Cut and peel carrots to make them "bun length”.
Boil carrots in water until just fork tender. About 10-15 minutes.
Drain carrots, rinse with cold water, and drain again. Place carrots in a ziplock freezer bag.
Whisk all marinade ingredients together and pour into bag with carrots.
Marinate for 4-6 hrs.
Grill carrots on open grill, basting occasionaly.
Grill to heat all the way through and to get some blackened grill marks on each side.