Cherry jam with lemon slices for winter

You can make cherry jam from berries of any variety, but I like white cherry jam the most.
But I think if you don't have white cherries, you can replace them with any other. I do not advise using berries from the store to make such jam. Still, it's better to take your own, from your own garden.
The recipe is quite simple and will not take much time.
Cherries should be sorted and washed. Then the cherries are dried. I use a clean, dry towel or cloth for this purpose.
We take out the seeds from the berries and put them in a container of a suitable size, where we pour sugar.
I usually leave the container with berries overnight to get juice.
The next morning I boil for five minutes, and leave to cool.
During the cooling process, I shake the container slightly so that the berries are evenly soaked with syrup.
When the cherry jam is completely cooled, add the lemon sliced into circles and cook for another five minutes.
After cooling down, I boil it again for about a quarter of an hour, and then I put it in hot jars and roll up the lids.
About two liters of ready-made jam are obtained from these ingredients.