Sourdough starter 鲁邦种：60g
Water 水：210g
Olive oil 橄榄油：20g
Honey 蜂蜜：20g
Strong flour 高筋面粉：250g
Rye flour 黑裸麦粉：50g
Salt 盐：6g

Steps:

Day1 

8:00 喂养鲁邦种 Feeding the sourdough starter 
12:00 混合面团 Mixing the main dough 
12:10-13:10 4次拉伸折叠，间隔15分钟 4 times stretch and fold with 15 mins interval
13:10-14:10 2次拉伸折叠，间隔30分钟 2 times stretch and fold with 30 mins interval 
14:10-17:30 室温静置 Resting at room temperature 
17:30 折叠并转入吐司盒，冷藏过夜 Fold and place into the loaf pan, refrigerate overnight 

Day2

6:00 预热烤箱 Preheat the oven 
7:00 烤制 Baking