1 lb Calf's feet or soup bones 2 tb Oil or butter 5 lb Yellow onions - peeled and roughly chopped 2 tb Minced garlic 1/4 ts Ground mace 4 c Chicken stock or water 4 Bay leaves Salt and pepper -- to taste PLACE BONES, oil and onions in a large pot and place over low heat. Cook, stirring, until the onions change color from light to dark, about 1 hour. Add garlic, mace, stock, bay leaves, salt and pepper. Cover and simmer for 45 minutes. Remove the bones and bay leaves and serve the soup.