In a small saucepan, combine the first 10 ingredients. Bring to a boil over medium heat. Reduce heat; simmer, uncovered, for 10 minutes or until sauce is reduced to 2 cups. Set aside.
Cut ribs into five serving-size pieces; sprinkle with salt and pepper. Place in a 5- or 6-qt. slow cooker. Pour sauce over ribs. Cover and cook on low for 6-8 hours or until meat is tender. Serve with sauce.