1 lb. hamburger
1/2 c. chopped celery
1 chopped onion
1 c. ketchup
2 tbsp. brown sugar
Salt and pepper to taste
12 tbsp. vinegar
2 tbsp. lemon juice (optional)
1/2 tsp. mustard

Brown hamburger and add celery and onion. Cook until tender. Drain. Add rest of ingredients and cook until hot through.