Preheat oven to 350 degrees
Rinse chicken breasts pieces
Spray a 13x9 inch baking dish
In a shallow bowl or pie plate combine corn flake crumbs, ranch dressing mix, and cheese.
In a bowl add melted butter
Dip chicken in melted butter and then roll into the cheese mixture
Place chicken in the baking dish
Once all pieces are coated if theres any leftover butter or cheese mixture I add it to the chicken
Bake uncovered in a 350 degree oven for 45 minutes or until juices run clear.