Thaw puff pastry
Preheat the oven to 400°.
Peel and core the apples.
Slice into rounds.Use a 1-1/4 inch-diameter cookie cutter to open the core slice a little larger. Place the apple slices into a bowl, cover with water, and add the juice of 1 lemon.
Unfold the puff pastry and roll it until it is slightly larger.
Cut the puff pastry into ¾ inch strips.
Mix the cinnamon, sugar, and nutmeg in a shallow dish and set aside.
Pat the apple slices dry with a paper towel and dust them with a bit of cinnamon sugar.
Wrap strips of the puff pastry(3-4 strips/apple ring) around each apple ring.
Brush the wrapped apple rings with egg wash on both sides.
Dip the rings into cinnamon sugar.
Place them on a parchment paper-lined baking sheet.
Bake for 20-25 minutes until puff pastry is flaky and light golden brown.
Cool for 10 minutes before serving.