2. Wash Chinese cabbage, shred and dice, add proper amount of salt, squeeze out water by hand, dice ham, dice onion and dice chopped green onion, mix them, add cumin powder and stir, add yeast into warm water, stir well, add flour and beat into flocculent, knead into dough and ferment for 40 minutes;
3. Ventilate and knead the fermented dough evenly, divide the dough into pieces, roll it out, add stuffing and wrap it into buns, brush the buns with oil on the electric baking pan, gently press them into cakes with their heads down, fry them until they are golden on both sides, and take them out to cool.