Use 150g low-gluten flour for water-oil skin. 20g sugar powder for water-oil skin. 60g warm water for water-oil skin. 55g lard for water-oil skin. 116g low-gluten flour for shortbread dough. 70g lard for shortbread dough. 20 purple sweet potato flour for
1. Put the water and oil crust ingredients into a bread machine and knead until the dough forms. 2. Put the pastry ingredients into a ba