Preparation materials: sugar, lemon, water.

First, sugar and fresh lemons are ready.

2. Put sugar and water into a boiling pot and stir.

Third, boil over medium heat.

4. When boiling sugar water, treat the lemon, half everything and squeeze out the lemon juice.

5. After the water is boiled, turn to low heat and filter the lemon juice into the sugar water.

6. Continue to simmer on low heat without any stirring in the middle. Dip the brush in cold water and brush along the edge of the pot to make the sugar water into the pot.

Seven, cook for about 40 minutes, the sugar water turns black, and then turn off the fire to cool.