Purple sweet potato Mara cake。超好吃的紫薯马拉糕，松软Q弹，口感细腻，非常的简单又美味！

超好吃的紫薯马拉糕，松软Q弹，口感细腻，非常的简单又美味！ 主要食材：紫薯250克，清水300克，白糖60克，酵母粉3克，面粉180克，木薯淀粉120克，黄油20克。 Super delicious purple potato cake, soft and elastic, tastes delicate, very simple and delicious! Main ingredients: 250g purple potato, 300g clear water, 60g white sugar, 3G yeast powder, 180g flour, 120g cassava starch and 20g butter.