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Fireworks Cupcakes

Fireworks cupcakes are an easy patriotic dessert featuring tall swirled vanilla buttercream peaks with red, white, and blue star sprinkles and sparkler picks. Each cupcake is built with a tri-color frosting swirl for dramatic firework-style height.
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Prep Time 30 minutes
Cook Time 20 minutes
Total Time 50 minutes
Servings: 24 servings
Course: Dessert
Cuisine: American
Calories: 520
Ingredients Equipment Method Notes

Ingredients
  

Vanilla or white cupcakes (cake mix)
  • 1 box white or vanilla cake mix Use the box ingredients listed for eggs, water, and oil/butter.
Buttercream
  • 1 cup unsalted butter Soften fully before beating.
  • 4 cup powdered sugar
  • 2 tsp vanilla extract
  • 3.5 tbsp heavy cream Start with 3 tbsp; add up to 4 tbsp for pipeable consistency.
  • 1 red and blue gel food coloring Use red and blue gel colors (leave one portion white).
  • 1 red, white, and blue star sprinkles For showering on top of the frosting.
  • 1 sparkler picks or flag picks for decoration Insert into the center right after sprinkles.

Equipment

  • 1 sheet pan

Method
 

Bake and cool the cupcakes
  1. Bake cupcakes according to package directions in lined muffin tins, then let cool completely on a wire rack before frosting.
Make the vanilla buttercream
  1. Beat softened unsalted butter until fluffy, about 1-2 minutes, then gradually add powdered sugar while mixing.
  2. Add vanilla extract and heavy cream, then beat on high for 3 minutes until very light and fluffy.
Color and swirl the frosting
  1. Divide buttercream into three portions, leaving one white and coloring one red and one blue with gel food coloring.
  2. Load a piping bag fitted with a large star tip with all three colors side by side for a tri-color swirl.
Decorate as fireworks
  1. Pipe a tall swirled peak of frosting onto each cooled cupcake using the star tip to create height.
  2. Shower each cupcake with red, white, and blue star sprinkles, then insert a sparkler pick into the center and serve.

Notes

For the tallest swirls, keep cupcakes fully cool and pipe right after frosting so the peaks hold shape. Store in an airtight container in the refrigerator for up to 3 days; for best texture, bring to room temperature 20 minutes before serving. Freezing is not recommended because the sprinkles and sparkler picks won’t hold up well after thawing. Dietary swap: use a dairy-free butter substitute and heavy-cream alternative to make a dairy-free buttercream while keeping the same piping technique.