In a large colander, rinse the sour cherries. Spread 2 layers of cheesecloth on the counter and dump the cherries on the cheesecloth. Stem the cherries and discard any that are blemished.
In a large pot, bring the sugar and water to a boil.
Tie up the sour cherries in the cheesecloth and gently lower into the pot. Bring back to a boil, reduce heat, an