In 6-quart Dutch oven, combine 1 1/2 pounds beef for stew, 1 1/2 pounds pork cubes, 2 cups chopped onions, 3 chopped green peppers, 1 (6 oz.) can tomato paste, 1/2 cup packed brown sugar, 1/4 cup cider vinegar, 1/4 cup chili powder, 2 teaspoons salt, 2 teaspoons Worcestershire sauce, 1 teaspoon dry mustard, 1 cup water.

Cover and simmer 3 hours. With wire whisk, stir mixture until meat is shredded. To serve, line 12 (6 inch) long hard rolls with lettuce leaves; fill with beef mixture, sprinkle with chopped tomato. Makes 12 sandwiches.