[又扁又歪]培根欧包Pain Au Bread

all purpose flour中筋面粉 224g whole-wheat flour全麦面粉 100g water水 243g salt盐 6g bacon培根 139g levain starter (rye)黑麦鲁邦酵头 65g instant dried yeast速发酵母 1g bake at 230℃/446℉ for 50 min. 230℃/446℉烤50分钟