Barbecue Beef Sandwich

          2 sandwiches 406 calories per sandwich

          Regular ground beef                     1/2 pound
          Tomato puree                            1/3 cup
          Onion, chopped                          1/4 cup
          Vinegar                                 2 tablespoons
          Sugar                                   2 teaspoons
          Dry mustard                             1/4 teaspoon
          Pepper                                  dash
          Hamburger rolls                         2

               1. Cook beef until lightly browned. Drain fat.
               2. Mix in remaining ingredients except hamburger rolls.
               3. Cover and cook over low heat for 20 minutes to blend
                  flavors. Stir occasionally.
               4. Spoon mixture onto bottom halves of rolls (about 1/2
                  cup per sandwich). Cover with top halves.