蛋黃 egg yolk 5 細砂糖 sugar 50g 玉米油 cornoil 60g 牛奶 milk 70g 紫薯泥 mashed purple sweet potato 120g 低粉 self-raising flour 120g 紫薯粉 purple sweet potato powder 10g
蛋白 egg whites 5 細砂糖 sugar 80g