1/2 cup Ketchup
2 T. brown sugar
1 T. vinegar
1 tsp. yellow mustard (prepared)
2 T. Worcestershire sauce
1 lb. ground chuck
1/2 cup chopped green bell pepper
1/2 cup finely chopped celery
1/4 cup chopped onion
In saucepan, combine first 5 ingredients. Bring to boil, reduce heat and simmer 1/2 hour.
In frying pan, brown ground chuck. Add vegetables and sauté until vegetables are tender. Pour sauce over meat mix and simmer 5 minutes.
Serve on hamburger buns.