Step-by-step tutorial

  • Step 1

    Gather your materials!

    Photo reference of how to complete step 1

  • Step 2

    Mix the gelatin packet with one cup of boiling water.

    Photo reference of how to complete step 2

  • Step 3

    Pour one cup of tonic water into the gelatin mix. Chill the gelatin to room temperature or a bit cooler, but don’t let it set.

    Photo reference of how to complete step 3

  • Step 4

    Dunk the frosted ends of the cupcakes into the gelatin glaze, then place the cupcakes in the freezer to let them set. Repeat five to six times.

    Photo reference of how to complete step 4

  • Step 5

    In a dark room, shine the UV light on the cupcakes to see the frosting glow!

    Photo reference of how to complete step 5

  • Learn moreMagnifying graphic

    Tonic water makes your cupcakes glow because of a chemical in it called quinine. People originally put quinine in drinks because it can help to prevent malaria. Quinine also turns out to be fluorescent, which means that it glows when it’s hit by ultraviolet light. With just a bit of tonic water, your cupcakes will really stand out under a blacklight!

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