Saute the chopped onions well in butter. Add the mutton pieces into it and saute until the meat become reddish brown. Add 3 cups of water and cook it by transferring the contents into a pressure cooker. When it is done strain the soup.
To remove the fat strain 2-3 times through a wt piece of cloth.
Remove the yolk of the egg. Beat the egg white with a fork. Boil the soup. Add the beaten egg white into it. Stir continuously while adding the egg. Add salt and pepper powder. Remove from fire. Serve hot with bread croutons.
