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Savory Seafood Gratin (Elegant Dinner)

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Tender shrimp, scallops, and white fish baked in a creamy sauce with a golden, cheesy topping—perfect for an elegant dinner.

Ingredients

Scale
  • 1/2 lb (225 g) large shrimp, peeled and deveined

  • 1/2 lb (225 g) scallops, cleaned

  • 1/2 lb (225 g) white fish fillets, cut into chunks

  • 2 tablespoons (30 g) butter

  • 2 tablespoons (30 g) all-purpose flour

  • 1 1/2 cups (360 ml) milk

  • 1/2 cup (120 ml) heavy cream

  • 1/2 cup (50 g) grated Gruyère or Parmesan cheese

  • 1/4 cup (30 g) breadcrumbs

  • 2 cloves garlic, minced

  • 1/2 teaspoon (2 g) salt

  • 1/4 teaspoon (1 g) black pepper

  • 1/4 teaspoon (1 g) smoked paprika

  • 1 teaspoon (5 g) chopped fresh parsley

  • Optional: lemon juice

Instructions

  • Preheat oven to 375°F (190°C) and butter a 9×9-inch dish.

  • Melt butter, sauté garlic, stir in flour to make a roux. Gradually whisk in milk and cream; simmer until thickened. Season.

  • Arrange seafood in dish, pour sauce over top.

  • Mix cheese and breadcrumbs; sprinkle evenly over gratin.

  • Bake 20–25 minutes until golden and bubbly.

  • Garnish with parsley and lemon juice before serving.

Notes

Broil 1–2 minutes for extra crispy topping. Add vegetables like spinach or mushrooms for variation. Adjust seasoning and cheese for lighter or richer flavors.