Preheat the oven to 375�F.
Spray six muffin cups with the nonstick cooking spray.
Combine the sugar, cinnamon, cornstarch, vanilla, and 1 tablespoon of water in a medium-sized bowl. Roll the peeled apples in this mixture until coated.
Place one apple in the center of each egg roll wrapper. Bring the corners up to the top of the apple, pressing and folding to seal the edges.
Place each dumpling in a muffin cup, and lightly spray the tops with nonstick cooking spray.
Bake 20 minutes until golden. Let cool for 10 minutes and serve warm.