Melt the fat or heat the oil in a large frying pan. Add the onion and cook until soft and golden. Add the oatmeal and mix in well. Cook for about 5 minutes, stirring frequently. Add the stock and allow it to be absorbed by the oatmeal. Seaon well and serve with light creamy mashed potatoes.
Skirlie may also be used as a stuffing for any kind of game bird or poultry. It is also a very good accompaniment to rich meaty and gamy stews.