Sweet potato cold cake。紅薯這樣做，味道超好吃，Q彈爽滑，夏天吃清爽又開胃！

簡單又美味的紅薯涼糕，Q彈爽滑，夏天吃清爽又開胃！
主要食材：紅薯250克，清水1000克，豌豆澱粉100克。
Simple and delicious sweet potato cold cake, Q spring smooth, refreshing and appetizing in summer!
Main ingredients: 250 g sweet potato, 1000 g of water, 100g pea starch.