Adapted from keyingredient.com
large box macaroni cooked, drained
large can evaporated milk
large onion chopped fine
cups grated Cheddar cheese - (12 oz)
can Cheddar cheese soup
Oil Slow cooker, mix all ingredients, using only 1/2 of the grated cheese. Put mixture in Slow cooker and put remaining cheese on top. Let simmer in Slow cooker for 4 or more hours. This recipe yields ?? servings.