01 - Whisk together all marinade ingredients in a large bowl until completely smooth and well combined.
02 - Add chicken thighs to the bowl, turning to coat each piece thoroughly. Cover and refrigerate for at least 2 hours, preferably overnight for maximum flavor penetration.
03 - Preheat grill to medium-high heat. Alternatively, preheat oven to 425°F and prepare a baking tray lined with foil and fitted with a wire rack.
04 - Remove chicken from marinade, allowing excess liquid to drip off. Reserve remaining marinade for basting during cooking.
05 - Grill chicken for 5 to 7 minutes per side, basting frequently with reserved marinade, until caramelized and cooked through to internal temperature of 165°F. For oven method, roast on rack for 20 to 25 minutes, turning and basting halfway through cooking.
06 - Mix honey and hot water to create basting glaze. Brush over chicken during the final 2 minutes of cooking for a glossy finish.
07 - Let chicken rest for 5 minutes to redistribute juices. Slice against the grain and serve immediately while hot.