chefs start the dish with char siu (Chinese barbecued pork) or siu yuk (Chinese crisp-skinned roasted pork). I prefer the restaurant version, especially with siu yuk (char siu is too sweet).
Zhajiangmian is a Chinese dish that every cook makes differently. It can be made with minced pork or small cubes of pork belly. I’ve eaten versions with cooked cucumber (most use the raw stuff ...
But several other companies are also coming out with vegetarian pork substitutes such as Impossible Foods and Chinese brands, Zhenmeat, Starfield and Whole Perfect Food.