Creamy Cheesy Potato Soup
["8 to 10 large potatoes, peeled, washed and cut into medium chunks", "1 c. celery, diced", "1 large onion, diced", "1 can cream of mushroom soup", "1/4 lb. Velveeta cheese", "1 1/2 c. milk", "1/2 stick margarine", "salt and pepper to taste"]
["Cover potatoes, celery and onion with water.", "Salt and pepper to taste.", "Cover and cook on medium-high heat until potatoes are tender.", "Reduce heat to low and add soup, cheese, milk and margarine.", "Simmer until cheese has melted, stirring occasionally."]
["potatoes", "celery", "onion", "cream of mushroom soup", "Velveeta cheese", "milk", "margarine", "salt"]