10 lb. hamburger
1 lb. onion, chopped
5 c. ketchup
2 Tbsp. chili powder
4 Tbsp. salt (or less)
2 tsp. pepper
1 c. vinegar
1/2 c. sugar
4 tsp. dry mustard
3 c. chopped celery
Simmer slowly until everything is tender.
Should fill 100 hamburger buns.