Golden-Topped Creamy Seafood Pasta Gratin
Mixed seafood and pasta baked in a creamy white sauce with soft leeks under a crunchy panko and parmesan topping.

Mixed seafood and pasta baked in a creamy white sauce with soft leeks, then covered with a crunchy panko and parmesan topping. It is an easy, elegant bake that makes a store-bought seafood mix feel special.


Golden-Topped Creamy Seafood Pasta Gratin
Mixed seafood and pasta baked in a creamy white sauce with soft leeks under a crunchy panko and parmesan topping.
Ingredients
Tick the ingredients as you go
White sauce
Topping
Instructions
- 1
Heat the oven to 180°C / 350°F.
- 2
Cook the pasta according to the packet, drain, and tip it into the baking dish.
- 3
Heat 1 tbsp of the oil in a skillet over very high heat and sear the seafood for 30 seconds per side, leaving it raw in the middle. Transfer to the baking dish.

- 4
Lower the heat to medium, add the remaining 1/2 tbsp oil, and cook the leeks and garlic for about 3 minutes until soft. Add them to the dish.
- 5
Toss the pasta, seafood and leeks together in the dish.
- 6
Melt the butter in the same skillet, stir in the flour, and cook for 1 minute.
- 7
Whisk in 1 cup of the milk until thick, then add the rest of the milk and the crumbled bouillon cube. Keep whisking for about 5 minutes, until the sauce coats the back of a wooden spoon. Season with salt and pepper.

- 8
Pour the sauce over the pasta mixture and scatter the panko and parmesan on top.

- 9
Bake for 20-25 minutes, until golden on top.
- 10
Let it rest for 5 minutes and sprinkle with parsley if you like.
- 11
Serve with garlic spinach (see notes).
Tips & tricks
- Equipment: baking dish.
- Use a store-bought marinara seafood mix (fish, calamari, prawns, mussels) or any seafood you like. Look for plump fish pieces and fresh-looking prawns.
- Garlic spinach: warm 2 tbsp olive oil with 2 minced garlic cloves in a large skillet. Once the garlic turns golden, add 2 small bunches of English spinach (stems removed) and toss just until wilted. Serve straight away.
- Richer variation: make the sauce with 1 1/2 cups milk, 1/4 cup cream and 1 1/2 cups homemade seafood broth, simmering it longer to thicken. For the broth, simmer 1.5 kg fish heads and bones (no gills, no oily fish), 1.5 L water, 1/2 onion, 1 celery stalk, 1 carrot, 1 tsp peppercorns and 1 bay leaf for 45 minutes, until reduced by about two-thirds, then strain to get about 2 1/2 cups.
Nutrition (per serving)
- Calories
- 514
- Fat
- 17.5 g
- Saturated fat
- 8.1 g
- Carbs
- 56.9 g
- Sugar
- 9.1 g
- Fiber
- 2.8 g
- Protein
- 33.2 g
- Sodium
- 448 mg
- Serving size
- 339 g
Estimate per 339 g serving, calculated on 5 servings. Values are approximate.
Fresh & Fusion · https://freshfusion.hett-ayoub-b.workers.dev/recipes/golden-topped-creamy-seafood-pasta-gratin
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