Sweet Cherry Blueberry Sauce
1.
Wash the cherries, remove the seeds and cut into small pieces
2.
Add blueberries and marinate with rock sugar for 2 to 3 hours
3.
Bring to a high heat and simmer for 10 minutes. Change to low heat and simmer for 15 minutes. Add lemon juice and simmer until thick
4.
Take out the pot and let cool, keep tightly sealed and refrigerate