Combine ingredients in small saucepan; cover and simmer for 30 minutes. Let cool. Then, puree in blender or food processor.
The sauce is great on chicken or ribs or even as a zesty dressing for burgers!
1 cup prepared barbecue sauce
1 1/2 cups California Raisins
1 cup husked and chopped tomatillos
1/2 cup lime juice
1/2 cup water
1/3 cup chopped onions
1/4 teaspoon ground cinnamon
1 or 2 chipotle chiles, canned in adobo, minced, and sauce, to taste.