From Bobbie Flay, Prep time does not include refrigeration time 4 hrs - 8 hrs. No instructions were given for grilling the corn -- only the onions. However, there are instructions on the net for grilling corn with or without the husks.
This marinade produces a very tender and delicious chicken. In Peru, this seasoning is traditional for making grilled beef. Serve with rice and grilled corn on the side. Prep time does not include marinating time.