Step 1

Spray a slow cooker with nonstick cooking spray.

Step 2

Place the chicken breasts on the bottom of the slow cooker.

Step 3

Cover the chicken with the slices of Swiss cheese.

Step 4

In a small bowl, combine the cream of chicken soup and the milk.

Step 5

Pour the soup mixture over the chicken and the cheese.

Step 6

Sprinkle the stuffing mix over the mixture and then drizzle the melted butter over the top.

Step 7

Cover and cook until the chicken breasts are tender and cooked through, about 4-6 hours on low or 2-3 hours on high.

Step 8

Serve.