Funfetti Cake
Homemade Funfetti Cake is a joyous symphony of flavors, textures, and colors that brings back cherished childhood memories with every slice. Picture a moist, tender cake bursting with vibrant rainbow sprinkles, each bite revealing the delightful combination of buttery sweetness and a subtle tang from the buttermilk. It’s not just a cake; it’s an invitation to celebrate life’s little moments, whether it’s a birthday, a casual afternoon tea, or simply as a sweet treat after a long day.

I vividly remember the first time I made Funfetti Cake. The kitchen was alive with laughter and the colorful sprinkles scattered from a quirky little jar made it feel like a party, even before the cake hit the oven. This delightful dessert stands out from its store-bought counterparts, not only for its flavor but also for the personal touch you can add to it. From mixing the batter to frosting the cake, it’s a wonderful way to share joy and create lasting memories. I can’t wait for you to try this simple and delightful recipe that promises to impress friends and family alike!
Table of Contents
Why You’ll Love This Recipe
- Simple & Quick: In just about an hour, you can have this festive cake ready to enjoy with minimal fuss.
- Irresistible Flavor: Moist, buttery cake complemented by a pop of sweetness from the sprinkles makes it a crowd-pleaser.
- Eye-Catching Appeal: Its colorful funfetti adds a playful element to any occasion, making it a standout centerpiece.
- Flexible Serving: Perfect for birthdays, family gatherings, or just a fun afternoon snack any time of year.
- Diet-Friendly Options: Easily adaptable to make gluten-free or dairy-free versions for diverse dietary needs.
Ingredients You’ll Need
- 2 cups all-purpose flour – This serves as the cake’s structure. Feel free to use a gluten-free blend if needed.
- 2 teaspoons baking powder – Essential for helping the cake rise and achieve the perfect texture.
- ¾ teaspoon salt – Enhances the flavors and balances the sweetness.
- 1 cup unsalted butter, melted – For richness and moisture; always choose unsalted to control the saltiness.
- 1 ½ cups granulated sugar – Sweetens the cake beautifully; can substitute with a sugar alternative if desired.
- 4 large eggs – Provides moisture, richness, and helps bind the ingredients.
- 1 teaspoon vanilla extract – Adds depth of flavor; opt for pure vanilla for the best result.
- 1 cup buttermilk – This tangy addition creates a tender crumb. Use regular milk with a splash of vinegar as a substitute if necessary.
- 1 cup rainbow sprinkles – The fun part! Use high-quality sprinkles to ensure they hold their color in the batter.
- 1 cup unsalted butter, softened – For a fluffy frosting that will hold its shape and taste creamy.
- 4 cups powdered sugar – Sweetens the frosting without being overpowering; helps create a silky texture.
- 1 teaspoon vanilla extract – A must for adding flavor to your frosting as well.
- ½ teaspoon salt – Balances the sweetness of the frosting.
- 2-5 tablespoons heavy whipping cream – Used to adjust the frosting’s consistency; use more for a looser texture.
- ½ cup sprinkles plus more for topping – Essential for making a festive finish.
How to Make Funfetti Cake

- Preheat and Prep: Start by preheating your oven to 350°F (175°C). Grease and flour a 9×13-inch baking pan to ensure that your cake comes out effortlessly.
- Mix Dry Ingredients: In a medium bowl, whisk together 2 cups all-purpose flour, 2 teaspoons baking powder, and ¾ teaspoon salt. This mixture ensures even distribution of the leavening agent and seasoning.
- Cream Butter and Sugar: In a large bowl, using a stand mixer or hand mixer, mix 1 cup melted unsalted butter and 1 ½ cups granulated sugar on medium speed until the mixture is smooth and slightly fluffy. Gradually add in the 4 large eggs, one at a time, ensuring they are fully incorporated before adding the next.
- Add Vanilla: Stir in 1 teaspoon vanilla extract. This sweet aroma will start filling your kitchen, heralding the deliciousness ahead!
- Combine Wet and Dry Ingredients: Alternately add the 1 cup buttermilk and the dry mixture to the butter mixture. Start with a third of the flour mixture, then pour in half the buttermilk, mix at medium-high speed, scrape down the sides, and continue alternating until it’s just combined. Lastly, gently fold in 1 cup rainbow sprinkles.
- Bake: Pour the vibrant batter into the prepared pan and bake in the preheated oven for 30-40 minutes, or until a toothpick inserted into the center comes out clean.
- Cool Completely: Allow the cake to cool in the pan for about 10 minutes before transferring it to a wire rack to cool completely.
- Make the Frosting: While the cake cools, beat 1 cup softened unsalted butter until creamy. Gradually add in the 4 cups powdered sugar, mixing on low speed until fully incorporated. Add 1 teaspoon vanilla extract, ½ teaspoon salt, and 2 tablespoons heavy whipping cream. Blend until smooth, adding more cream if needed to reach your desired consistency. Finally, fold in ½ cup sprinkles for that festive swirl.
- Frost and Decorate: Once the cake is cool, generously frost it with the sprinkles-infused buttercream. Top with extra sprinkles for that final fun touch! I recommend using an offset spatula for an even spread.
- Serve & Enjoy: Now, slice up that delightful Funfetti Cake and enjoy it with everyone you love. It can also be stored loosely covered for up to two days, keeping the excitement alive!
Storing & Reheating
To preserve the delightful freshness of your Funfetti Cake, store it at room temperature for up to two days, loosely covered, to maintain its moist texture. If you need to keep it longer, try refrigerating it in an airtight container for up to a week. To freeze, wrap individual slices tightly in plastic wrap and store them in a freezer-safe bag for up to three months. When you’re ready to indulge again, simply thaw at room temperature or warm in the microwave for about 15 seconds, refreshing the flavors and texture.
Chef’s Helpful Tips
- Perfect Temperature: Ensure your ingredients, especially butter and eggs, are at room temperature for smoother mixing and better texture.
- Don’t Overmix: Once you add the flour, mix just until combined to avoid a dense cake.
- Sprinkle Types: Use only nonpareils or jimmies for the batter; other sprinkle types can bleed color.
- Test for Doneness: Check your cake at the shorter bake time; it’s done when a toothpick inserted comes out clean or with a few moist crumbs.
- Making Cupcakes: This batter also works beautifully for cupcakes. Bake them for 18-20 minutes in cupcake liners.
The bright and festive nature of Funfetti Cake not only captivates the eye but also warms the heart. It’s a wonderful balance of easy preparation and joyful rewards, perfect for any occasion or just because! Besides its vibrant appearance and scrumptious taste, it invites creativity in your kitchen, blending well with personalized touches or unique frosting flavors.
Remember, there’s no limit to how you can enjoy this delightful cake, so get creative! Share it with friends and family, make it for festive gatherings, or savor a slice during your quiet moments. The joy of baking and indulging in this treat is an experience you won’t forget!

Recipe FAQs
Can I use butter instead of buttermilk?
How can I make this cake gluten-free?
How can I store leftover cake?
Can I make Funfetti Cake ahead of time?
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Funfetti Cake
- Prep Time: 15 minutes
- Cook Time: 55 minutes
- Total Time: 1 hour 10 minutes
- Yield: 24 servings 1x
- Category: Desserts
- Method: Baking
- Cuisine: American
Description
This Funfetti Cake offers a delightful flavor with vibrant sprinkles. It’s simple to prepare and a perfect treat for birthdays, celebrations, or just because. Everyone loves this colorful and fluffy cake that feels like a party in every bite!
Ingredients
- 2 cups (248g) all-purpose flour
- 2 teaspoons baking powder
- ¾ teaspoon salt
- 1 cup (226g) unsalted butter, melted
- 1 ½ cups (300g) granulated sugar
- 4 large eggs
- 1 teaspoon vanilla extract
- 1 cup (237ml) buttermilk
- 1 cup (225g) rainbow sprinkles
- 1 cup (226g) unsalted butter, softened
- 4 cups (452g) powdered sugar
- 1 teaspoon (15 ml) vanilla extract
- ½ teaspoon salt
- 2-5 tablespoons (30-75ml) heavy whipping cream
- ½ cup (112g) sprinkles plus more for topping
Instructions
- Preheat oven to 350°F and grease and flour a 9×13-inch baking pan.
- In a medium bowl, whisk together flour, baking powder, and salt; set aside.
- In a large bowl, mix melted butter and granulated sugar on medium speed until smooth. Add eggs one at a time and then add vanilla.
- Gradually mix in the buttermilk with the dry ingredients, starting and ending with buttermilk, mixing until just combined. Fold in rainbow sprinkles.
- Pour the batter into the prepared pan and bake for 30-40 minutes or until a toothpick inserted comes out clean. Allow to cool completely before frosting.
- To prepare the frosting, beat softened butter until creamy, then gradually add powdered sugar until crumbly. Mix in vanilla, salt, and heavy cream until desired consistency is reached. Stir in sprinkles.
- Frost the cooled cake and top with additional sprinkles. Use an offset spatula for easy frosting. Store loosely covered for up to 2 days.
- This batter can also create 24 cupcakes, two 9-inch round cakes, or three 8-inch round cakes.
Notes
For best results, ensure your butter is at room temperature when making the frosting.
Keep any leftovers covered to maintain freshness. You can also freeze the cake for longer storage.
Nutrition
- Serving Size: 1 slice
- Calories: 380
- Sugar: 40g
- Sodium: 200mg
- Fat: 18g
- Saturated Fat: 10g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 55g
- Fiber: 0g
- Protein: 3g
- Cholesterol: 60mg




