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Crunchy fish gratin recipe

11 ratings

This crunchy fish gratin not only makes a quick and delicious weeknight supper but it’s healthy too. Topped with a combination of oats, cornflakes and three-seed mix, this easy dish is ideal for feeding a crowd. Use any combination of seafood that's available. See method

Serves 6
5 mins to prepare and 25 mins to cook
273 calories / serving
Healthy

Ingredients

2 x 240g bags baby spinach, wilted
280g boneless haddock fillets, skinned and cut into even chunks 
2 smoked mackerel fillets, skinned and torn into chunks
1 x 150g pack cooked and peeled king prawns
150g half-fat crème fraîche
50g fat-free fromage frais
1 tsp Dijon mustard
1 lemon, zested
2 tbsp chopped flat-leaf parsley
3 spring onions, chopped
2 tomatoes, sliced
30g porridge oats with oatbran and wheatbran 
10g cornflakes 
30g Cheddar, grated (optional)
2 tbsp toasted three-seed mix
boiled potatoes, to serve

If you don't have haddock, try using another white fish

Each serving contains

Energy
1145kj
273kcal 14%
Fat
15g 21%
Saturates
5g 25%
Sugars
3g 3%
Salt
2.3g 38%

of the reference intake
Carbohydrate 8.7g Protein 26.7g Fibre 2.7g

Method

Preheat the oven to gas 6, 200°C, fan 180°C. Arrange the wilted spinach, fish and prawns in a roasting tin. Mix together the crème fraîche, fromage frais, mustard, lemon zest, most of the chopped parsley and spring onions. Season, spoon over the fish and top with the tomato.
Mix together the oats, cornflakes, cheese, seeds, reserved parsley and remaining spring onions, then scatter over the fish. Bake for 20-25 mins, until golden and cooked through. Serve with boiled potatoes alongside.

See more Fish and seafood recipes