Preheat oven to 425 degrees.

Line a baking 9 x 13 baking dish with foil and spray with non-stick cooking spray.

in a small skillet, cook garlic in oil for a minute until fragrant. Remove from heat and mix in the brown sugar.

Season chicken with salt and pepper and place in the prepared baking dish. Then cover with the garlic sugar mixture.

Bake at 425 degrees for 10 to 20 minutes depending on the size of the chicken breast. Cook until the juices run clear.