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Fireworks Cupcakes

Fireworks cupcakes are tall, swirled vanilla cupcakes piped with dramatic red-white-blue buttercream peaks and topped with star sprinkles and sparkler picks. This easy patriotic dessert is made with a simple cake mix base and a fluffy buttercream that holds its shape for 4th of July cupcakes.
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Prep Time 30 minutes
Cook Time 20 minutes
Total Time 50 minutes
Servings: 24 servings
Course: Dessert
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

Cupcake base
  • 1 box white or vanilla cake mix, plus ingredients on box Use the eggs, water, and oil/butter listed on your box.
Vanilla buttercream
  • 1 cup unsalted butter Softened to room temperature.
  • 4 cup powdered sugar
  • 2 tsp vanilla extract
  • 3 tbsp heavy cream Add 3–4 tbsp as needed for a spreadable, stiff texture.
  • 1 red and blue gel food coloring Use red and blue gel to keep the buttercream vibrant without thinning.
  • 1 red, white, and blue star sprinkles
  • 1 sparkler picks or flag picks for decoration Choose picks meant for food decoration; keep them upright at service.

Equipment

  • 1 stand mixer
  • 1 sheet pan

Method
 

Bake and cool the cupcakes
  1. Preheat your oven and bake cupcakes according to package directions in lined muffin tins. Bake until a toothpick comes out clean, then cool completely on a wire rack to room temperature.
Make vanilla buttercream
  1. Beat the softened unsalted butter in a stand mixer until fluffy. Gradually add the powdered sugar, then mix in the vanilla extract and heavy cream.
  2. Beat on high for 3 minutes until very light and fluffy. Stop and scrape the bowl if needed to keep the texture smooth.
Color and pipe a tri-color swirl
  1. Divide the buttercream into three portions. Leave one white, color one portion red, and color one portion blue with gel food coloring.
  2. Load a piping bag fitted with a large star tip with the three colors side by side for a tri-color swirl. Keep the colors layered to create distinct stripes as you pipe.
  3. Pipe a tall swirled peak of frosting onto each cooled cupcake. Apply steady pressure to build height, creating the dramatic peak shape.
Decorate like fireworks
  1. Shower each cupcake with red, white, and blue star sprinkles. Add extra sprinkles on the peak so they cascade visually down the swirled frosting.
  2. Insert a sparkler pick into the center of each cupcake and serve. Place picks at the last moment so they stay crisp and upright.

Notes

Pro tip: For the tallest “firework burst” peaks, make sure cupcakes are fully cool and beat the buttercream to a very light, fluffy texture before piping. Store frosted cupcakes in the refrigerator up to 3 days in a single layer; for best peak appearance, add sprinkles and sparkler picks shortly before serving. Freezing: freeze unfrosted cupcakes up to 2 months, then thaw and pipe fresh buttercream. For a lighter option, use reduced-fat vanilla butter (texture may be slightly softer, so chill 10 minutes before piping).