1Mash potatoes until smooth with the ingredients listed in the caption.
2Crush cornflakes and combine with paprika, garlic powder, onion powder, salt, and pepper.
3Dice chicken breast into 1 in (2.5 cm) cubes.
4Coat chicken in egg, then add to cornflake mixture in batches; cover and shake until evenly coated.
5Place chicken pieces on a lined baking sheet, spray with olive oil, and bake at 400°F for 15-18 minutes, flipping halfway.
6For the gravy, combine chicken broth, cornstarch, poultry seasoning or chicken salt, garlic powder, onion powder, black pepper, and salt in a hot pan and set aside once thickened.
7Remove the chicken pieces from the oven once they're golden brown and crispy.
8Layer mashed potatoes, chicken, corn, and gravy in containers.