Step 1

Stir the chicken, potatoes, carrots and celery in a 6-quart slow cooker.

Step 2

Stir the soup, water, thyme and black pepper in a medium bowl. Pour the soup mixture over the chicken and vegetables.

Step 3

Cover and cook on LOW for 7 to 8 hours or until the chicken is cooked through.

Step 4

Stir the baking mix and milk in a medium bowl.

Step 5

Drop the batter by spoonfuls onto the chicken mixture.

Step 6

Increase the heat to HIGH. Tilt the lid to vent and cook for 30 minutes or until the dumplings are cooked in the center.