Preheat oven to 400 degrees F.

Line a baking sheet with parchment paper.

Beat egg and vanilla.

Combine cinnamon and sugar together.

Lay a puff pastry sheet, unfolded on parchment.

Brush top with the egg mix.

Sprinkle with cinnamon/sugar.

Cut into 16 squares,

Bake apporx 20 mins.

Serve with syrup!