Ingredients

1 4-5 pound lean arm roast
1 small onion, chopped
salt and pepper, to taste
16 Ounce catsup
1 bottle 7-Up liter

Instructions

Place meat in roasting pan; sprinkle with salt, pepper and chopped onion. Pour catsup and 7-Up over all and mix slightly. Cover and bake at 325 degrees for 4 hours. Uncover and bake 1 hour longer. Remove from oven and remove any bones and fat. Stir meat with a fork to break up. Serve with buns. (This may also be prepared in a slow cooker.)