Crockpot Macaroni and Cheese

Provided by Carol Myers

8 ounces of macaroni, cooked
2 tbs oil
13 ounces of evaporated milk (fat free is ok)
1 1/2 cups of milk
1 tsp salt
3 cups of shredded cheese (cheddar, american, Velveeta, or a combination)
3 tbs melted butter
2 tbs onion, chopped fine
4 hot dogs (optional)

In slow cooker, toss cooked macaroni in oil.  Stir in remaining ingredients except hot dogs.  Cover and cook on low for 2 to 3 hours.  Add hot dogs if desired, and cook for another hour.