Sloppy Joes - 4 lbs. hamburger, 1 cup onion, chopped; 14 oz. bottle catsup, 1 cup water, 2 T. brown sugar; 1 T. worcestershire; 1 T. salt; 2 t. vinegar; 1 t. mustard. Brown hamburger and onions. Drain. Add rest of ingredients and simmer. Spoon onto buns. This freezes well before or if you have leftovers. Serves 20-24. You could keep it warm in a crock pot. Can either be served on buns or as a topping for baked potatoes.