Boil water with sugar. Add the washed and peeled mountain ash fruits, cook for 7-10 minutes (from the moment of boiling).
Then add the washed apples, cut into arbitrary pieces without a core and clean mint sprigs, bring to a boil, turn down the heat and cook for another 3-4 minutes, remove from heat.
Cover the pot with compote, wrap it with a towel and let it brew for 30 minutes.