Preheat the grill for high heat.Advertisement
Place the radishes, garlic, butter, and ice cube on a double layer of aluminum foil large enough to wrap contents. Season with salt and pepper. Tightly seal foil around contents.
Place foil packet on the grill, and cook 20 minutes, or until radishes are tender.
Reynolds® Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.