Step 1

1 Place chicken breasts in slow cooker; sprinkle with salt and pepper.

Step 2

2 In 1-quart saucepan, melt butter over medium heat. Beat in flour with whisk. Cook 1 minute, beating constantly. Beat in chicken broth, milk and Worcestershire sauce. Continue cooking about 3 minutes or until mixture is thickened. Pour mixture over chicken. Cover and cook on High heat setting 2 hours or Low heat setting 4 hours or until chicken is tender and cooked through.

Step 3

3 Shred chicken; stir in sour cream. Cover and cook on High heat setting 10 minutes.

Step 4

4 Meanwhile, heat olive oil in 6-inch skillet over medium heat. Stir in mushrooms and onions; cook about 10 minutes or until fork-tender. Stir mushrooms and onions into chicken mixture; serve over cooked egg noodles.

Step 5

5 Sprinkle with parsley just before serving.