Combine soup and mayonnaise in a large bowl. Add seasoning pkg from stuffing mix and 3/4c stuffing crumbs. Add chicken and mix well. Place in Dutch oven and top with remaining crumbs. Bake at 350 for 30 min or until bubbly and crumbs are brown. Variation: Substitute 1 can Golden Mushroom soup for Cream of Chicken soup. Add shredded cheddar cheese in soup mixture or sprinkle on top.