Holly'S Potato Soup
["6 to 8 medium potatoes", "1 medium onion (optional)", "1 tsp. salt", "1/2 lb. Velveeta cheese, cubed (do not substitute)", "pepper to taste", "1 stalk celery, chopped"]
["Peel and dice potatoes (leave chunky).", "Chop onion and celery. Place in a 2-quart heavy saucepan.", "Add water barely to top of potatoes.", "Simmer until soft but not mushy.", "Add cheese; stir until melted.", "Add pepper to taste.", "Serves 6 to 8."]
["potatoes", "onion", "salt", "Velveeta cheese", "pepper", "celery"]