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frosted funfetti cupcakes with candle in one cupcake blown out (1)

Funfetti Cupcakes Recipe

These celebration cupcakes really live up to their name of FUNfetti! Moist, tender, and soft cupcakes bursting with the crunch and color of sprinkles are more than enough reason to celebrate!
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Prep Time: 25 minutes
Bake Time: 15 minutes
Total Time: 1 hour 40 minutes
Servings: 12 cupcakes


For the cupcakes:

  • 1 & ¼ cups all-purpose flour
  • 1 & ½ teaspoons baking powder
  • ½ teaspoon salt
  • ¼ cup unsalted butter, softened to room temperature
  • cup vegetable oil
  • ¾ cup sugar
  • 1 large egg, at room temperature
  • ½ cup sour cream, at room temperature
  • 1 teaspoon pure vanilla extract
  • ¼ cup rainbow jimmies (long sprinkles)

For the vanilla buttercream frosting:

  • ¾ cup (1 & ½ sticks) unsalted butter, softened to room temperature
  • 3 cups powdered sugar, sifted
  • ½ teaspoon salt
  • 1 teaspoon pure vanilla extract
  • 2 to 4 tablespoons milk or heavy cream
  • more sprinkles (I used nonpareils), for topping (optional)


  • Preheat your oven to 350°F. Line a standard, 12 count cupcake tin with paper liners, and set aside.
  • Make the cupcakes: In a medium bowl, combine flour, baking powder, and salt. Whisk to combine, and set aside to prep the wet ingredients.
  • In a large bowl, combine butter, oil, and sugar. Beat together until they're incorporated (some small clumps are fine). Add your egg, sour cream, and vanilla extract. Whisk to combine.
  • Combine the wet and dry ingredients. Mix together until just combined. Again, some lumps are fine! Fold sprinkles into the batter until combined. Take care not to over mix as it can cause the cupcakes to end up tough and the sprinkles may start to bleed into the batter!
  • Portion the batter into your cupcake cups (filling each one no more than ¾ of the way full). Bake in the center of your preheated 350°F oven for 15 to 20 minutes, or until a skewer inserted into the center comes out clean. Cool completely to room temperature before frosting.
  • Make the buttercream frosting: In a large bowl, combine butter and powdered sugar. Using an electric mixer fitted with the paddle attachment, beat the butter and sugar together for 3 to 4 minutes, or until the sugar is fully dissolved and the mixture is smooth and fluffy.
  • Add your salt, vanilla, and 2 tablespoons of milk or heavy cream. Beat the mixture again for another 1 to 2 minutes, or until light and airy. Gradually add more milk/heavy cream if needed to reach your desired consistency.
  • Pipe or spread your frosting onto the cooled cupcakes. (Optional) Top with more sprinkles of your choice! (Not optional) Celebrate!
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