1, select fresh buckwheat head, tear off the old skin, wash and dry.
2. Wash the lemon and cut it into pieces.
3. Choose large pieces of rock sugar, buy orange ones and break them with the back of a knife.
4. Choose an oil-free and water-free sealed jar, lay a layer of crystal sugar on the bottom of the jar, add buckwheat heads, squeeze lemonade, put enough crystal sugar on the top of the jar, and finally cover it with plastic wrap. You can taste it in a week!