Choy Sum is one of the most popular vegetables among the Chinese and is probably the most popular vegetable in Hong Kong. As a matter of fact, it is now also widely used in the western world.
Choy Sum is rich in carotene (pro-vitamin A), calcium and dietary fiber. It also provides potassium and folic acid.
The flowering shoots and younger leaves of Choy Sum are used in salads or stir-fried, lightly boiled or steamed and added to meat.