Tantalizing Seafood Casserole Recipe

Sea-sational Seafood Casserole Recipe for Ocean Lovers

Weeknight dinners demand quick, delicious solutions that satisfy every hungry palate.

This seafood delight casserole recipe offers a mouthwatering blend of ocean-fresh flavors and comforting textures.

Succulent shrimp and tender fish merge with creamy sauces and crisp vegetables for an irresistible meal.

Each bite promises a symphony of maritime goodness that slides effortlessly from skillet to plate.

The ingredients come together seamlessly, creating a dish that feels both elegant and approachable.

Minimal prep work means maximum enjoyment, letting you spend less time cooking and more time savoring.

Dive into this seafood sensation that’s sure to become a cherished staple in your culinary repertoire.

Quick Recipe Overview

Prep Time: 15 minutes

Cook Time: 45 minutes

Total Time: 1 hour

Calories: 410 kcal

Servings: 5

Seafood Casserole Ingredient Rundown

For Seafood Base:
  • Shrimp: Sweet ocean gems that provide tender protein and briny flavor.
  • Scallops: Delicate marine morsels delivering buttery richness and elegant texture.
  • Crabmeat: Luxurious seafood adding subtle sweetness and authentic maritime character.
  • Flounder: Mild white fish creating a delicate foundation for the entire casserole.
For Sauce and Liquid Components:
  • Butter: Smooth binding agent creating richness and depth.
  • Heavy Cream: Silky base generating luxurious, velvety consistency.
  • White Wine: Sophisticated deglazing liquid introducing complex undertones.
  • Chicken Broth: Savory liquid enhancing overall depth of flavor.
  • Dijon Mustard: Tangy condiment providing unexpected zesty complexity.
For Seasoning and Enhancement:
  • Old Bay Seasoning: Classic maritime spice blend delivering quintessential seafood profile.
  • Flour: Subtle thickening agent helping create smooth, consistent sauce texture.
  • Salt and Pepper: Essential foundational seasonings balancing entire dish's flavor complexity.

Equipment That Makes Seafood Casserole Easy

  • Large Skillet: Essential for sautéing seafood and creating the creamy sauce.
  • Casserole Dish: Perfect for baking and presenting the seafood delight.
  • Measuring Spoons: Helps accurately add butter, seasonings, and other ingredients.
  • Measuring Cups: Crucial for precise liquid measurements like wine, cream, and broth.
  • Wooden Spoon or Spatula: Great for stirring and mixing ingredients smoothly.
  • Mixing Bowl: Useful for preparing flour and butter mixture.
  • Oven Mitts: Protects hands when handling hot dishes and skillet.

Putting Together a Tasty Seafood Casserole

Ocean Treasure Casserole

  • Seafood Sizzle

Get a large skillet dancing with heat. Drop in butter or olive oil, letting it shimmer. Toss in shrimp and scallops, giving them a quick golden kiss. Splash some white wine to create magical flavors. Swirl in cream, broth, and mustard with a pinch of seasonings. Dance those seafood gems around for a moment, then rescue them onto a waiting plate.

  • Silky Sauce Magic

Return to the skillet and whisper in flour-kissed butter. Let the mixture bubble gently, transforming into a luxurious blanket. Fold in the rescued seafood and tender crabmeat, ensuring every morsel gets a creamy embrace.

  • Flounder Foundation

Warm the oven to a cozy 350°F. Lay delicate flounder fillets in a welcoming casserole dish. Sprinkle a dash of Old Bay seasoning and let them rest briefly in a shallow water bath. Give them a quick 10-minute warm-up.

  • Layers of Deliciousness

Crown the flounder with your dreamy seafood mixture. Dust another sprinkle of Old Bay for an extra flavor punch. Slide into the oven and let everything mingle and bubble for about 25 minutes until edges turn golden and tempting.

  • Coastal Celebration

Pull out your masterpiece and let it settle for a few moments. Serve and watch as everyone falls in love with this oceanic delight.

Helpful Tips to Change Up the Flavor

  • Seafood Substitution Magic: Feeling adventurous? Swap shrimp and scallops with crab, lobster, or even white fish like cod for a delightful twist on this oceanic masterpiece.
  • Spice It Up: Kick the flavor profile into high gear by adding red pepper flakes, smoked paprika, or a dash of cayenne for those who love a little heat in their seafood dish.
  • Wine Pairing Wonder: Elevate your meal by choosing a crisp Sauvignon Blanc or Chardonnay that complements the creamy seafood sauce and brings out the delicate ocean flavors.
  • Make-Ahead Marvel: Prep the entire casserole up to 24 hours in advance and store covered in the refrigerator. Simply pop it in the oven when you're ready to serve, making dinner preparation a breeze.
  • Gluten-Free Hack: Replace traditional flour with cornstarch or gluten-free flour blend to create a celiac-friendly version of this delectable seafood casserole without sacrificing an ounce of flavor.

How to Serve Seafood Casserole Warm

  • Ocean's Freshness Companion: Serve this casserole with a crisp, light green salad dressed in a zesty lemon vinaigrette, cutting through the rich seafood flavors and adding a refreshing contrast.
  • Bread Basket Buddy: Pair with warm, crusty French bread or garlic crostini to soak up the luxurious cream sauce, transforming every bite into a delightful seafood experience.
  • Wine Harmony Pairing: Select a chilled Sauvignon Blanc or unoaked Chardonnay to complement the delicate seafood and creamy sauce, enhancing the overall dining pleasure with its subtle, bright notes.
  • Veggie Sidekick: Roast asparagus spears or sauté some tender green beans with garlic and herbs, providing a nutritious and colorful accompaniment that balances the casserole's creamy richness.

Seafood Casserole: Smart Storage Tips

  • Quick Refrigeration Strategy: Store the seafood casserole in an airtight container within 2 hours of cooking, placing it in the refrigerator's main compartment. Keep the dish fresh for up to 3-4 days, ensuring maximum flavor retention.
  • Freezing Magic Technique: Wrap individual portions or the entire casserole tightly in freezer-safe plastic wrap and aluminum foil. Freeze for a maximum of 1 month, maintaining the seafood's delicate texture and taste profile.
  • Smart Reheating Method: Thaw refrigerated casserole overnight in the fridge. Reheat in a preheated 350°F oven, covering with foil to prevent moisture loss. Warm for 15-20 minutes until internal temperature reaches 165°F, guaranteeing food safety and delicious results.
  • Portion Control Hack: Divide the casserole into single-serving containers before storing. This approach allows easier meal planning, reduces waste, and provides convenient grab-and-go lunch or dinner options throughout the week.
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Tantalizing Seafood Casserole Recipe

Tantalizing Seafood Casserole Recipe


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4.6 from 26 reviews

  • Total Time: 1 hour
  • Yield: 5 1x

Description

Seafood delight casserole brings together succulent ocean treasures in a comforting Mediterranean-style dish. Creamy textures and rich flavors will satisfy your craving for a memorable coastal culinary experience.


Ingredients

Scale
  • 6 extra-large shrimp
  • 6 large scallops
  • 4 oz (113 g) flounder fillets, divided into two parts
  • 4 oz (113 g) lump crabmeat
  • 4 tbsps (60 ml) butter, divided
  • ½ cup (120 ml) heavy cream
  • ¾ cup (180 ml) chicken stock
  • 1 tbsp dijon mustard
  • ½ tsp garlic powder
  • ½ tsp onion powder
  • ¼ tsp black pepper
  • ½ tsp Old Bay seasoning (optional)
  • ½ tsp chopped Italian parsley (optional)

Instructions

  1. Seafood Preparation: Sear shrimp and scallops in butter until golden, then deglaze the skillet with white wine. Whisk in heavy cream, chicken broth, dijon mustard, and seasonings to create a silky, robust sauce.
  2. Sauce Development: Remove seafood and transform pan drippings by incorporating flour-infused butter, simmering until the mixture thickens into a velvety consistency. Gently fold in crabmeat and previously seared seafood, ensuring complete sauce coverage.
  3. Fish Foundation: Preheat oven to 350°F. Layer flounder fillets in a casserole dish, seasoning with Old Bay and adding a minimal water splash. Partially bake to release moisture and prepare the base.
  4. Layering and Baking: Pour the creamy seafood mixture over the flounder, creating an elegant, multi-dimensional surface. Dust with additional Old Bay seasoning for enhanced flavor complexity.
  5. Final Cooking: Bake until the casserole develops a golden, effervescent crust and reaches a bubbling, harmonious state. Allow a brief resting period to meld flavors before serving this exquisite seafood symphony.

Notes

  • Seafood Selection Matters: Choose fresh, high-quality seafood like wild-caught shrimp, scallops, and crabmeat for the most vibrant and authentic flavor profile.
  • Pan Searing Technique: Ensure a dry seafood surface and extremely hot skillet to achieve that perfect golden-brown caramelization without overcooking.
  • Sauce Consistency Control: Whisk continuously when adding flour to prevent lumps and create a smooth, velvety sauce that beautifully coats the seafood.
  • Temperature Precision: Use an instant-read thermometer to check seafood internal temperature, ensuring it reaches 145°F without becoming rubbery or dry.
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Dinner, Lunch
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 5
  • Calories: 410
  • Sugar: 1 g
  • Sodium: 680 mg
  • Fat: 30 g
  • Saturated Fat: 18 g
  • Unsaturated Fat: 10 g
  • Trans Fat: 1 g
  • Carbohydrates: 6 g
  • Fiber: 0 g
  • Protein: 29 g
  • Cholesterol: 150 mg
Jessica Martin

Jessica Martin

Recipe Developer & Food Writer

Expertise

Recipe Development, Food Styling and Photography​, Seasonal and Local Ingredients​, Vegetarian and Vegan Cuisine​, Culinary Education​

Education

Portland Community College

  • Degree: Associate of Applied Science in Culinary Arts
  • Focus: Comprehensive training in culinary techniques, kitchen management, and food safety. Gained hands-on experience in preparing diverse cuisines and understanding flavor profiles

Oregon Culinary Institute

  • Program: Baking and Pastry Certificate
  • Focus: Specialized education in baking fundamentals, pastry arts, and dessert presentation. Emphasized creativity and precision in crafting baked goods.​

Jessica Martin is a talented food writer and recipe creator who specializes in seasonal cooking and approachable home baking. 

Educated at Portland Community College with additional pastry training from Oregon Culinary Institute, Jessica’s culinary journey spans nearly a decade of creating and sharing flavorful recipes. 

Her deep appreciation for local ingredients shapes each of her recipes, making them both accessible and inspiring. At Beard and Bonnet, Jessica uses her cheerful, down-to-earth writing to help readers effortlessly bring new tastes and creative dishes into their daily routines.

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