First, prepare the sauce. Wash grapes, apples, and herbs. Peel the garlic. Pour the grapes into a saucepan and pour in 50 ml. water, cook for 5 minutes.
On a sieve, grind the grapes, freeing them from the skins and seeds. Pour the grape syrup into a saucepan, add the pieces of peeled Apple, Bay leaf, salt, sugar, and cook for 3-5 minutes.