Prepare ingredients: flour, clear water, bean paste stuffing, milk powder, egg liquid, sugar, yeast and butter.

Except that butter and bean paste are occasionally mixed together, butter is added when the dough is kneaded into a thick film, and the kneaded dough is not used, and is divided into 8 portions on average. Knead the dough into dough, cover it with plastic wrap, let it stand and relax for 20 minutes, and put 25 grams of sand stuffing into flat packaging; Wrap it, close it, roll it into a cow tongue, scrape the surface a few times, turn it over, press the flat bottom edge, roll it up from top to bottom and pinch it back, then roll it up and pinch it at both ends.

Put them all in a baking tray and ferment until they are 1.5 times the size of the oven. If not, put it in a warm place, sprinkle white sesame seeds on the surface and bake at 180 degrees for 20 minutes.