This recipe is from Better homes and Gardens. It is really yummy and you can store it in an old jar and use it later too.
1 large yellow onion, chopped
4 cloves garlic, chopped
1 12-oz. can Dr. Pepper
1 cup Ketchup
1/2 cup packed brown sugar
1/2 cup cider vinegar
1/3 cup Worcestershire sauce
3 Tbsp. tomato paste
2 tsp. ancho chilli powder
1 tsp. ground pepper
1 tsp. salt
1. For sauce, in medium sauce pan cook and stir onion and garlic in hot butter over medium heat about 10 minutes until onions are tender. Add all ingredients. Reduce heat. Simmer, covered 15 min. Cook, uncovered, until sauce begins to thicken, 20 to 30 minutes. Remove from heat 10 minutes.
2. Puree sauce in pan with blender, cover, and blend until smooth.