Creamy Baked Fish Fillet Gratin
Tender white fish fillets baked to perfection and smothered in a velvety cream sauce, then finished with a bubbling golden cheese gratin. A comforting, crowd-pleasing dish that comes together in under an hour with minimal effort.
🛒 Ingredients
4 servings
- 400 g white fish fillets (cod, haddock or pollock)
- 1 medium onion, finely sliced
- 1 tablespoon butter
- 1 tablespoon olive oil
- 1 teaspoon salt
- 200 ml heavy cream
- 100 g cream cheese
- 50 g grated gruyère or cheddar
- Black pepper to taste
- 1 sprig fresh thyme
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Directions
- 1
Preheat the oven to 180 °C (350 °F). Grease a baking dish with olive oil.
- 2
Season the fish fillets with salt, pepper and sliced onion. Dot the tops with small pieces of butter.
- 3
Bake for 20 minutes until the fish is just cooked through.
- 4
Meanwhile, warm the heavy cream in a small saucepan over low heat. Stir in the cream cheese until you get a smooth, silky sauce. Season with salt, pepper and thyme.
- 5
Pour the cream sauce evenly over the baked fish and sprinkle with grated cheese.
- 6
Return to the oven for 15 minutes until the topping is golden and bubbling. Serve immediately.
💡 Chef's Tip
Firm white fish like cod or haddock holds together best during baking. A pinch of nutmeg in the cream sauce adds wonderful depth of flavour.
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