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Flavorful Firework Funfetti Cupcakes Easy Recipe with Vanilla Buttercream

firework funfetti cupcakes - featured image
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These vibrant and colorful funfetti cupcakes are moist and topped with a creamy vanilla buttercream frosting, perfect for any celebration or simple treat.

Ingredients

Scale
  • 1 ½ cups (190g) all-purpose flour
  • 1 ¼ teaspoons baking powder
  • ¼ teaspoon baking soda
  • ¼ teaspoon salt
  • ½ cup (115g) unsalted butter, softened
  • ¾ cup (150g) granulated sugar
  • 2 large eggs, room temperature
  • 2 teaspoons pure vanilla extract
  • ½ cup (120ml) sour cream or Greek yogurt
  • ½ cup (120ml) whole milk, room temperature
  • ½ cup (90g) rainbow jimmies sprinkles
  • 1 cup (230g) unsalted butter, softened (for frosting)
  • 3–4 cups (360-480g) powdered sugar, sifted
  • 2 teaspoons pure vanilla extract or vanilla bean paste
  • 2 tablespoons (30g) cream cheese, softened
  • 2–3 tablespoons (30-45ml) heavy cream or whole milk
  • Pinch of salt

Instructions

  1. Preheat your oven to 350°F (175°C) and line your muffin pan with cupcake liners.
  2. In a medium bowl, whisk together flour, baking powder, baking soda, and salt. Set aside.
  3. In a large bowl, beat softened butter and sugar on medium speed until light and fluffy, about 3 minutes.
  4. Beat in eggs one at a time, then add vanilla extract. Mix until combined but do not overbeat.
  5. Alternate adding the dry ingredients and sour cream and milk to the butter mixture, starting and ending with the dry ingredients. Mix gently after each addition until smooth and slightly thick.
  6. Gently fold in rainbow jimmies sprinkles, being careful not to overmix.
  7. Spoon batter evenly into 12 cupcake liners, filling about two-thirds full.
  8. Bake for 18-22 minutes or until a toothpick inserted into the center comes out clean.
  9. Let cupcakes cool in the pan for 5 minutes, then transfer to a wire rack to cool completely.
  10. For the frosting, beat softened butter and cream cheese until smooth.
  11. Gradually add powdered sugar, vanilla, salt, and heavy cream. Beat on high for 3-5 minutes until light and fluffy. Adjust consistency with more cream or sugar as needed.
  12. Once cupcakes are completely cool, frost with vanilla buttercream and optionally add extra sprinkles.

Notes

Use high-quality, non-melting rainbow jimmies sprinkles to maintain texture and color. Avoid overmixing batter to prevent tough cupcakes. Ensure cupcakes are completely cool before frosting to prevent melting. For gluten-free, substitute flour with gluten-free baking blend; for dairy-free, use vegan butter and coconut yogurt.

Nutrition

Keywords: funfetti cupcakes, vanilla buttercream, colorful cupcakes, easy cupcake recipe, party cupcakes, sprinkles cupcakes

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