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Gratin of Seafood Recipe

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4.1 from 2 reviews

A refined and elegant seafood gratin featuring prawns, scallops, and mussels in a rich white wine and cream sauce, topped with gratinéed cheese and fresh parsley. Perfect for a gourmet meal that combines sophisticated flavors with straightforward preparation.

  • Total Time: 60 minutes
  • Yield: 4 servings

Ingredients

Seafood

  • 300g peeled shrimp
  • 200g fresh scallops
  • 300g fresh mussels

Sauce

  • 1 finely chopped shallot
  • 15 cl dry white wine
  • 25 cl thick fresh cream
  • 20g unsalted butter
  • 1 level tablespoon flour
  • Salt to taste
  • Freshly ground pepper to taste
  • Portion of reserved mussel cooking juice (about 5 cl)

Topping

  • 100g grated cheese (such as Gruyère or Emmental)
  • Freshly chopped parsley for garnish

Instructions

  1. Clean the Mussels: Thoroughly wash the fresh mussels under cold water to remove any grit or debris.
  2. Cook Mussels: Fill a saucepan with one-third of the white wine (about 5 cl) and bring it to a boil. Add the mussels, cover with a lid, and cook for 5 to 7 minutes until all the shells have opened fully.
  3. Prepare Mussels: Carefully remove the mussels from their shells and place the meat into a bowl. Strain the cooking liquid through a fine sieve and set aside for later use in the sauce.
  4. Prepare Other Seafood: Rinse the peeled shrimp and fresh scallops under cold water, then pat dry thoroughly with paper towels.
  5. Make the Sauce Base: In a spacious pan, melt the unsalted butter over medium-low heat. Add the finely chopped shallot and sweat gently for 2 to 3 minutes, avoiding any browning to preserve delicate flavor.
  6. Deglaze and Reduce: Pour in the remaining white wine (about 10 cl), increase the heat slightly, and reduce the liquid by half to concentrate the flavors.
  7. Thicken the Sauce: Add the flour to the pan and stir vigorously for about one minute to cook out the raw flour taste.
  8. Add Cream and Stock: Gradually whisk in the thick fresh cream while stirring constantly to avoid lumps. Pour in a portion of the reserved mussel cooking juice to infuse the sauce with a maritime aroma.
  9. Season and Simmer: Add salt and freshly ground pepper to taste. Let the sauce simmer gently for 5 minutes until it thickens to a creamy consistency.
  10. Assemble the Gratin: Distribute the shrimp, scallops, and mussels evenly into individual porcelain ramekins or small gratin dishes.
  11. Pour Sauce Over Seafood: Generously spoon the creamy white wine sauce over the seafood in each ramekin.
  12. Add Cheese Topping: Sprinkle a thick layer of grated cheese evenly on top of each dish to ensure a golden crust after baking.
  13. Preheat Oven: Set oven temperature to 200°C (400°F) to prepare for gratinating.
  14. Bake the Gratin: Place the casseroles on a baking tray and bake in the preheated oven for 10 to 15 minutes, until the cheese topping is melted, bubbling, and golden brown.
  15. Garnish and Serve: Carefully remove the dishes from the oven and sprinkle freshly chopped parsley over the gratin just before serving to add a fresh aroma and color contrast.

Notes

  • Ensure mussels are fresh and discard any that do not open after cooking.
  • Use a good-quality dry white wine for the best flavor.
  • Gruyère or Emmental cheese works well for the gratin topping due to their melting and browning properties.
  • You can prepare the sauce ahead of time but add seafood just before baking to avoid overcooking.
  • Serve immediately for the best texture and taste.
  • Author: Maya
  • Prep Time: 20 minutes
  • Cook Time: 40 minutes
  • Category: Main Course
  • Method: Baking
  • Cuisine: French