*Follow the package instructions to thaw the puff pastry.
*When it's ready extend one of the pastry sheets on a clear surface.
*Melt the butter at low heat in a pan. Brush the pastry sheet with melted butter. Then pour sugar over the whole surface (I used a sifter to make it easier).
*Fold one side of the sheet towards the center, and then the other side towards the center too, leaving a ½ inch gap in the center, between the two folds. Press a little bit.
*Cover in butter and sugar again, and fold both sides again towards the center, still leaving the ½ inch gap in the middle, from the previous step. Press a little.
*Cover in butter and sugar again, and fold one side on top of the other, so that your dough now looks like a tube. Press a little.
*Cover tightly in plastic, and put in the fridge for an hour or longer. Repeat with the other pastry sheet.
*Heat the oven to 380 F.
*Remove the plastic, and cut the 2 tubes in ½ inch slices.
*Cover a baking tray with buttered parchment or foil, or with a silpat. Place the slices pretty wide apart from each other (they may grow more than you expect). You may have to bake them in several batches.
*Bake for 10-12 minutes. Turn and bake for an extra 10-12 minutes.
Recipe by PERU DELIGHTS at https://perudelights.com/valentines-day-say-it-with-a-cookie/