squeeze lemon juice
large bunch of parsley, leaves only, finely chopped
30g/1oz plain flour
pinch freshly grated nutmeg
salt and white pepper
55g/2oz butter, plus extra for greasing
85g/3oz butter
4 hard-boiled eggs, shells removed, quartered
570ml/1 pint milk
150ml/录 pint single cream
splash of single cream, to taste
225g/8oz skinless, boneless haddock fillet
450g/1lb salmon, cut from the tail piece, skinless and boneless