In China, this dish is usually made with black chicken, a special breed. The effect of chicken, no matter how it is prepared, is warming. this is also true of the dates added in this traditional preparation. Here, the chicken is steamed in its own juices for about 4 hours, until the meat is falling-off-the-bone tender. Boxthorn seedssmall, red mini-oval berriesadd a lovely red color.