Purple potato crisp。紫薯一口酥，自制小零食，香甜酥脆，超級好吃！

紫薯一口酥，自制小零食，香甜酥脆，超級好吃！
主要食材：紫薯300克，白糖40克，黃油20克。
黃油80克，糖粉30克，雞蛋1個，麵粉200克，蛋黃少許，黑芝麻
少許。
Purple potato is a crisp, homemade snack, sweet and crisp, super delicious!

Main ingredients: 300g purple potatoes, 40g white sugar, 20g butter.

80g butter, 30g sugar powder, 1 egg, 200g flour, a little egg yolk, black sesame

few.