1 med. onion, chopped fine
2 tbsp. butter
2 tbsp. vinegar
4 tbsp. lemon juice
2 tsp. brown sugar
1/2 tsp. pepper
1 c. catsup
3 tbsp. Worcestershire sauce
1/2 tsp. dry mustard
1 c. water
1 tsp. celery salt
2 tsp. oil

Mix all ingredients together. Simmer for one hour.