Preheat oven to 400F. Line 2 large baking sheets with parchment paper. Roll out pastry on a lightly floured surface into a 12×12-in. square.
Brush entire surface of pastry with melted butter. Stir sugar with cinnamon in a small bowl until combined, then sprinkle pastry evenly with sugar mixture. Use rolling pin to lightly press sugar into the dough. Cut dough into 24 1/2-in.- wide strips, using a pizza wheel. Twist ends of each strip in opposite directions to create a twirled effect. Place on prepared baking sheets. Repeat with remaining strips. Bake in centre of oven until golden and puff ed up, 7 to 9 min. Remove baking sheet to a cooling rack. Let stand 5 min before serving. Twists will keep well at room temperature up to 2 days.
Nutrition (per serving)
Leave some space between twists on the baking sheet. Bake in batches if necessary.