Mr. Ts'ao indicates that one often needs to add other ingredients with the boiling method. The amount that is added is where the skill comes in to p'ao-chih, "but many novices overlook this."
曹先生表示，煮法往往須加其他配料，分量的多少，就是炮製的工夫所在，「但很多學徒疏忽這點。」