Let your puff pastry thaw on your counter for about 40 minutes.
Preheat your oven to 400 degrees.
Combine your sugar, nutmeg, cinnamon and vanilla in a medium sized bowl.
Add your peaches to your sugar mixture and stir to coat them.
Cut your puff pastry into 9 square pieces.
Place about 4-5 slices of peach on each pastry piece.
Using a pastry brush, spread addition sugar mixture on the corners of each pastry.
Bake in your oven on a cooke sheet lined with parchment for 20-25 minutes until pastry edges turn golden brown.