Gratin de Poisson aux Poireaux (Fish and Leek Gratin, French Home-Style)
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Ingredients
- 500 g cod loins
- 3 leeks, sliced
- 200 ml double cream
- 100 ml milk
- 80 g gruyère cheese, grated
- 25 g unsalted butter
Nutrition (per serving)
- Calories
- 492 kcal
- Protein
- 32.1 g
- Carbohydrate
- 6 g
- of which sugars
- 5.2 g
- Fat
- 37.3 g
- of which saturates
- 22.4 g
- Fibre
- 2.5 g
- Salt
- 0.48 g
Estimated from typical values for each ingredient — a guide, not a substitute for the label on what you actually buy.
Method
- 1
Heat the oven to 190C (170C fan, gas 5) and butter a gratin dish.
- 2
Melt the butter in a pan and cook the leeks for 10 minutes until soft.
- 3
Cut the cod into large chunks and scatter over the base of the gratin dish, then top with the leeks.
- 4
Mix the double cream and milk and pour over, then scatter with the gruyère cheese.
- 5
Bake for 25-30 minutes until the fish is cooked through and the top is golden and bubbling.

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