Combine the soup and sour cream in a bowl and set aside.

In another bowl mix together cracker crumbs and melted butter.

Place chicken in slow cooker that has been sprayed lightly with non stick cooking spray.

Spoon the soup mixture over the chicken and sprinkle cracker crumbs on top.

Cover and cook on low for 6-7 hours or high for 4-5 hours.

Garnish with parsley before serving.