Omi'S Spaghetti Sauce
["1/2 c. chopped onion", "1/4 c. margarine", "2 Tbsp. flour", "1/2 c. water", "1 small can tomato paste"]
["Saute chopped onion in margarine.", "Add flour to make paste. Add water and tomato paste.", "Stir and add additional water until you have a sauce the consistency you like.", "Serve over rigatoni or large macaroni shells.", "Sauce serves 4 to 6 people."]
["onion", "margarine", "flour", "water", "tomato paste"]