巧克力流心古早味蛋糕 How to make Taiwanese Chocolate Castella ASMR Cooking

mold size 34*24*6 cm Ingredients 18 egg yolks vegetable oil 180g milk 240g salt 5g sweetener 30g cocoa powder 60g cake flour 210g 18 egg whites granulated sugar 210-280g chocolate 100g 模具尺寸 34*24*6cm 蛋黄 18个 植物油 180g 牛奶 240g 盐 5g 细砂糖/红糖/蜂蜜 30g 可可粉 60g 低筋面粉 210g 蛋清 18个 细砂糖 210-280g 巧克力碎 100g