Directions. 1  Brush chicken breast with olive oil on both sides. 2  season with garlic powder, seasoned salt and pepper. 3  Preheat grill on medium heat. 4  Place seasoned breasts on the grill, close the lid and set a timer for 4 minutes. Preheat grill on medium heat. 2  Place seasoned breasts on the grill, close the lid and set a timer for 4 minutes. 3  After 4 minutes, flip the chicken breast, close the lid again and set timer for another 4 minutes.