Pour the flour into a basin, stir with chopsticks while pouring hot water, then pour some cold water and stir until there is no flour, after cooling, beat an egg in the flour and knead it into dough;

Cover the basin with a cloth and wake up for 10 minutes. At this time, eggs are prepared, fried and chopped, and two hams are cut in half vertically for later use.

Start rolling the dough. If the chopping board is small, you can roll it a few times and roll it into a 2mm thick patch;

Spread a layer of vegetable oil on the dough, then sprinkle a little salt evenly, then spread a layer of broken eggs evenly, arrange the ham horizontally on the side, roll it from the side of the ham, and cut it quickly after rolling;

Don't get too close to it in the steamer. Cover the pot and wait for five minutes. Turn boiling water to medium heat, 10 minutes. After stewing for five minutes, remove the lid and serve.