1. Wash strawberries, remove their pedicels and put them in a bowl. Add sugar and stir well, so that each strawberry is covered with sugar.

2. Cover and put in the refrigerator 18 hours. Turn strawberries in the first two hours. Don't turn them if the juice can cover them.

3, strawberry juice, pour out strawberry juice, boil. Pour in strawberries and cook for 5 minutes. Cook until the strawberry juice shrinks again, and filter out the juice.

4. Put it in the turntable of the microwave oven, medium fire for 5 minutes, then medium fire for 5 minutes (stop for a while every minute to let the heat inside dissipate a little), and then medium fire for 2 minutes. The time varies according to the size and water content of strawberries, so be sure to observe them at any time in the light to avoid being slightly burned.