The cake itself is soft, buttery, and tender, filled with plenty of cake batter flavor and colorful sprinkles. It is topped with luscious swirls of cream cheese buttercream frosting and has the perfect ratio of frosting to cake. Then of course, add more sprinkles on top. My Funfetti Cookie Bars, 4-in-1 Sheet Pan Cookies, Sheet Pan Rice Krispies, and Funfetti Cookies are a few other birthday or celebration-worthy recipes you need to try! I love that it doesn’t require any cake pans like a traditional layered cake. Sheet pan cakes are just so much simpler to prepare; pour the batter onto the pan, bake it, and frost it all at once! It’s a celebration-worthy cake, making it a perfect choice for any occasion that calls for a touch of fun for parties!

Cake flour: I like to use cake flour in this recipe to help create a more fine, delicate crumb. It creates a light, soft texture which I love! However, if you only have all-purpose flour, that works well too. It will still have a tender crumb! Sugar: You will need granulated sugar for this recipe. Butter: Unsalted butter adds richness and flavor to the cake. Make sure it’s at room temperature for easy creaming with the sugar. Eggs: They provide moisture, structure, and help the cake rise. Also make sure the eggs are at room temperature. Vanilla Extract and Cake Batter Extract: Pure vanilla extract enhances the flavor of the cake. I like to use vanilla extract and the cake batter extract for best flavor. If you don’t have cake batter extract, you could use almond extract if there are no nut allergies or simply leave it out. Baking Powder and Baking Soda: These leavening agents help the cake rise and become light and fluffy. Sour Cream: Sour cream adds moisture, richness, and tenderness to the cake. It’s a key ingredient for creating a moist and flavorful cake. Sprinkles: Use colorful rainbow sprinkles to create the “funfetti” effect. You can adjust the amount based on your preference for sprinkle density. I recommend using jimmies for best results, not the tiny nonpareils. Frosting Ingredients: For the frosting, you’ll need butter, cream cheese, powdered sugar, heavy cream, vanilla bean paste, cake batter extract, and more sprinkles for decorating. Adjust the frosting ingredients to achieve your desired consistency and sweetness level.

Step by Step Directions

For the full recipe instructions, scroll down to the bottom of the blog post to the recipe card.

Storage

Store in the fridge, wrapped, for up to 4-5 days. If you’d like to freeze the cake, I recommend doing so with the frosting off. Wrap slices in plastic wrap, place in a freezer safe baggie, and freeze for up to 3 months. When ready to enjoy, thaw overnight in the fridge and then add frosting.

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Photography: photos taken in this post are by Megan from The Broke Girl Table.   

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