Preheat the oven to 350 degrees F. Line a baking sheet with parchment paper and lightly coat with cooking spray.
In a medium bowl, whisk together the Neufchatel cheese, maple syrup and cinnamon until combined. Stir in the tart cherries and slivered almonds.
Working with a few wonton wrappers at a time, place about 2 teaspoons of the cream cheese mixture in the middle of each wonton.
Using your finger, rub a small amount of water on the border of the wonton wrapper. Pull the corners of the wrapper into the center and press together. Also press together the open sides to seal.
Place the filled wontons on the prepared baking sheet.
Bake until golden brown, 15 to 18 minutes.
Whisk together the egg and water in a bowl. Brush the wontons with the egg wash and sprinkle with the ½ teaspoon of ground cinnamon.