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