*500g bread flour 高筋面粉 *7.5g yeast 醉母 *1egg鸡蛋 *7.5g salt 盐 *75g sugar糖 *20g milk powder 奶粉 *30g butter 黄油 *210g water 水 *240g crispy sweet oil 起酥甜片油 *egg yolk liquid 蛋黄液