01 -
Turn your oven on and heat it up to 350°F (175°C).
02 -
Mix together the corn, mayo, lime juice, sour cream, and chili powder in a big bowl. Stir it well until everything is combined.
03 -
Lay the chicken breasts in one layer inside a casserole dish. Sprinkle them evenly with garlic powder, salt, and cayenne if you're using it.
04 -
Spoon the corn mixture from the bowl and spread it evenly across the chicken.
05 -
Pop the uncovered dish in the oven. Let it bake for about 30 to 40 minutes, or until the chicken is 165°F (75°C) in the middle.
06 -
Take the dish out of the oven and top it with cilantro and queso fresco before you serve.