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Creamy Confetti Sheet Cake with Funfetti Cream Cheese Frosting

creamy confetti sheet cake - featured image

A moist and tender sheet cake filled with colorful sprinkles and topped with a creamy, tangy funfetti cream cheese frosting. Perfect for celebrations or any cozy occasion.

Ingredients

Scale
  • 2 ½ cups (315g) all-purpose flour
  • 2 ½ teaspoons baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • ¾ cup (170g) unsalted butter, softened
  • 1 ¾ cups (350g) granulated sugar
  • 3 large eggs, room temperature
  • 2 teaspoons pure vanilla extract
  • 1 cup (240ml) whole milk, room temperature
  • ¾ cup (about 120g) rainbow sprinkles (jimmies)
  • 8 oz (225g) cream cheese, softened
  • ½ cup (115g) unsalted butter, softened
  • 34 cups (360–480g) powdered sugar, sifted
  • 1 teaspoon pure vanilla extract
  • ¼ cup (40g) rainbow sprinkles for decorating

Instructions

  1. Preheat the oven to 350°F (175°C). Grease a 9×13-inch pan with butter or non-stick spray and line with parchment paper if desired.
  2. In a large bowl, whisk together flour, baking powder, baking soda, and salt until combined. Set aside.
  3. Using a mixer, beat the softened butter and granulated sugar on medium speed until light and fluffy, about 3-4 minutes.
  4. Beat in the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
  5. Reduce mixer speed to low. Add the dry flour mixture in three additions, alternating with milk in two additions, beginning and ending with flour. Mix just until combined.
  6. Fold in ¾ cup of sprinkles gently with a spatula to avoid color bleeding.
  7. Pour the batter into the prepared pan and smooth the top evenly.
  8. Bake for 35-40 minutes, or until a toothpick inserted in the center comes out clean. Check at 35 minutes to avoid overbaking.
  9. Let the cake rest in the pan for 10 minutes, then transfer to a cooling rack to cool completely before frosting.
  10. Beat together the softened cream cheese and butter until smooth and creamy, about 2-3 minutes.
  11. Gradually add 3 cups powdered sugar, then vanilla extract, and beat until fluffy. Adjust sugar quantity for desired sweetness and texture.
  12. Spread the frosting evenly over the cooled cake using an offset spatula or butter knife.
  13. Sprinkle the remaining ¼ cup of rainbow sprinkles over the top for a festive finish.

Notes

Use room temperature ingredients for best results. Fold sprinkles gently to avoid color bleeding. Check cake doneness starting at 35 minutes. Chill frosting if too soft before spreading. Can substitute dairy and gluten-free ingredients as noted.

Nutrition

Keywords: confetti cake, funfetti cake, sheet cake, cream cheese frosting, easy cake recipe, birthday cake, colorful cake, party dessert