Quick fish gratin

Quick fish gratin

This simple and tasty fish gratin is so easy to make and really quick to prepare. It’s also great for a low-calorie diet.

Each serving provides 446 kcal, 43g protein, 39.5g carbohydrates (of which 8g sugars), 12g fat (of which 4.5g saturates), 3.5g fibre and 1.5g salt.


  • 20g/¾oz cornflour
  • 300ml/10fl oz semi-skimmed milk
  • 300g/10½oz mixed fish, including smoked haddock, cod and salmon, thawed if frozen
  • 50g/1¾oz baby spinach leaves
  • ½ small lemon, finely grated zest only (optional)
  • 1 thin slice white or brown bread
  • 15g/½oz Parmesan, finely grated
  • sea salt and freshly ground black pepper
  • 100g/3½oz frozen peas, to serve