Preheat oven to 350°F degrees.
Grease baking dish with cooking spray.
Cut chicken into small bite-sized pieces.
Season chicken with salt and pepper.
Mix stuffing with hot chicken broth.
Spread chicken in prepared baking dish.
Add frozen vegetables over chicken layer.
Pour cream soup over vegetables evenly.
Top with prepared stuffing mixture completely.
Drizzle melted butter over stuffing top.
Cover dish tightly with aluminum foil.
Bake covered for 45 minutes total.
Remove foil for last 10 minutes.
Let rest 5 minutes before serving.