Preheat oven to 400 degrees
Whisk egg and vanilla set aside, mix sugar and cinnamon and set aside
Roll out thawed puff pastry sheet into a 12 inch square, brush with egg and sprinkle with sugar mixture
Cut into 3 inch squares and place on baking sheet, bake 15 minutes or until golden.
Sprinkle with confectioners sugar and serve with maple syrup and fresh berries