1 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.4  Remove from grill, allow to sit for 2 or 3 minutes. 5  Pour on some BBQ sauce and serve. 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.