Where I come from, cherry pies are made with filo pastry and sour cherries. During cherry-picking season, my family always makes one to eat after pitting all the cherries, our fingers and clothes stained with the juices. If you ask me, the best sour cherries for this pie are a bit sweeter, but still tangy. However, any sour cherry, including frozen, can be used. You can also substitute other fruits, such as apple, which I grate and combine with cinnamon and nutmeg. Just make sure to adjust…