2, practice: 100 grams of rock sugar first heated in a microwave oven for about 20 seconds, broken into small pieces.
3. Add 50 grams of broken rock sugar, cool and boil, put it in a small pot with a thick bottom and heat it until the sugar is completely melted. In the meantime, stir constantly and add lemon juice of half a lemon.
4. Dissolve all the sugar, add 50 grams of boiling water and keep stirring. When the bubbles become smaller and the color is slightly Huang Shi, you can turn off the fire and the syrup is ready.