01 - Preheat oven to 375°F. Line a baking sheet with parchment paper.
02 - Roll out puff pastry on a lightly floured surface to smooth any creases from folding.
03 - Brush pastry surface with melted butter.
04 - Combine granulated sugar and cinnamon in a small bowl. Sprinkle mixture evenly over buttered pastry.
05 - Cut pastry into 12 even strips, approximately 3/4 inch wide.
06 - Twist both ends of each strip in opposite directions. Create a loop at the bottom to resemble bunny ears. Press ends gently to seal.
07 - Place shaped twists on prepared baking sheet, spacing evenly.
08 - Bake for 12 to 15 minutes until golden brown and puffed.
09 - Transfer to a wire rack and let cool slightly.
10 - Whisk together icing sugar and milk until smooth. Drizzle over cooled twists. Add sprinkles immediately if using.