Few cakes feel as cheerful and easy to bake as funfetti cake. Soft vanilla layers filled with rainbow sprinkles bring the kind of color that suits birthdays, school parties, and slow weekends when you want something simple but still fun.
This version keeps the crumb tender, the frosting easy to spread, and the sprinkles look bright instead of muddy. If you like homemade cakes that feel festive without turning into a project, save this one with your dessert recipes for later.
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Ingredients
Funfetti cake works best with simple baking staples and the right kind of sprinkles. Jimmies are the better choice here because they hold their shape better in batter and are less likely to streak the whole cake with color.
| Ingredient | Amount | Why it works |
|---|---|---|
| All-purpose flour | 2 ½ cups | Gives the cake structure |
| Baking powder | 2 ½ teaspoons | Helps the layers rise evenly |
| Fine salt | ½ teaspoon | Balances the sweetness |
| Unsalted butter, softened | ¾ cup | Adds rich flavor and a soft crumb |
| Granulated sugar | 1 ¾ cups | Sweetens and helps with texture |
| Large eggs, room temperature | 4 | Add structure and richness |
| Vanilla extract | 1 tablespoon | Gives the cake its classic flavor |
| Buttermilk, room temperature | 1 cup | Keeps the crumb tender |
| Rainbow jimmies | ¾ cup | Bring the signature color |
For the frosting
| Ingredient | Amount | Why it works |
|---|---|---|
| Unsalted butter, softened | 1 cup | Creates a smooth buttercream base |
| Powdered sugar | 3 ½ to 4 cups | Sweetens and thickens the frosting |
| Vanilla extract | 2 teaspoons | Rounds out the flavor |
| Milk or cream | 2 to 3 tablespoons | Loosens the frosting as needed |
| Fine salt | Small pinch | Keeps the frosting from tasting flat |
| Extra sprinkles | 2 to 3 tablespoons | Add a festive finish |
Cake lovers who enjoy soft vanilla-based bakes may also want to save light vanilla sponge cake for another day. For frosting color, Colorado State 4-H notes that gel paste is preferred because it does not thin icing the way liquid color can.
Instructions
Step 1: Prep the pans and oven
Heat the oven to 350°F. Grease two 8-inch round cake pans, then line the bottoms with parchment paper. Lightly flour the sides if needed.
Step 2: Mix the dry ingredients
Whisk the flour, baking powder, and salt in a medium bowl. Set the bowl aside so everything is ready when you start mixing.
Step 3: Cream the butter and sugar
Beat the butter and sugar in a large bowl for 3 to 4 minutes until the mixture looks pale and fluffy. This step helps the funfetti cake bake up lighter, so give it the time it needs.
Step 4: Add the eggs and vanilla
Mix in the eggs one at a time. Scrape the bowl after each addition so the batter stays smooth. Stir in the vanilla.
Step 5: Add the flour mixture and buttermilk
Add the dry ingredients in three parts, alternating with the buttermilk in two parts. Mix on low speed and stop as soon as the flour disappears. Overmixing can make the cake tight instead of soft.
Step 6: Fold in the sprinkles
Use a spatula to fold in the rainbow jimmies gently. Stir only until they are spread through the batter. This small step helps keep the colorful dessert looking clean and bright.
Step 7: Bake the layers
Divide the batter between the pans and smooth the tops. Bake for 28 to 32 minutes, or until the centers spring back lightly, and a toothpick comes out clean or with a few soft crumbs.
Step 8: Cool and frost
Let the cakes rest in the pans for 10 minutes, then turn them out onto a rack to cool fully. For the frosting, beat the butter until creamy. Add the powdered sugar, vanilla, salt, and enough milk to make a soft, spreadable buttercream. Frost the cooled layers, then finish with extra sprinkles on top.
Taste and texture
This funfetti dessert has a soft, buttery crumb with a clean vanilla flavor and little bursts of color in every slice. Sprinkles give it a playful look, but the cake itself stays balanced and simple enough for everyday baking. Frosting adds sweetness and a creamy finish without making it feel too heavy. If you like bright layer cakes, a fresh strawberry layered strawberry delight brings the same party feels in a fruitier direction.
Substitutions
Small swaps can still give you a good result.
| Swap | Use Instead | Result |
|---|---|---|
| Buttermilk | Whole milk plus 1 tablespoon lemon juice or vinegar | Keeps the cake tender |
| All-purpose flour | Cake flour | Gives a slightly softer crumb |
| Homemade buttercream | Store-bought vanilla frosting | Saves time |
| Unsalted butter | Plant-based baking butter | Works for a dairy-free version |
| Rainbow jimmies | Pastel jimmies | Gives a softer color look |
Nonpareils can work in a pinch, but they tend to bleed faster than jimmies and can tint the batter more than you want.
Variations
- Funfetti cake is easy to change without losing its charm.
- Bake it in a 9x13 pan for a casual sheet cake, or turn the batter into cupcakes if you want easy party servings.
- Lemon zest gives the cake a brighter edge, which makes zesty lemon drizzle with citrus icing a smart one to save if you like citrus sweets.
- Cream cheese frosting can also work, though the finish will be tangier and richer than classic buttercream.
- For that kind of topping, moist carrot cake with cream cheese frosting is a good example of how cream cheese changes the whole feel of a cake.
- This party sweet recipe also works well with extra sprinkles pressed onto the sides for a bolder finish.
Equipment
You do not need much to make the sprinkle sweet come out well.
- Two 8-inch round cake pans
- Mixing bowls
- Hand mixer or stand mixer
- Rubber spatula
- Cooling rack
- Offset spatula or spoon for frosting
Storage
Keep the funfetti cake covered at room temperature for up to 1 day if you use buttercream and your kitchen is cool.
Refrigerate it for longer storage, then bring slices back to room temperature before serving so the crumb softens again.
Freeze unfrosted layers well wrapped for up to 2 months. If you switch to cream cheese frosting, the FDA says cakes with cream cheese frosting should be refrigerated.
Top Tips
- Use rainbow jimmies instead of tiny nonpareils for cleaner color in the batter.
- Fold the sprinkles in last and mix only until they are spread through the batter.
- Let the cake cool fully before frosting so the buttercream stays in place.
- Level the cake layers if you want a neater stacked finish.
- Chill the frosted cake for 15 to 20 minutes before slicing for cleaner cuts.
- Keep the mixing gentle so the cake stays soft and the colors stay bright.
Frequently Asked Questions
What’s Funfetti?
Funfetti is a vanilla-style cake or batter with colorful sprinkles mixed in. Once baked, those sprinkles leave little pops of color through the crumb, which gives the cake its signature party look.
Sprinkle tips?
Use rainbow jimmies for the best result, and fold them in at the end with a spatula. Do not let the batter sit too long before baking, because the colors can start to spread more than you want. Gentle mixing helps the colorful dessert stay bright instead of streaky.
Best frosting?
Classic American buttercream is the best frosting for this recipe because it is simple, sweet, easy to color, and easy to spread or pipe. For home bakers, Clemson Extension explains that American buttercream is commonly used on cakes and cupcakes and works well for piping details.
How to keep colors bright?
Stick with rainbow jimmies, fold them in gently, and stop mixing as soon as they are spread through the batter. Gel food color is the better option if you want to tint the frosting too, since liquid color can thin it out and make the shade harder to control.
Recipe Card
Funfetti Party Favorite with Sprinkles
Ingredients
- 2 ½ cups all-purpose flour
- 2 ½ teaspoon baking powder
- ½ teaspoon fine salt
- ¾ cup unsalted butter, softened
- 1 ¾ cups granulated sugar
- 4 large eggs, room temperature
- 1 tablespoon vanilla extract
- 1 cup buttermilk, room temperature
- ¾ cup rainbow jimmies
- For the frosting
- 1 cup unsalted butter, softened
- 3 ½ to 4 cups powdered sugar
- 2 teaspoon vanilla extract
- 2 to 3 tablespoon milk or cream
- 2 to 3 tablespoon extra sprinkles for topping
- Small pinch of salt
Instructions
- Heat oven to 350°F and prepare two 8-inch round cake pans.
- Whisk flour, baking powder, and salt in a bowl.
- Beat butter and sugar until pale and fluffy.
- Add eggs one at a time, then mix in vanilla.
- Add dry ingredients and buttermilk in turns, mixing just until combined.
- Fold in the rainbow jimmies gently.
- Divide batter between pans and bake for 28 to 32 minutes.
- Cool in pans for 10 minutes, then cool fully on a rack.
- Beat frosting ingredients until smooth and spreadable.
- Frost the cooled cake and top with extra sprinkles.
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