Here’s a fun and spooky Glow-in-the-Dark Moonlit Cupcakes recipe—perfect for parties, Halloween, or any late-night treat! These cupcakes are not only delicious but also glow eerily under black light thanks to tonic water (quinine) and neon food coloring.
🌙 Glow-in-the-Dark Moonlit Cupcakes
🧁 Ingredients:
For the Cupcakes:
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1 ½ cups all-purpose flour
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1 ½ tsp baking powder
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½ tsp baking soda
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¼ tsp salt
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½ cup unsalted butter (room temp)
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1 cup granulated sugar
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2 large eggs
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1 tsp vanilla extract
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½ cup whole milk
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Optional: 2–3 drops neon food coloring (like blue, purple, or green)
For the Glow-in-the-Dark Frosting:
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½ cup unsalted butter (softened)
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2 cups powdered sugar
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2–3 tbsp tonic water (contains quinine, which glows under black light)
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½ tsp vanilla extract
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Neon gel food coloring (yellow, green, or blue glow best)
🔧 Instructions:
1. Make the Cupcakes:
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Preheat oven to 350°F (175°C). Line a cupcake pan with 12 liners.
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In a bowl, whisk flour, baking powder, baking soda, and salt.
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In a large bowl, cream butter and sugar until light and fluffy.
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Beat in eggs one at a time. Add vanilla.
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Alternate adding dry ingredients and milk, starting and ending with dry. Mix just until combined.
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(Optional) Add a few drops of neon food coloring for a glowing base.
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Spoon batter into liners, filling 2/3 full.
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Bake 18–20 minutes or until a toothpick comes out clean. Cool completely.
2. Prepare Glow Frosting:
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Beat butter until creamy. Gradually add powdered sugar.
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Mix in tonic water a tablespoon at a time until you get a fluffy, pipeable consistency.
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Add food coloring—yellow, green, and blue tones glow brightest under UV light.
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Frost cooled cupcakes using a piping bag or spatula.
🌌 Glowing Tips:
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Black Light Required: These cupcakes won’t glow on their own—place them under a UV/black light for full effect!
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Decorate Smart: Add glow-in-the-dark sprinkles or edible glitter for extra sparkle.
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Flavor Twist: Add a bit of lemon zest to the frosting for a citrusy punch that complements the tonic water.