The recipe of the pie with crispy outside and soft inside is: flour 1000g, sugar 20g (salty salt 5g), yeast 10g, shortening 50g, foam source 10-20g and warm water 50g. Technology: evenly dry-mix the soaked raw materials into flour,

Yeast is dissolved in warm water and flour is added, and shortening is dissolved in warm water and flour is added. Dissolve white sugar in warm water, then add it into flour to make dough, and let it stand for 3-6 hours. Then it is pulled into a small dough, rolled into a ball, brushed with lard, stacked together, pressed into a cake, wrapped with meat or vegetarian stuffing, pressed into a pie after the cat, and fried and baked until it is golden brown.