Preparation materials: one sweet potato, low-gluten flour/glutinous rice flour (120g) (glutinous rice flour will be softer when made), butter (40g), sugar (appropriate amount), and? An egg (a fat-reducing partner can be without sugar and butter.

Production steps:

1. Slice the sweet potato and steam it in the pot. Flour can be mixed in the process of steaming sweet potatoes;

2. Steamed sweet potatoes are pressed into mud, and a proper amount of sugar is added and stirred evenly for later use;

3. Put the butter into a clean bowl, add the low-gluten flour, and grasp it evenly by hand;

4. Add mashed sweet potatoes into flour and knead into dough. If it is too wet, you can add a little more flour and cover the dough 10 minutes.

5. Make the flour into a cake, brush with egg liquid, sprinkle with sesame seeds, and bake in the oven 180 degrees for 20 minutes. If you don't have an oven, you can heat it in a microwave oven or fry it in a pan.