Melt dripping in a pan and add chopped onion. Cook for a couple of minutes, then add the minced steak. Brown steak, beating it well with a fork to keep free from lumps. Add the stock and about a teaspoonful of salt and pepper to taste. Simmer for 1 hour, then add a handful of breadcrumbs or, for variation, a handful of oatmeal. Cook for a few minutes more. Serve with mashed potatoes and buttered carrots. Serves 4