Combine all ingredients (except chicken) in a container, whisking together. Reserve 2 tablespoons in a small separate container.
Fork chicken with a fork or knife. Add the chicken into the larger container, pressing down to completely coat the chicken in the marinade.
Seal the container and allow chicken to marinate in the fridge for at least 30 minutes or up to all day.
Once ready to cook, heat up the grill.
Remove chicken from the fridge and discard that marinade.
Place chicken on the heated grill, brushing with the reserved marinade. Cook for about 6-8 minutes, until fully cooked, flipping and brushing on more reserved marinade every 2 minutes.