The authentic method of boiling the cabbage sum is as follows:

Prepare an appropriate amount of cabbage sum, process it, wash it and control the water.

Put water into the pot and bring to a boil, add the cabbage and blanch it, add a little salt and oil, the color will be very beautiful.

Cool the blanched cabbage and drain the water before placing on a plate.

Chop the garlic into a bowl.

Put oyster sauce, soy sauce, salt, sugar, starch and water into a small bowl, stir well and set aside.

Heat oil in a pan, add minced garlic and stir-fry until fragrant. Add the sauce and stir-fry until it bubbles. Pour over the choy sum and enjoy.