Ingredients
125g/4oz spring onions, chopped, or 40g/1½oz chives, chopped
300ml/10fl oz milk
6-8 potatoes
salt and pepper
75g/3oz butter

Method
1. If using onions, simmer these in the milk until soft.
2. Boil the potatoes in salted water until just cooked, then mash.
3. Add the onions and their milk and the chives, if used, together with the milk which you have heated separately.
4. Season to taste with salt and pepper. Let the butter melt over the finished dish.