Place on Puff Pastry sheet on the bottom of a 9x13" pan you man need to trim edges to make it fit. With a fork prick pastry several times. Place in 400 degree oven and bake for 15 minuets. While the pastry is baking mix the cream cheese, sugar and vanilla in bowl until combined. Remove puff pastry from oven and spread cream cheese mixture over partially baked pastry. Place second sheet of Puff Pastry over cream cheese (again you may need to trim edges to make the pastry fit). Pour melted butter over sheet of Puff Pastry. Mix 1/2 cup sugar and 2 teaspoons cinnamon in a small bowl then sprinkle over butter topped pastry.