01 -
Preheat oven to 190°C.
02 -
Slice each chicken breast in half horizontally. Place between sheets of parchment paper and flatten to an even thickness using a meat mallet or rolling pin.
03 -
For extra tenderness, marinate the chicken in buttermilk for at least 30 minutes or overnight in the refrigerator.
04 -
Arrange flattened chicken pieces in a single layer in a baking dish.
05 -
In a bowl, combine mayonnaise or Greek yogurt, 50 grams of Parmesan, salt, pepper, and garlic powder. Mix until smooth.
06 -
Spread the mixture evenly over each chicken piece.
07 -
Sprinkle the remaining 50 grams of Parmesan cheese evenly over the coated chicken.
08 -
Bake uncovered for 45 minutes, or until the topping is golden and bubbling, and the chicken is cooked through.