Pie training, providing various recipes for making pies, and pies are a kind of baked goods, which are wrapped with fillings. The stuffing can be various foods, such as meat, vegetables, fruits and egg paste. According to the stuffing, it is mainly divided into salty pie and sweet pie.

Yu Ying Snack Training School specializes in teaching the making technology of various stuffing pies. There are also hanging furnace biscuits, Shandong Zhoucun biscuits, Tujia sauce-flavored biscuits, dried dregs, Huangqiao biscuits, chess biscuits, sweet cake, steel furnace biscuits, crispy hollow biscuits, Tianjin biscuits, new Wu Dalang biscuits, golden wheat biscuits, Shanxi biscuits, Shaanxi biscuits, Northeast shortbread, Northeast biscuits, lettuce sauce patties, sesame biscuits, Shijiazhuang Zhonghexuan biscuits, fragrant tooth-dropping Melaleuca biscuits and odd biscuits. Golden silk cake, purple sand cake, potato cake, pumpkin cake, pearl cake, Melaleuca burrito, in-laws cake, traditional egg filling cake, new egg filling cake, Handan stone cake, new super soft cake, scallion cake, hand-grabbed cake, Tianjin Melaleuca sesame seed cake, tenderloin roast, tenderloin steak, Beijing Kyoto meat pie, barbecue, Hejian donkey meat fire and Baoding donkey meat fire. Pan-fried sauce meat pie, a nest of sesame sauce silk cakes, braised fire, Korean-style baked buns, Taiwan Province baked dough twists, mung bean cakes, halal cakes, pies, beef tongue cakes, super soft biscuits, northeast biscuits, gas pump biscuits, bamboo charcoal biscuits and other technologies.