Preparation
Step 1
Place the chicken in slow cooker. In a small bowl, combine the tomato sauce, chiles, onion, chili powder, Worcestershire sauce and garlic powder; pour over chicken. Cover and cook on low until chicken is tender and juices run clear
Step 2
Remove the chicken. Shred meat with 2 forks and return to the slow cooker; heat through. Spoon 1/2 cup chicken mixture down the center of each tortilla. Top with cheese, salsa, lettuce, tomato and, if desired, sour cream; roll up.