Crock Pot Mac N Cheese - cooking recipe

Ingredients

1 (8 ounce) box macaroni, cooked and drained
2 tablespoons oil
1 (13 ounce) can evaporated milk
3 cups shredded cheese
1/4 cup melted butter

Preparation

Mix all. Put in Ziploc. When time to serve, thaw and put in crock pot for 3-4 hours on low.