Cod au Gratin
Fresh cod baked in a creamy sauce under a golden breadcrumb and cheese topping.

- Prep
- 20 min
- Cook
- 30 min
- Total
- 50 min
- Servings
- 4
- Difficulty
- Medium
- Calories
- 460 kcal
Equipment
- •Baking dish
- •Saucepan
- •Whisk
Nutrition
Per serving, approximate
- Calories
- 460 kcal
- fat
- 26 g
- carbs
- 18 g
- protein
- 36 g
- calories
- 460
Instructions
- 1
Preheat the oven to 190C (375F). Lay the cod fillets in a buttered baking dish and season lightly.
- 2
Melt butter in a saucepan, whisk in flour and cook 1 minute, then gradually whisk in milk to make a smooth sauce.
- 3
Simmer the sauce, stirring, until thickened, then stir in half the cheddar until melted.
- 4
Pour the cheese sauce over the cod fillets.
- 5
Mix breadcrumbs with the remaining cheddar and scatter over the top.
- 6
Bake for 20-25 minutes until the fish is cooked through and the top is golden.
- 7
Rest 5 minutes before serving.
Chef's tips
Pat the cod dry before baking so the sauce does not become watery from released fish liquid.
Ingredient substitutions
- cheddar → a mix of cheddar and parmesan for extra crust
- milk → half milk, half cream for a richer sauce
Storage
Keeps 2 days covered in the fridge.
Reheating
Reheat covered in a moderate oven until warmed through.
Common mistakes to avoid
- •Using thin fillets that overcook before the topping browns
- •Making the sauce too thin so the dish turns watery
Serving suggestions
Cooked Cod au Gratin?
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