The Best Confetti Bundt Cake with Vanilla Buttercream

June 4, 2024

Turn any moment into a celebration with my moist and fluffy Confetti Bundt Cake and Vanilla Buttercream.

A confetti bundt cake with vanilla buttercream on a pink cake stand.

Confetti (Funfetti) Bundt Cake

I’m not sure there’s anything more classic or more nostalgic than a classic Confetti Cake. Since the day Pillsbury came out with their hugely popular Funfetti Cake back in the 1950’s, it’s been a favorite for generations! What’s not to love? Vanilla cake, vanilla buttercream and lots of sprinkles!

Like many of you, I grew up on the boxed version of this cake. I loved it back then, but a few years ago came up with my own recipe. I originally posted it as my Fourth of July Funfetti Cake, and grew to love it even more!

In this first version of my Confetti Cake, I used my Classic White Cake and Vanilla Buttercream as the base. It’s super light and fluffy, and reminds me of my childhood. However, I’ve always felt like it could be better. As I’ve remade this cake over the years, I just kept thinking, I need to try this one again.

When I worked on my first cookbook, “CAKE, by Courtney,” I made a few changes to this recipe to make it even more memorable and delicious. In this updated Confetti Cake recipe, the cake is more of a vanilla cake than a white cake. It’s a little more moist, in my opinion, than my original version. And it also has a slightly stronger vanilla flavor to it as well.

The texture and flavor in this cake is so delicious.

I know you’ll enjoy it in this bundt pan version too!

Woman taking a slice of cake out of a bundt cake.

My Favorite Bundt Pan

The best bundt pan, in my opinion, is the Nordic Ware Anniversary Pan. It’s plenty big for any recipe, bakes your cakes beautifully, and makes for an easy release!

Slice of a confetti bundt cake on a blue plate.

My Go-To Tips for Making Cake

Don’t forget to follow my go-to tips for getting your cakes to rise and bake well:

  • Preheat your oven for 30 minutes prior to baking.
  • Use good quality pans like Fat Daddio.
  • Beat the butter, sugar, and oil on medium-high until fluffy and smooth.
  • Spray your pans with nonstick spray and line with parchment paper. 
  • Don’t overmix your cake batter once you add the dry ingredients.
  • Use room temperature wet ingredients.
  • Use fresh baking powder.
  • Bake until a toothpick inserted in the center of the cake comes out with a few moist crumbs on it.
Piping buttercream on a bundt cake.

HOW TO MAKE THE BEST BUTTERCREAM

To get a light and fluffy, silky smooth buttercream, make sure you follow my tips: HOW TO MAKE THE BEST BUTTERCREAM

  • Sift your powdered sugar
  • Use slightly cold butter
  • Use heavy whipping cream
  • Beat for 5 minutes
  • Stir by hand

You’ll want to check out the post linked above for more details on each step.

Slice of confetti cake on a blue scalloped plate.

How to Make a Confetti Bundt Cake Video Tutorial

More BUNDT Cakes You’ll Love

A confetti bundt cake with vanilla buttercream on a pink cake stand.

Confetti Bundt Cake

5 from 1 vote
Moist and fluffy vanilla cake, lots of sprinkles and a whipped vanilla buttercream.
Servings 20

Ingredients
  

FOR THE CAKE

  • 1 cup (226 g) unsalted butter room temperature
  • 1 3/4 cups (350 g) granulated sugar
  • 1/3 cup (72.6 g) vegetable oil
  • 3 large whole eggs room temperature
  • 3 large egg whites room temperature
  • 1/4 cup (60 g) sour cream room temperature
  • 3 cups (345 g) cake flour
  • 1 tablespoon (14 g) baking powder
  • 1 teaspoon (6 g) salt
  • 1 cup (240 g) buttermilk room temperature
  • 1 tablespoon (12 g) vanilla extract
  • 1/4 cup (40g) rainbow sprinkles

FOR THE BUTTERCREAM

  • 2 cups (452 g) unsalted butter chilled (I take the butter out of the fridge 30 minutes before I make my frosting)
  • 6 cups (750 g) powdered sugar measured then sifted
  • 4 tablespoons (57.75 g) heavy whipping cream
  • 2 teaspoons (8.4 g) clear vanilla extract
  • *This buttercream recipe makes enough to fill and cover your cake. If you want to add additional piping, you’ll want to make an extra ½ batch.

Instructions
 

FOR THE CAKE

  • Preheat the oven to 325 degrees F. Prepare a 12-cup nonstick bundt pan by spraying it with nonstick spray and then coating the sides with flour. Set aside.
  • In a medium size bowl, whisk together the cake flour, baking powder and salt. Set aside.
  • In the bowl of a stand mixer, fitted with the paddle attachment, beat the butter, oil, and sugar on high until fluffy and smooth, about 5 minutes.
  • Add the eggs and the egg whites, one at a time to the bowl and beat on medium until well incorporated. Add the sour cream and beat on medium speed for a minute or so. It may look curdled, don't stress.
  • Turn the mixer on low and add ⅓ of the flour mixture to the butter mixture and mix until fully incorporated. Then add half of the buttermilk and blend well, followed by another ⅓ of the flour mixture, the second half of the buttermilk and lastly, add the remaining flour mixture and mix until incorporated.
  • Add the vanilla extract and beat on low until incorporated. Scrape down the sides of the bowl and mix on low for another 30 seconds. Fold in the sprinkles.
  • Pour the cake batter into the prepared bundt pan and bake for 50 to 60 minutes. The cake is done when a toothpick inserted in the center of the cake comes out with a few moist crumbs on it.
  • Let the bundt pan cool completely in the pan before inverting onto your cake stand.

FOR THE BUTTERCREAM:

  • In the bowl of a stand mixer fitted with a paddle attachment, cream the butter for about 2 minutes. This will soften the butter without it having to be warm.
  • With the mixer on low speed, gradually add the sifted powdered sugar, one cup at a time, mixing a little in between each addition.
  • With mixer on medium speed, add whipping cream, vanilla and salt.
  • Turn the mixer to medium-high speed and beat for an additional 3 to 5 minutes. The frosting will become lighter in color and texture.
  • Before piping onto your cake, spend a couple minutes mixing the buttercream by hand with a wooden spoon to push out the air pockets.
    NOTE: I used a Wilton 1M piping tip
Course: Dessert
Cuisine: Cake
Keyword: Confetti Bundt Cake, Confetti Cake, Funfetti Bundt Cake, Funfetti Cake

Join the Conversation

  1. Shan Ehrman says:

    I don’t have a Bundt pan yet but want to try this cake. What size of cake pans and how many layers would you suggest instead? Still bake at 325? For how long? Thanks for any tips!

    1. You can follow the baking instructions for my three layer confetti cake here on the blog. It’s three 8-inch cake pans, same temp but shorter time.

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