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The working recipe — the Market List, the Method, and where it lives or dies
I
Origin
Shanghai — the Shanghai version of sweet-sour pork developed independently of Cantonese cuisine; it reflects the Shanghainese fondness for sweet-sour flavour balance
II
Description
Shanghai gu lao rou (sweet and sour pork in Shanghai style): pork loin slices tenderised, egg-coated, deep-fried, then tossed in a sweet-sour-savoury sauce of ketchup, rice vinegar, soy, and sugar. Distinctly different from Cantonese gu lao yuk — the Shanghai version is lighter, less sticky, and uses ketchup as the tomato-based sauce element. A Shanghai home-cooking classic.
III
The Thread
—Cantonese gu lao yuk (sweet sour pork — the comparison dish)
—American sweet and sour pork (based on this tradition)
—Japanese pork katsu (breaded pork cutlet)
IV
Flavour Context
Crispy pork, sweet-sour-tangy sauce, slightly sticky — the Shanghainese take on sweet-sour is lighter and more acidic than the Cantonese
Pillars V — VII
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