Blueberry jam in a slow cooker for winter

Berries are sorted and washed. The berry needs to be washed and allowed to dry, it can be scattered on the table, on a towel. We pour the finished berry into a bowl and add sugar there, not forgetting to mix. We set the "quenching" mode, the time depends on your multivark (about 1.5-2 hours), and that's it. The finished delicious blueberry jam is laid out in jars. Blueberry jam in a slow cooker for the winter turns out to be thick - it can be used as a filling in pies.