Sloppy Joes 3 Pounds Hamburger 1 Cup Onion - Diced 1 Cup Green Pepper - Diced 1 1/2 Cup Ketchup 2 T Worcestershire Sauce 6 Ounce Can Tomato Paste 3/4 Cup Water 1/2 t Paprika 3 T Vinegar 3 T Brown Sugar 1 t Dry Mustard Brown ground beef in a skillet and break up into small pieces. Add to crockpot. Add the rest of the ingredients and mix well. Turn on low and cook for 8 hours. Serve on hamburger buns. Serves 8-10