Prep: 35 mins
Cook: 25 mins
Ingredients
50g butter or margarine, plus extra for greasing
1 onion, chopped
100g button mushrooms, sliced
40g plain flour
1 chicken stock cube or 500ml fresh chicken stock
pinch of nutmeg
pinch of mustard powder
250g cooked chicken, chopped
2 handfuls of a mixed pack of sweetcorn, peas, broccoli and carrots, or pick your favourites
2 large potatoes, sliced into rounds
knob of butter, melted
