Preheat oven to 400°
Mix Cinnamon and Sugar together in a shallow bowl.
Line your baking sheet with parchment paper.
Unroll Puff Pastry and lay on lightly floured surface.
Sprinkle with Cinnamon Sugar and gently press into dough with rolling pin.
Flip dough over and sprinkle backside with cinnamon sugar, and roll with rolling pin.
Bring outer edges into the center. Sprinkle with Cinnamon sugar and gently roll with rolling pin.
Bring outer edges into the center again. Sprinkle with Cinnamon Sugar and gently roll with rolling pin.
Fold dough in half. Use a sharp knife to cut, width wise, into strips a little over 1/4 inch wide. Press top and bottom of "folded heart" shape into the cinnamon sugar.
Place on prepared baking sheet two inches apart.
Bake for 8-10 minutes, or until bottom is golden brown and carefully flip Palmier over. Bake for another 8-10 minutes, or until bottoms are golden brown.
Remove from oven and cool on wire rack.