Exercise:
1.？ Soak mung beans in a pressure cooker for 40 minutes overnight, mash them, add butter and sugar, and stir fry constantly.
2.？ Add yeast sugar to the flour, oil the flour, cover the dough with plastic wrap, and wake for 30 minutes.
3.？ Rub the mung bean paste into dough and squeeze the dough into equal parts. Wrap the dough with bean paste according to the flat shape and make the dough into a square block. Fry in a pan over low heat until all sides are golden.