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Funfetti Cake

Homemade Funfetti Cake always feels like a party. It's easy and so festive. This recipe is made as a Texas sheet cake with plenty for feeding a crowd.
Course Dessert
Cuisine American
Prep Time 20 minutes
Cook Time 20 minutes
Cooling Time (estimate) 30 minutes
Total Time 1 hour 10 minutes
Servings 35 servings
Calories 217kcal
Author Toni Dash



  • 2 cups granulated sugar
  • 2 cups all-purpose flour regular or gluten-free measure-for-measure flour
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • 1 cup (2 sticks) unsalted butter melted
  • 1 cup water
  • ½ cup vanilla yogurt Plain yogurt can be used, just add 1 teaspoon vanilla extract to the batter in addition to the plain yogurt
  • 3 large eggs
  • ½ cup sprinkles jimmies work best


  • ½ cup unsalted butter 1 stick – softened
  • 3 ½ cups powdered sugar
  • 1 teaspoon vanilla extract
  • 6-8 tablespoons heavy whipping cream
  • 1/8 teaspoon salt


  • ¼ cup sprinkles for decorating any kind of sprinkles will work


  • Preheat oven to 400 degrees.
  • Spray a 12-inch by 17-inch (1 ½ - 2 inch high sides) baking/cookie sheet with a non-stick spray. Make sure to spray both the bottom and sides of the pan.
  • In a large bowl, whisk together the sugar, flour, salt, and baking soda.
  • Add in the melted butter and water, mixing until combined.
  • Mix in the yogurt until combined.
  • Add in the eggs, one at a time and mixing between each addition. Gently fold in the sprinkles.
  • Pour the batter into the prepared pan and bake for 20 minutes, or until a toothpick inserted into the middle comes out clean.
  • Allow the cake to cool completely before frosting.

Prepare the frosting

  • In a large bowl, using a hand or stand mixer, mix the butter and powdered sugar together until fully combined and creamy.
  • Add in the vanilla, 6 tablespoons of heavy cream and salt: mix until well combined.
    NOTE: If the frosting is too thick to easily spread, then add the remaining 2 tablespoons of heavy cream.
  • Using a scoop or a spoon, drop large mounds of icing all over the cake.
    Use a spatula or knife to spread the frosting to the edges.
  • Top with the sprinkles topping.
  • Store covered at room temperature for 2 days or in the refrigerator for up to 4 days (tightly covered or in an airtight container).


Funfetti cake is traditionally made with a vanilla frosting, but the frosting can be made chocolate too. Add 4 tablespoons of cocoa powder to the frosting during the first step.
The cake can also be made in a 9-inch by 13-inch baking pan instead of a baking/cookie sheet. The cooking time will need to be extended, check the cake at the 20 minute mark and continue cooking for 5-10 minutes at a time until a toothpick inserted into the middle comes out clean.
Frosting amount
This will provide enough frosting for a thin layer of frosting. If a thick fluffy layer is desired, then double this frosting recipe.


Calories: 217kcal | Carbohydrates: 32g | Protein: 2g | Fat: 10g | Saturated Fat: 6g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 1g | Cholesterol: 41mg | Sodium: 84mg | Potassium: 26mg | Fiber: 1g | Sugar: 26g | Vitamin A: 312IU | Vitamin C: 1mg | Calcium: 14mg | Iron: 1mg