Controlling fire and timing and balancing salty, sweet, sour, hot and savoury tastes.
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Huohou is the judgment of heat intensity and cooking time, adjusted to the ingredients and method. A Qing-period discussion recommends strong heat for stir-frying and gentle heat for stewing, and cautions that prolonged heating toughens fresh fish and shellfish.
What
Huohou concerns how intense the heat should be, how long food should cook, and when to take it off the heat. These judgments depend on the cooking method.1,2
When
Early culinary writing discusses adjusting the pace of heating as needed. A Qing-period discussion gives heat control its own section, distinguishing the requirements of stir-frying, stewing, and cooking fresh fish and shellfish. These accounts do not establish when the technique originated.1,2
Where
Heat control is a general concern in Chinese cooking rather than a practice confined to one place. The accounts include Qing-period culinary writing from Jiangnan and judgments about heating water in the gongfu tea tradition.2,3
How
The Qing-period discussion recommends strong heat for stir-frying, gentle heat for stewing, and avoiding prolonged heating of fresh fish and shellfish. Other methods call for different patterns: flash-frying uses very high heat, while red-cooking involves prolonged, steady heating.2,4
Why
The early discussion connects heat with removing fishy, gamy, and other strong odors. The Qing-period discussion emphasizes texture: weak heat can leave stir-fried food limp, fierce heat can dry out a stew, and prolonged heating can toughen fresh fish and shellfish.1,2
Impact and influence
These discussions treat heat control as an important cooking skill. Attention to stages of heating also appears in accounts of gongfu tea, which discuss heating water and caution that overcooked tea becomes bitter.3
An ancient book tells that after King Tang took Yi Yin into his service, Yi Yin explained cooking to him: the five flavors and three materials are boiled many times, and fire is the thread that governs it. This is a story told in an old text, not a verifiable record.