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1
Combine the light soy sauce, dark soy sauce, Shaoxing wine, rock sugar, and water in a pot large enough to hold the whole chicken, then add the ginger slices, scallion stalks, star anise, cinnamon stick, and bay leaves. Bring to a full boil, then reduce the heat and simmer uncovered for 20 minutes, so the aromatics fully surrender their fragrance into the liquid rather than sitting raw beneath a dominant soy note. The brine is ready when it is savoury and slightly sweet — taste and confirm before proceeding.
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2
Bring the brine back to a gentle simmer and, using a sturdy hook or two wooden spoons passed through the cavity, lower the chicken fully into the brine for 3–4 minutes, then lift it clear of the liquid entirely, so each cycle of heat and open air sets the skin in successive lacquered layers rather than steaming it soft in one prolonged bath. Allow any brine inside the cavity to drain back into the pot before the next submersion. This is where the dish lives or dies: repeat this dipping and lifting cycle (zhan zhi fa, 沾汁法) four to five times in total, and do not skip lifts or rush the intervals, as it is the alternation itself that produces the even mahogany glaze and controlled, uniform cooking that distinguishes chi you ji from a plain poach.
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3
Alternatively, where the dipping method is not practicable, hold the brine at 85 °C and submerge the chicken fully, so it cooks through gently without the vigorous boil that would tighten and dry the breast meat. Poach at that temperature for 25–30 minutes without boiling. The chicken is done when a skewer inserted at the thickest point of the thigh meets no resistance and the juices run clear.
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4
Lift the chicken from the brine and allow it to rest for 10 minutes before cutting, so the juices redistribute through the flesh rather than running out the moment the knife falls. The skin should present as deep mahogany-red, smooth, and slightly sticky to the touch. The flesh at the bone should be just cooked through — neither raw nor dry.
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5
Chop the chicken through the bone in the Cantonese manner and arrange on a platter. Spoon a small amount of the strained brine over the pieces as a sauce, so the cut surfaces drink back a little of the seasoning lost at the knife. The brine may be reserved, refrigerated or frozen, and refreshed for repeated use as a master stock.