Husband Pleasin' Beans
["1 lb. ground beef", "2 medium onions, chopped", "1/2 stick margarine", "3 (15 oz.) cans Ranch style beans", "2 (16 oz.) cans pork and beans", "1/4 c. prepared mustard", "1/4 c. maple syrup", "1/2 c. brown sugar", "1 c. ketchup"]
["Brown beef and onions in margarine and combine with remaining ingredients.", "Refrigerate overnight.", "Bake at 300\u00b0 for 1 1/2 hours."]
["ground beef", "onions", "margarine", "beans", "pork", "prepared mustard", "maple syrup", "brown sugar", "ketchup"]