Preheat oven to 375˚F.
Mix the cream cheese, corn, green chiles, sour cream, green onions, and 1 ½ cup monterey jack cheese together until combined.
Lay the chicken breasts in a large casserole dish. Spread the cream cheese mixture over the top of the chicken and sprinkle remaining cheese evenly over the top.
Bake for 35-45 minutes or until chicken is cooked through (165˚F internal temp)
Garnish with cilantro and serve with your favorite side!
