1 1/2 lb. ground beef
1 lg. onion, chopped
3 tbsp. Worcestershire sauce
2 tbsp. brown sugar
1 c. chopped celery
1 tbsp. vinegar
1 tsp. dry mustard
1 reg. bottle ketchup

Brown beef and drain. Thoroughly combine the remaining ingredients with the beef and simmer for 1 hour. Let set awhile and then reheat.