1 tsp. salt
1/2 tsp. mustard
1 tsp. chili powder
2 tsp. celery seed
1 tsp. garlic powder
1/2 c. water
1 c. ketchup
1/2 c. brown sugar
1/4 c. onions, diced fine
1 tbsp. vinegar

Mix all together, bring to a boil. Simmer 5 minutes.