Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1                    (16-oz.) can whole tomatoes
     1/2  tablespoon    Butter
     1/2  teaspoon      Salt
     1/2  teaspoon      Sugar
   1      tablespoon    Cornstarch
   1      tablespoon    Diced celery
   1      tablespoon    Diced onion

Preparation:

Bring all ingredients to a boil; reduce heat and simmer for 10 minutes or until mixture is of medium thickness.