Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      large   box   macaroni -- cooked and drained
   2      tablespoons   oil
   2      sticks        margarine
   1      large   can   evaporated milk
   1 1/2  cups          milk
   1      large         onion -- chopped fine
   3      cups          cheddar cheese -- grated
   1      can           cheddar cheese soup

Preparation:

Oil crock pot, mix all ingredients, using only 1/2 of grated cheese. Put mixture in crock pot and put remaining cheese on top. Let simmer in crock pot for 4 or more hours.