2. Practice: Clean the chicken, drain the water, add water that does not touch the chicken in the pot, add appropriate amount of ginger slices, put the chicken in the pot for two minutes after the fire boils, then take it out and soak it in cold water for two minutes, put an appropriate amount of gardenia in the pot, put the chicken back in the pot, cook for five minutes, turn off the fire, and wait until the soup cools to finish coloring.