1. Add all ingredients except cider to food processor. Blend on high until finely chopped. Slowly add cider and blend until evenly mixed, about 1 minute.
2. Add chicken to casserole dish or Ziploc bag and pour generous amount of marinade over top. Cover and refrigerate at least one hour, preferably overnight.
3. Remove chicken from fridge and let rest until room temperature. Grill 4-6 minutes or bake in oven at 400F until internal temperature reaches 165F.