Barbecued beef sandwiches

6 servings

1½ pounds ground beef
1 cup chopped onion
1 cup chopped celery
1 can (8 ounces) spanish-style tomato sauce
¼ cup catsup
2 tablespoons brown sugar, packed
2 tablespoons vinegar
2 tablespoons barbecue sauce
1 tablespoon worcestershire sauce
1 tablespoon prepared mustard
2 teaspoons salt
Pepper, as desired
6 hamburger buns

Crumble beef into saucepan and brown lightly. Drain off excess fat. Mix in onion and celery. Combine tomato sauce, catsup, brown sugar, vinegar, barbecue sauce, and seasonings. Pour over meat, cover pan, and simmer barbecue 1½ to 2 hours, or until flavors are well blended.

Spoon beef mixture over buns.