Japanese Cotton Sponge Cake 日式海绵蛋糕 | Apron

Japanese Cotton Sponge Cake 日式海绵蛋糕 | Apron 7寸方模 square mold 18cm x 18cm x 8cm 植物油 vegetable oil 50ml / 4Tbsp 低筋面粉 cake flour 80g / 2/3cup 牛奶 milk 80ml / 1/4cup 蛋黄 egg yolk 5 全蛋 egg 1 蛋白 egg whites 5 糖 sugar 80g / 1/3cup 盐 salt 1/4tsp