2 large/3 medium King Edward potatoes, scrubbed
1 tbsp roughly chopped mint leaves
sea salt and freshly ground black pepper
4 tbsp rapeseed oil
130驳/4陆辞锄 gluten-free flour
50g/1戮oz half-fat cr猫me fra卯che
4 x 175g/6oz boneless skinless haddock fillet
320g/11oz frozen peas