1 bottle (24 oz.) ketchup
1/2 c. sugar
2 tbsp. Worcestershire sauce
2 tsp. chili powder
1 med. onion, chopped
1/4 to 1/2 tsp. garlic salt
1/2 c. tarragon vinegar

Blend all ingredients in blender. Add ketchup after everything else is blended well. Heat and serve.