Hamburger Sauce
["4 Tbsp. brown sugar", "4 Tbsp. vinegar", "1 Tbsp. dry mustard", "1 (32 oz.) bottle catsup", "green pepper, chopped", "celery, chopped", "onion, chopped"]
["Mix all together; warm up in a kettle.", "Pour over 20 hamburger patties in a pan; put in the oven at 350\u00b0 for 45 minutes to 1 hour, or until hamburgers are done."]
["brown sugar", "vinegar", "mustard", "catsup", "green pepper", "celery", "onion"]