Step 1

Grease the inside of a slow cooker.

Step 2

Pour the onions into the slow cooker.

Step 3

Place the chicken breasts in a single layer on top of the onions.

Step 4

In a mixing bowl, add the cream of chicken soup, the gravy mix, the water, the sage, the pepper, and the parsley, whisking well to combine.

Step 5

Pour the soup mixture over the chicken in the slow cooker.

Step 6

Cover the slow cooker and cook until the chicken is cooked through and tender, about 5 hours on low heat.

Step 7

Stir the mixture well, breaking the chicken apart as you stir.

Step 8

Serve with the mashed potatoes.