1, materials: fresh elm root 120g, corn flour 200g, yellow bean 50g, common flour 50g, baking soda 2g, and proper amount of water. Remove the stalks from fresh Ulmus pumila and clean it with water.

2. Mix cornmeal, yellow bean, flour and baking soda.

3. Put the cleaned elm money into the basin and mix well. Add the water slowly and make a dough with moderate hardness. It should not be too soft, otherwise it will not be shaped. It is best to simmer for 20 to 30 minutes.

4. Before pinching the steamed bread, dip the left hand in cold water and rub it on the heart of the right hand to avoid sticking your hands when pinching. Make a 40-gram-sized pill by hand and make it into the shape of a corn-head.