1/2 c. catsup
1/4 c. vinegar
2 tbsp. chopped onion
1 tbsp. Worcestershire sauce
2 tbsp. packed brown sugar
1/4 tsp. dry mustard
1/2 to 1 tsp. garlic powder

Heat all ingredients to boiling over medium heat, stirring constantly. Reduce heat. Simmer uncovered stirring occasionally. About 15 minutes.