Don't stop at cherries. Fruit, nuts and cheeses work well for a sweet turnover. And then there are the savory options.
Sweet
Blueberries or blackberries • Apple with cinnamon • Pear • Apricot • Prune • Date or fig • Lemon curd • Nutella (hazelnut spread) • Flavored cream cheese
Savory
Mushrooms • Caramelized onions and blue cheese • Pesto and goat cheese