How long does it take to master all the techniques of braised vegetables? How long does it take to learn them? Generally, it takes about 10-20 days to learn the braised vegetable technology in a braised vegetable training institution or school, and about 10 days to learn the braised vegetable technology in a physical braised vegetable store. Of course, there are faster ones that only take 3-7 days. The braised vegetable technology learned in this way is mainly the braised vegetable recipe. And the simple production process is not very systematic, but it saves time!