Step 1
In a big bowl, whisk collectively the brown sugar, honey, ketchup, soy sauce, beet powder, vinegar, hoisin sauce, and five-spice powder. Add the hen and toss to totally coat. Cowl with plastic wrap and refrigerate for two days.
Step 2
Warmth a grill or grill pan over medium warmth. Take away the hen from the marinade, rub with the oil, and season evenly with salt and black pepper. Place the hen skin-side down and grill, turning as soon as, till charred and cooked via, about 30–35 minutes. Switch to a slicing board and put aside to relaxation at room temperature for quarter-hour earlier than carving into serving-sized items. Serve heat.
