Step 1

Preheat the oven to 350 degrees F.

Step 2

Stir the mayonnaise, the garlic, the rosemary, the salt, and the pepper in a bowl.

Step 3

Place the chicken pieces in a 9x13-inch baking dish.

Step 4

Spread the mayo mixture over the chicken pieces.

Step 5

Top the chicken mixture with the parmesan.

Step 6

Bake until the juices run clear, the chicken pieces are no longer pink in the middle, and an instant-read thermometer inserted into the chicken breasts reads 165 degrees F, about 1 hour 10 minutes.

Step 7

Serve hot.