From birthday parties to weekend gatherings, this confetti cake gives you a reason to celebrate.

Our version has a rich vanilla-sour cream frosting that puts a grown-up twist on the whimsical classic.

Salted butter also makes a difference here and balances out the sweetness of the cake.

Confetti Cake with Vanilla-Sour Cream Frosting - Southern Living

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Of course, it’s practically a requirement to decorate this fun cake with rainbow sprinkles.

Recruit the kids to help and let their imaginations run wild.

you’re free to even add sprinkles right into the frosting for a stained-glass effect.

Southern Living Confetti Cake with Sour Cream Frosting sliced on plates to serve

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The majority of the time for this recipe will be spent baking the cake and cooling it before frosting.

Make cake batter:

Prepare confetti cake mix according to package directions.

Divide batter evenly among 3 (6-inch) round cake pans coated with baking spray.

Southern Living Confetti Cake with Vanilla Sour Cream Frosting ingredients

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Cool in pans 10 minutes.

Invert cakes onto wire racks; cool completely, about 45 minutes.

With mixer on low speed, gradually add powdered sugar, sour cream, and vanilla extract.

Southern Living Confetti Cake with Sour Cream Frosting

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Beat until fluffy, stopping occasionally to scrape down sides of bowl, about 3 minutes.

(You will have about 5 cups frosting.)

Set aside about 1 cup of frosting in a separate bowl, and fold in rainbow candy sprinkles.

Southern Living Confetti Cake with Vanilla Sour Cream Frosting batter in the pans

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Assemble cake:

Place a cake plate on a stand or a lazy Susan.

Put 1 cake layer on plate.

Spread 1 cup plain frosting over top, smoothing top using a bench scraper or an offset spatula.

Southern Living Confetti Cake baked cake in pans

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Repeat with remaining 2 cake layers and 2 cups of the frosting.

Chill until frosting has firmed and set, about 30 minutes.

Decorate cake:

Spoon any remaining frosting into a piping bag fitted with a medium round tip.

Southern Living Confetti Cake with Vanilla Sour Cream Frosting

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Pipe dollops around top edge of cake.

Garnish with additional sprinkles in center of cake.See our step-by-step instructions for frosting a smooth-sided cake with sprinkles here.

To make your own confetti cake layers, use one of ourVanilla Cakerecipes, stirring in sprinkles before baking.

Southern Living Confetti Cake with Vanilla Sour Cream Frosting beating the butter for the frosting

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These two terms are often used interchangeably.

Funfetti cake refers to a specific Pillsbury-branded cake mix.

Confetti cake is a broader term that includes any cake with sprinkles mixed into the batter.

Southern Living Confetti Cake with Vanilla Sour Cream Frosting after mixing the frosting

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Southern Living Confetti Cake adding sprinkles to frosting

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Southern Living Confetti Cake building the cake on the turntable

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Southern Living Confetti Cake with Vanilla Sour Cream Frosting filling the cake

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Southern Living Confetti Cake with Vanilla Sour Cream frosting filling the cake

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Southern Living Confetti Cake with Vanilla Sour Cream Frosting spreading the sprinkle frosting on the cake

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Southern Living Confetti Cake putting the frosting in a piping bag

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Southern Living Confetti Cake with Vanilla Sour Cream Frosting piping dollops on the cake

Credit:Robby Lozano, Food Stylist: Chelsea Zimmer

Southern Living Confetti Cake with Vanilla Sour Cream Frosting adding sprinkles to garnish the cake

Credit:Robby Lozano, Food Stylist: Chelsea Zimmer