vt.弄成大理石花紋
Combine Ube taro powder with 1/3 of the batter and return this taro batter to the plain batter.Then, with the end of a wooden spoon, gently draw swirls through the batter to marbleize it. 取1/3拌好的蛋糕糊和紫芋粉拌勻，然后再將其加入蛋糕糊中，用橡皮刀輕輕劃兩三下即成。
