Combine all ingredients in a large baggie and store in the refrigerator for about 3 hours.
Preheat grill to medium-high heat. Place chicken breasts on hot grill and top with a slice of lemon. Close grill lid and let cook for several minutes, only opening to flip over.
Cook until internal temperature of chicken is 165ยบ. Pull off grill and let rest for a few minutes then serve and enjoy!