for this recipe?
Definitely! This recipe can be adjusted to accommodate dietary needs. For a gluten-free option, substitute all-purpose flour with gluten-free flour and use gluten-free breadcrumbs. Moreover, you can leave out the crab if anyone has shellfish allergies. I always recommend checking with guests about their dietary restrictions before serving.

How do I make the casserole ahead of time?
Sure thing! You can assemble the seafood casserole creamy the day before. Just follow the recipe up to the baking step, cover it tightly, and refrigerate. When you’re ready to bake it, pop it in the oven directly from the fridge—just keep an eye on it, as it may need a few extra minutes to cook through. This way, you can enjoy a stress-free dinner with minimal last-minute prep!