Beef And Bean Casserole
["3 lb. ground beef", "2 large onions", "4 cans (16 oz.) pork and beans", "1/2 (32 oz.) bottle ketchup", "1 c. sugar (half white and half brown)", "1 Tbsp. mustard", "1/2 c. water"]
["Brown ground beef with onions; drain grease.", "Add remaining ingredients.", "Bake at 350\u00b0 for 1 hour."]
["ground beef", "onions", "pork", "ketchup", "sugar", "mustard", "water"]