Quick Tangy Sloppy Joes

Directions

1. In a large cast-iron or other heavy skillet, cook and stir beef, onion, red pepper and celery over medium heat until meat is no longer pink and vegetables are crisp-tender; drain.
2. In a small bowl, combine the ketchup, vinegar, chili powder, Worcestershire sauce, sugar and salt; stir into beef mixture. Simmer, uncovered, for 10 minutes, stirring occasionally. Serve on buns.