New England Clam Chowder
["2 tsp. margarine", "1/2 c. chopped onion", "6 oz. pared, cubed potatoes (reserve liquid)", "1/4 c. clam liquid", "3/4 c. water", "1 c. skim milk", "dash of salt and pepper"]
["Saute onion in margarine.", "Add the rest of the ingredients except milk and clams.", "Cook until potatoes are tender.", "Add clams and milk, then heat thoroughly.", "Serve."]
["margarine", "onion", "pared", "clam liquid", "water", "milk", "salt"]