Preheat the oven to 375 degrees F. Grease a glass 9x13 pan with cooking spray.
Add the bread crumbs, Romano cheese, garlic powder and pepper to a dinner plate or small mixing bowl. Toss with a fork to combine.
Use a fork to place one plain chicken breast at a time in the bread-crumb mixture. Bread both sides of the chicken, patting down the crumbs on the chicken with the back of the fork. Transfer the breaded chicken to the greased pan.
Place two tablespoons of pesto on each chicken breast, spooning it along the whole surface. Bake, uncovered, for 25-30 minutes or until the internal temperature reaches 165 degrees F. Remove the pan of chicken from the oven and loosely cover it with foil. Let the chicken rest for 5-10 minutes before serving it.
Refrigerate leftovers for up to four days. You also could freeze the pesto chicken in a zip-top freezer bag and use it within three months for best quality.
Notes
If you're starting with seasoned Italian bread crumbs, you can reduce the garlic powder and pepper in this recipe.
There is no salt called for because the pesto and Pecorino should be salty enough. However, you may need to add salt when serving if the pesto isn't salty enough or if you substituted Parmesan for the Pecorino.
I prefer using a glass pan for juicier chicken breasts, but a porcelain baking dish also should work well.
For a Single Serving: For one chicken breast, use 1 Tablespoon of plain bread crumbs, ½ Tablespoon of Pecorino Romano, ¼ teaspoon garlic powder, ⅛ teaspoon pepper and 2 Tablespoons of pesto.