Baked Seafood au Gratin

Baked Seafood au Gratin
  • PREP TIME
    25 mins
  • COOK TIME
    1 hrs
  • TOTAL TIME
    1 hrs 25 mins
  • SERVING
    8 People
  • VIEWS
    972

Indulge in the timeless elegance of Baked Seafood au Gratin. A symphony of succulent crab, shrimp, scallops, and flounder, bathed in a creamy, cheesy sauce, crowned with a golden Parmesan crust. This dish is a comforting embrace of the sea, perfect for special occasions or a cozy weeknight dinner.

Ingridients

Adjust Servings

Nutrition

  • Carbohydrate
    20 g
  • Cholesterol
    233 mg
  • Fiber
    1 g
  • Protein
    43 g
  • Saturated Fat
    21 g
  • Sodium
    859 mg
  • Sugar
    6 g
  • Fat
    34 g
  • Unsaturated Fat
    0 g

DIRECTIONS

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Image Step 01
01 Step

Recipe View 17 mins Craft the Aromatic Base: In a heavy skillet, melt 1/2 cup of butter over medium heat. Add the chopped onion and green bell pepper and sauté until softened, about 5-7 minutes. Incorporate 1/2 cup of flour, stirring continuously, and cook for 10 minutes to create a flavorful roux. Gently fold in the crabmeat, then remove from the heat and set aside.

Image Step 02
02 Step

Recipe View 3 mins Poach the Seafood Medley: In a large Dutch oven, bring 4 cups of water to a rolling boil. Introduce the shrimp, scallops, and flounder fillets and simmer gently for approximately 3 minutes, until just cooked through. Drain the seafood, reserving 1 cup of the flavorful cooking liquid. Set the poached seafood aside.

Image Step 03
03 Step

Recipe View 1 mins Prepare for Baking: Preheat your oven to 350 degrees F (175 degrees C). Lightly grease a 9x13-inch baking dish.

Image Step 04
04 Step

Recipe View 13 mins Create the Velvety Sauce: In a heavy saucepan, melt the remaining 1/2 cup of butter over low heat. Stir in the remaining 1/2 cup of flour and cook, stirring constantly, for 1 minute. Gradually whisk in the milk and the reserved 1 cup of seafood cooking liquid. Increase the heat to medium and cook, stirring continuously, until the sauce thickens to a creamy consistency and is bubbly. This should take about 5-7 minutes. Remove from heat and stir in the shredded Cheddar cheese until melted and smooth. Add the vinegar, Worcestershire sauce, salt, pepper, and a dash of hot pepper sauce. Gently fold in the poached shrimp, scallops, and flounder.

Image Step 05
05 Step

Recipe View 1 mins Assemble and Bake: Press the crabmeat mixture into the bottom of the prepared baking dish to form a delicious crust. Spoon the seafood and cheese sauce mixture evenly over the crabmeat base. Sprinkle generously with grated Parmesan cheese.

Image Step 06
06 Step

Recipe View 30 mins Bake to Golden Perfection: Bake in the preheated oven for 30 minutes, or until the top is lightly browned and bubbly. Let stand for a few minutes before serving. Serve immediately and enjoy the delicious symphony of flavors.

For an even richer flavor, consider using seafood stock instead of water when poaching the seafood.
A sprinkle of paprika on top of the Parmesan cheese before baking will add a touch of color and smoky flavor.
Feel free to substitute other types of seafood, such as lobster or mussels, based on your preference and availability.
To make ahead, assemble the gratin but do not bake. Cover and refrigerate for up to 24 hours. Add 10-15 minutes to the baking time if baking from cold.

Nick Block

Written by

Our recipe authors are passionate food lovers who share thousands of diverse dishes from around the world. They bring daily cooking inspiration with delicious, easy-to-make recipes for every occasion.

RECIPE REVIEWS

Avarage Rating: 4.4/ 5 ( 324 Ratings)
Total Reviews: (4)
  • Polly Kautzer

    My family devoured this! The sauce was so creamy and flavorful.

  • Alaina Wiegand

    Easy to follow and absolutely delicious! I'll definitely be making this again.

  • Gideon Trantow

    I made this for a dinner party, and everyone raved about it. It's a keeper!

  • Trent Berge

    This recipe is amazing! The crabmeat crust is genius.

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