1 tsp. butter
1 tbsp. chopped onion
1/2 c. vinegar
1 c. brown sugar
1 sm. bottle catsup
1 c. water
1 tsp. barbecue spice
1 tsp. celery salt

Brown onion in butter. Then add other ingredients. Simmer about 15 minutes. Put in jar and store in ice box until needed.