Luxurious Prawn Thermidor: A Simplified French Classic

1 hour

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4.25 from 4 votes

About Luxurious Prawn Thermidor: A Simplified French Classic

Experience pure decadence with this simplified Prawn Thermidor, a luxurious twist on a French classic. Transform ordinary prawns into an elegant, restaurant-quality meal perfect for any special occasion – or just a delightful weeknight treat.
Succulent steamed prawns are brimming with a rich and creamy filling, featuring their own flavorful "brain cream," sautéed aromatics, and a touch of Parmesan. Baked until golden and bubbling, each bite is a feast for the senses.
Pair these exquisite prawns with creamy baked mashed potatoes for a truly unforgettable dining experience. You'll be amazed at how easily you can create this impressive dish!
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Recipe Time & More

Prep30 minutes
Cook30 minutes
Total1 hour
Calories186 kcal
Serves2

Ingredients
 

Prawns

Aromatics

Sauce

Seasoning

  • 1 tbsp Pepper black, freshly crushed
  • 1 1/2 tsp Salt or to taste
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Instructions
 

  • Devein the prawns by making a deep cut lengthwise along the outer curve of each prawn's body. Keep the shell on. Use a sharp knife or kitchen shears to locate and remove the dark vein.
  • Remove the black sandbag from the head of each prawn. Make a small cut on top of the head and gently pull out the sandbag.
  • Butterfly the prawns by flattening them gently. Carefully rinse the prawns under cold water, preserving the soft orange 'brain cream' located under the head shell. Pat the prawns dry.
  • Carefully scoop out the brain cream from the prawn heads and set aside. This flavorful cream will enrich the thermidor sauce.
    Luxurious Prawn Thermidor: A Simplified French Classic - Plattershare - Recipes, food stories and food lovers
  • Lightly salt the prawns. Steam them until the shells turn pink and the prawn meat is opaque, about 5-7 minutes. This ensures the prawns are perfectly cooked before baking.
    Luxurious Prawn Thermidor: A Simplified French Classic - Plattershare - Recipes, food stories and food lovers
  • Let the prawns cool slightly. Gently remove the meat from the shells, taking care not to damage them. Coarsely chop the prawn meat.
    Luxurious Prawn Thermidor: A Simplified French Classic - Plattershare - Recipes, food stories and food lovers
  • Finely chop the spring onions.
    Luxurious Prawn Thermidor: A Simplified French Classic - Plattershare - Recipes, food stories and food lovers
  • Melt the butter in a pan over medium heat. Add the minced garlic and chopped spring onions. Sauté until translucent, about 3-5 minutes. This builds a flavorful base for the sauce.
    Luxurious Prawn Thermidor: A Simplified French Classic - Plattershare - Recipes, food stories and food lovers
  • Add the chopped prawn meat and reserved brain cream to the pan. Stir in the lemon juice, black pepper, and mustard seeds. Cook until heated through.
    Luxurious Prawn Thermidor: A Simplified French Classic - Plattershare - Recipes, food stories and food lovers
  • Pour in the heavy cream and bring to a simmer. Reduce the heat to low and stir in the grated Parmesan cheese. Season with salt to taste. The thermidor filling is now ready.
    Luxurious Prawn Thermidor: A Simplified French Classic - Plattershare - Recipes, food stories and food lovers
  • Spoon the thermidor filling evenly into the reserved prawn shells. For a crusty finish, sprinkle with breadcrumbs. Bake in a preheated oven or air fryer at 375°F (190°C) for 10 minutes, or until golden brown and heated through.
    Luxurious Prawn Thermidor: A Simplified French Classic - Plattershare - Recipes, food stories and food lovers
  • Serve the Prawn Thermidor immediately. Garnish with a dollop of fresh cream and chopped spring onion greens for an elegant presentation.

Recipe Notes

Good To Know

  • If using giant prawns with intact shells, save and clean them to use as serving vessels for an impressive presentation.
  • For extra flavor, lightly sauté the prawn shells and heads in butter before starting the sauce. Strain and add this butter to the final mixture for a richer seafood flavor.
  • For a lighter version, substitute half of the cream with Greek yogurt or crème fraîche for tanginess and a lighter mouthfeel.
  • After assembling, broil the dish for 2-3 minutes to brown the parmesan and create a golden crust.

Expert Tips

  • For a spicier Thermidor, add a pinch of cayenne pepper or a few drops of hot sauce to the sauce.
  • Ensure your prawns are cooked through but not overcooked, as they will become rubbery. They should be opaque and pink.
  • Serve the Thermidor immediately with crusty bread or rice to soak up the delicious sauce.

Storage Instructions

  • Refrigerate leftovers in an airtight container for up to 3 days. Reheat gently in a low oven or on the stovetop, avoiding boiling.
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4.25 from 4 votes

Recipe Nutrition

Calories: 186kcalCarbohydrates: 8gProtein: 6gFat: 15gSaturated Fat: 7gPolyunsaturated Fat: 2.4gMonounsaturated Fat: 4.8gCholesterol: 1mgSodium: 1710mgFiber: 1gSugar: 3g

Reena Mukherjee
Reena Mukherjee
Articles: 12
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4.25 from 4 votes

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