2. First, you need to wash the roses.

3. Then remove the calyx and flower heart and sprinkle with sugar.

Then you need to add a little salt.

5. Then mix the roses and marinate them overnight.

6, until the next morning, add the right amount of water.

7. Finally, the fire boiled. Cook on low heat until the roses are soft and the water is basically dry, and rose sauce will be ready.