Preheat the oven to 400 degrees and line a baking sheet with parchment paper.
Unfold the puff pastry on a piece of parchment paper on the counter. Roll it out slightly with a rolling pin. To one half, spread out the cookie butter. Drizzle the melted chocolate over the cookie butter. Fold the empty half of puff pastry over the filling and press the edges to seal.
Use a pizza cutter to cut the dough into 12 strips. Twist each strip a couple of times and place on the prepared baking sheet. Brush with the melted butter and place in the oven on the center rack for 20 minutes.
Remove from the oven, dust with powdered sugar and serve.
