01 -
Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.
02 -
In a bowl, whisk together the flour, baking powder, and salt. Set aside.
03 -
In another bowl, beat the butter and sugar until light and fluffy.
04 -
Add the egg, vanilla extract, and cotton candy extract, and mix well. Stir in the tonic water to create the glow effect.
05 -
Gradually mix in the dry ingredients until just combined. If desired, divide the dough and add neon food coloring to create vibrant hues.
06 -
Roll the dough into small balls, coat with edible glitter or luster dust, and place them on the prepared baking sheet.
07 -
Bake for 10-12 minutes, or until the edges are set. Let the cookies cool completely.
08 -
Enjoy the cookies as is, or place them under a blacklight to see them glow.