about 4 lb. potatoes, peeled and cubed
1 large can evaporated milk
1 medium onion, chopped
1 large jar Cheez Whiz
salt and pepper to taste

Cook potatoes and onions in large pot until almost done. Mix evaporated milk, 1 can of water and Cheez Whiz. Cook until cheese is melted. Add to potatoes and onions; salt and pepper. Stir well. Simmer for 15 to 20 minutes.