01 - 
                Set your oven to 350°F (175°C) and lay parchment paper on a baking sheet.
              
              
              
                02 - 
                In a mixing bowl, stir together the salt, baking powder, and flour. Keep it ready.
              
              
              
                03 - 
                Using a mixer, cream the sugar with butter till it feels fluffy and light.
              
              
              
                04 - 
                Toss in the egg, vanilla, and cotton candy flavors. Then stir tonic water in to give it a glowing twist.
              
              
              
                05 - 
                Slowly fold in the dry stuff till it just comes together. Split the dough to add food coloring if you want bright colors.
              
              
              
                06 - 
                Form the dough into balls, cover each with edible glitter or luster dust, and space them out on the baking sheet.
              
              
              
                07 - 
                Pop them in the oven for about 10-12 minutes till the sides are firm. Cool them completely afterward.
              
              
              
                08 - 
                These cookies are fun as is! Or, for some blacklight magic, let them glow.