Sweet potato peeled, steamed, mashed into sweet potato puree
Grab the butter and low-gluten powder, add the sweet potato puree, white sugar and salt to the dough.
Press into thin slices, brush egg yolk, sprinkle with white sesame and black sesame, cut into strips
The oven is preheated, and the middle layer is fired at 170 ° C for 25 minutes.
Sweet potato is chestnut sweet potato, very dry, no water is very good.