Sweet potato cake，外酥里糯的黃金地瓜餅，簡直太好吃了！

主要食材：主要食材：油皮餡料：麵粉160克，糖粉20克，食用油40克，清水70克。
油酥餡料：麵粉120克，食用油50克。
餡料食材：紅薯350克，白糖40克，黃油或食用油20克。
Main ingredients: Main ingredients: Oilskin filling: 160g flour, 20g sugar powder, 40g edible oil, 70g water.
Pastry filling: 120g flour, 50g edible oil.
Ingredients for filling: 350 grams of sweet potatoes, 40 grams of white sugar, and 20 grams of butter or cooking oil.