Combine the chicken in a bowl with the olive oil, garlic powder, basil and salt. Let it marinate for about 10 minutes at room temperature.
Preheat a grill to medium high.
Remove the chicken from the marinade, letting excess marinade drip back into the bowl. Place the chicken on the grill,
Grill the chicken for about 6 minutes on one side, then turn over to finish grilling for another 6 minutes or so. Check the chicken for doneness after 12 minutes of total grilling. Remove chicken if done, or grill for a few more minutes to finish cooking if needed.