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.
03 - Brush the entire surface of pastry with melted butter.
04 - Mix granulated sugar and ground cinnamon together; sprinkle evenly over buttered pastry.
05 - Cut pastry into 12 even strips, approximately 3/4 inch wide.
06 - Take each strip and twist both ends in opposite directions. Form a loop at the bottom to create bunny ear shapes.
07 - Place shaped twists on prepared baking sheet, gently pressing down ends to secure shape.
08 - Bake for 12 to 15 minutes until golden brown and puffed.
09 - Transfer to wire rack and allow to cool slightly.
10 - Whisk icing sugar with milk to create a smooth glaze. Drizzle over cooled twists and add sprinkles if desired.