01 - Preheat oven to 375°F. Line a baking sheet with parchment paper.
02 - Roll out the puff pastry on a lightly floured surface to smooth any creases.
03 - Brush the entire surface of pastry with melted butter using a pastry brush.
04 - Combine granulated sugar and cinnamon in a small bowl. Sprinkle mixture evenly over buttered pastry.
05 - Cut the pastry into 12 even strips, approximately 3/4 inch wide.
06 - Twist each strip in opposite directions, then form a loop at the bottom to create bunny ear shapes.
07 - Place twists on the prepared baking sheet, pressing ends gently to secure the shape.
08 - Bake for 12 to 15 minutes until golden brown and puffed.
09 - Transfer twists to a wire rack and let cool slightly.
10 - Whisk together powdered sugar and milk until smooth. Drizzle over cooled twists and add sprinkles if desired.