1 tsp ground dried coriander
2 onions, finely chopped
1 tsp ground black pepper
1 tsp mace
1 tsp nutmeg
225g/8oz oatmeal
1 tbsp salt
stock from lungs and trimmings
water, enough to cook the haggis
heart and lungs of one lamb
450g/1lb beef or lamb trimmings, fat and lean