Spring Funfetti Cake Pastel

Spring arrives on a plate with this joyful funfetti cake, where every slice is a celebration of color and lightness. The tender vanilla crumb is dotted with rainbow sprinkles that hold their shape and brightness through baking, while whimsical pastel buttercream swirls crown the layers in soft hues of pink, blue, yellow, and purple. This is the cake that turns ordinary gatherings into memorable moments, whether you're welcoming the season, celebrating a birthday, or simply craving something wonderfully cheerful.

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The magic of this cake lies in the details: room temperature ingredients ensure a silky batter, sour cream adds moisture and tang, and high-quality jimmies—not nonpareils—maintain their vibrant color without bleeding. The pastel buttercream is divided and tinted with gel food coloring, then dolloped or piped onto the cooled layers for a dreamy marbled effect that looks like an artist's palette come to life.

Ingredients

• For the Cake:
• 2 1/2 cups (315 g) all-purpose flour
• 2 1/2 tsp baking powder
• 1/2 tsp baking soda
• 1/2 tsp salt
• 1 cup (225 g) unsalted butter, room temperature
• 1 1/2 cups (300 g) granulated sugar
• 4 large eggs, room temperature
• 2 tsp pure vanilla extract
• 1 cup (240 ml) whole milk, room temperature
• 1/2 cup (120 g) sour cream, room temperature
• 2/3 cup (100 g) rainbow sprinkles (jimmies, not nonpareils)
• For the Pastel Buttercream:
• 1 1/2 cups (340 g) unsalted butter, room temperature
• 5 cups (600 g) powdered sugar, sifted
• 1/4 cup (60 ml) whole milk
• 2 tsp pure vanilla extract
• Pinch of salt
• Food coloring gels: pastel pink, blue, yellow, and purple

Instructions

Step 1

Preheat oven to 350°F (175°C). Grease and line two 9-inch (23 cm) round cake pans with parchment paper.

Step 2

In a medium bowl, whisk together flour, baking powder, baking soda, and salt.

Step 3

In a large bowl, beat the butter and sugar together until light and fluffy (about 3 minutes).

Step 4

Add eggs one at a time, beating well after each addition. Mix in vanilla extract.

Step 5

In a separate bowl, whisk milk and sour cream until combined.

Step 6

Add the flour mixture to the butter mixture in three parts, alternating with the milk mixture, beginning and ending with flour. Mix just until combined.

Step 7

Gently fold in the rainbow sprinkles with a spatula.

Step 8

Divide batter evenly between the prepared pans. Smooth tops.

Step 9

Bake for 28–32 minutes, or until a toothpick inserted into the center comes out clean.

Step 10

Cool cakes in pans for 10 minutes, then turn onto a wire rack to cool completely.

Pastel Buttercream - Step 11

Beat butter until smooth and creamy (about 2 minutes).

Step 12

Gradually add powdered sugar, mixing on low until incorporated.

Step 13

Add milk, vanilla, and salt. Beat on high until fluffy (2–3 minutes).

Step 14

Divide buttercream into 4 bowls. Tint each with a different pastel color using food gel.

Step 15

To decorate, dollop or pipe colored buttercream onto cooled cake layers as desired. Swirl colors together for a marbled pastel effect.

Zusatztipps für die Zubereitung

Ensure all dairy ingredients—butter, eggs, milk, and sour cream—are at room temperature before beginning. This allows them to emulsify properly, creating a smooth, uniform batter with optimal rise. When folding in the sprinkles, use a gentle hand to avoid breaking them or overworking the batter. For the buttercream, sift the powdered sugar to eliminate lumps and achieve a silky texture. Start with a very small amount of gel food coloring; you can always add more to deepen the pastel shades, but it's difficult to lighten them once tinted.

Varianten und Anpassungen

Transform this recipe into 24 cupcakes by dividing the batter among lined muffin tins and baking for 22–24 minutes. Substitute Greek yogurt for sour cream if needed, maintaining the same moisture and tang. For a different flavor profile, replace vanilla extract with almond extract or add the zest of one lemon to the batter. If you prefer a single-color buttercream instead of pastels, use the full batch with your chosen shade. For a gluten-free version, substitute a 1:1 gluten-free baking flour blend, though texture may vary slightly.

Serviervorschläge

Serve this spring funfetti cake as the centerpiece of your dessert table, garnished with extra sprinkles or fresh edible flowers for an elegant touch. Pair each slice with a glass of sparkling Moscato, which complements the vanilla sweetness, or serve with fresh lemonade for a refreshing contrast. For an indulgent treat, add a scoop of vanilla bean ice cream alongside. This cake is perfect for Easter brunch, spring birthday parties, baby showers, or any occasion that calls for a dose of pure joy and color.

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This spring funfetti cake with pastel buttercream is more than a dessert—it's edible happiness, a reminder that life's sweetest moments are worth celebrating with color, creativity, and a generous slice of joy. Whether you're an experienced baker or trying your hand at layered cakes for the first time, the reward is a stunning creation that tastes as delightful as it looks, bringing smiles to every table it graces.

Recipe FAQs

→ What type of sprinkles works best?

Use jimmies style sprinkles to avoid color bleeding and maintain a vibrant appearance within the cake.

→ Can sour cream be substituted?

Yes, Greek yogurt is a suitable alternative that adds moisture and tenderness without altering flavor significantly.

→ How do I achieve the pastel colors in the buttercream?

Divide buttercream into portions and tint each with food coloring gels in soft pastel shades, then swirl or pipe as desired.

→ What baking pans are recommended?

Two 9-inch round pans provide even layers and proper baking times for consistent results.

→ How to know when the cake is done?

Insert a toothpick into the center; it should come out clean or with a few moist crumbs when fully baked.

→ Can this be made into cupcakes?

Yes, bake in cupcake liners for 22–24 minutes for smaller portions with similar flavor and texture.