1. Mix natural yeast + high flour + whole wheat flour in the toaster for 10 minutes, then pull out the plug of the toaster and soak for about 50 minutes
2. Add salt into the bread machine and stir for about 3 minutes, then add salt free cream and stir for about 10 minutes
3. Put a proper amount of oil in the fermentation tank, and put the dough into the fermentation tank for about 1 hour (folded every 20 minutes during the fermentation). Then refrigerate it for about 17 hours
4. Take out the dough in the refrigerator, divide it into 7 small dough, return to the temperature, then flatten the dough hand, fold it up and relax for about 15 minutes
5. Flatten the dough into a rectangle by hand, put in bacon cheese, fold and seal to form a long strip
6. Sprinkle some hand powder in the baking tray, put the shaped bread into the baking tray, sprinkle some high powder on the bread, and finally ferment for about 2 hours. Use scissors before baking, and then cut the arrow pattern on the surface
7. Put an empty baking tray into the lower layer of the oven, and put it into the preheated 180 ° C oven. Add 200cc boiling water into the empty baking tray, and put the baking tray with bread into the oven for about 20-23 minutes when the water vapor is emitted. Finish!