Strawberry Funfetti Cake with Buttercream

My daughter's sixth birthday party taught me that sometimes the messiest moments make the best stories. She'd begged for a rainbow cake, and when I pulled this Strawberry Funfetti creation from the oven, three-year-olds literally cheered. The kitchen looked like a confetti bomb had gone off, but watching her face light up when she saw those specks of color throughout the strawberry-studded cake made every speck of glitter on my floor worth it.

Last summer, my neighbor Jane texted me at midnight asking for the recipe after her daughter kept talking about the pink cake with rainbows. I wound up dropping off a slice on her porch the next morning, which led to a month-long cake exchange between our families. Sometimes food is just the excuse we need to connect with people.

Ingredients

• All-purpose flour: The foundation that holds all those cheerful sprinkles in place without becoming dense
• Baking powder: Gives this party cake the lift it needs while staying tender enough for little hands
• Salt: Just enough to balance the sweetness and make strawberry flavors pop
• Unsalted butter: Room temperature butter is non-negotiable for that fluffy texture we are after
• Granulated sugar: Creates the tender crumb structure while letting strawberries shine through
• Large eggs: Must be room temperature or they will seize up your butter mixture like a bad science experiment
• Whole milk: Adds moisture and richness, also needs to be room temperature for even mixing
• Fresh strawberries: Finely chopped so they distribute evenly without creating soggy pockets
• Pure vanilla extract: Never skip this, it bridges the gap between strawberry and butter flavors
• Rainbow sprinkles: Use jimmies-style sprinkles because nonpareils will bleed into your batter like tie-dye gone wrong
• Butter for frosting: Again, room temperature prevents lumps and ensures silky smooth buttercream
• Powdered sugar: Sift it first or you will spend twenty minutes beating out lumps like I learned the hard way
• Strawberry puree: Blend and strain fresh berries for the most natural pink color and genuine berry flavor
• Milk or cream: Your secret weapon for adjusting buttercream consistency without adding more sugar

Instructions

Get your oven ready:

Preheat to 350°F and prepare your cake pans like you are getting ready for the most important guest in your kitchen

Whisk the dry team:

Combine flour, baking powder, and salt in a medium bowl so they are ready to jump in when needed

Create the fluffy base:

Beat butter and sugar until it is pale and airy, about 3 to 4 minutes of your mixer working hard

Add the eggs properly:

Drop them in one at a time, letting each one fully incorporate before adding the next, then stir in vanilla

Build the batter carefully:

Alternate between flour mixture and milk, starting and ending with flour, mixing until just combined

Fold in the fun stuff:

Gently incorporate chopped strawberries first, then sprinkles, using a light hand so colors stay vibrant

Bake with patience:

Divide between pans and bake 28 to 32 minutes until a toothpick comes out clean

Cool completely:

Let them rest 10 minutes in pans, then cool completely before frosting or you will have a melty mess

Make the magic frosting:

Beat butter until creamy, gradually add powdered sugar, then blend in strawberry puree and vanilla until silky

Assemble your masterpiece:

Frost between layers, then cover top and sides, adding extra sprinkles because why not

Save

My grandmother would have turned up her nose at sprinkles in a cake, but after tasting this at our family reunion last spring, she asked for the recipe. Sometimes tradition needs a little confetti.

Making This Cake Ahead

I learned through experience that cake layers freeze beautifully for up to a month. Wrap them tightly in plastic while still slightly warm, then frost whenever you are ready to party. The buttercream, though, is best made fresh because the strawberry puree can separate after freezing.

Getting That Perfect Strawberry Flavor

After dozens of batches, I discovered that the most intense strawberry flavor comes from using really ripe berries and reducing the puree slightly on the stove before adding it to your frosting. It concentrates everything without needing artificial extracts.

Decorating Like A Pro

Start with a crumb coat, a thin layer of frosting that traps all the loose crumbs, then chill for 15 minutes before adding your final layer. This simple step changed my entire cake game and gave me those smooth, professional-looking results I used to admire in bakery windows.

• Keep a small bowl of warm water nearby to dip your spatula in for smoothing frosting
• Press sprinkles gently into the sides of the frosted cake for better adhesion
• Decorate the same day you plan to serve or sprinkles will bleed into the frosting

Save

This cake has become my go-to for celebrating everything from promotions to Tuesdays that need brightening. Hope it brings as much joy to your table as it has to mine.

Recipe FAQs

→ Can I use frozen strawberries instead of fresh?

Yes, frozen strawberries work well. Thaw completely and drain excess liquid before chopping for the cake batter. For the buttercream puree, thaw and strain thoroughly to avoid thinning the frosting.

→ How do I prevent sprinkles from bleeding into the batter?

Use jimmies-style sprinkles rather than nonpareils. Gently fold them in at the very end, mixing just until incorporated. Over-mixing causes colors to bleed.

→ Can I make this as cupcakes?

Absolutely. The batter yields approximately 24 cupcakes. Reduce baking time to 18–22 minutes, testing with a toothpick for doneness. Frost cooled cupcakes with the same strawberry buttercream.

→ How should I store the finished cake?

Keep at room temperature in an airtight container for up to 24 hours. For longer storage (up to 4 days), refrigerate. Bring to room temperature before serving for best texture and flavor.

→ Can I prepare components ahead of time?

Cake layers can be baked, wrapped tightly, and frozen for up to 1 month. Thaw overnight before frosting. The buttercream can be made 1–2 days ahead and refrigerated; bring to room temperature and re-whip before using.

→ What type of sprinkles work best?

Jimmies (the elongated rod-shaped sprinkles) are ideal because they hold their color during baking. Avoid nonpareils (tiny balls) as they tend to bleed and create speckled batter.