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Favorite Small-Batch Graduation Confetti Cupcakes Recipe Perfect for Rainbow Frosting Fans

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A quick and easy small-batch confetti cupcake recipe with moist vanilla batter and vibrant rainbow frosting, perfect for graduation parties and last-minute celebrations.

Ingredients

Scale
  • 1 cup (125g) all-purpose flour
  • 3/4 cup (150g) granulated sugar
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1/2 cup (120ml) whole milk, room temperature (or almond milk for dairy-free)
  • 1/4 cup (60g) unsalted butter, melted and cooled
  • 1 large egg, room temperature
  • 1 teaspoon pure vanilla extract
  • 1/4 cup (60g) sour cream
  • 1/3 cup (50g) rainbow sprinkles
  • 1/2 cup (115g) unsalted butter, softened (for frosting)
  • 2 cups (240g) powdered sugar, sifted (for frosting)
  • 2 tablespoons (30ml) heavy cream or milk (use coconut milk for dairy-free, for frosting)
  • 1 teaspoon vanilla extract (for frosting)
  • Gel food coloring in red, orange, yellow, green, blue, and purple

Instructions

  1. Preheat your oven to 350°F (175°C) and line your muffin pan with 6 cupcake liners.
  2. In a large bowl, whisk together flour, sugar, baking powder, baking soda, and salt.
  3. In a separate bowl, whisk milk, melted butter, egg, vanilla extract, and sour cream until smooth.
  4. Pour wet ingredients into dry ingredients and gently fold with a spatula until just combined.
  5. Fold in rainbow sprinkles gently to keep batter colorful but not streaky.
  6. Spoon batter evenly into liners, filling about 2/3 full (about 1/4 cup per cupcake).
  7. Bake for 18-20 minutes until a toothpick inserted comes out clean or with few crumbs.
  8. Cool cupcakes in pan for 5 minutes, then transfer to wire rack to cool completely.
  9. Beat softened butter until creamy, gradually add powdered sugar alternating with cream and vanilla, beat until fluffy (3-4 minutes).
  10. Divide frosting into six bowls and tint each with gel food coloring.
  11. Spoon strips of each color side by side into a piping bag or spread with an offset spatula for rainbow effect.
  12. Pipe or spread frosting onto cooled cupcakes in swirls or rainbows, decorate with extra sprinkles if desired.
  13. Serve immediately or store at room temperature up to 2 days.

Notes

Fold sprinkles in gently at the end to avoid color bleed. Use gel food coloring for vibrant frosting without thinning. Chill frosting if it gets too soft before piping. Avoid overbaking to keep cupcakes moist. Use a small cookie scoop for even cupcake sizes.

Nutrition

Keywords: confetti cupcakes, rainbow frosting, graduation cupcakes, small batch cupcakes, easy cupcakes, vanilla cupcakes, festive cupcakes

Find it online: https://sunnysavory.com/favorite-small-batch-graduation-confetti-cupcakes-recipe-perfect-for-rainbow-frosting-fans/