Galentine's Funfetti Birthday Cake

Name: Galentine's Funfetti Birthday Cake
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: 12 servings
Ingredients: 2 1/2 cups all-purpose flour; 1 1/2 cups granulated sugar; 1 cup unsalted butter, softened; 1 cup milk; 4 large eggs; 1 tablespoon vanilla extract; 1 tablespoon baking powder; 1/2 teaspoon salt; 1 cup rainbow sprinkles; 1 cup unsalted butter, softened; 4 cups powdered sugar; 1 tablespoon vanilla extract; 2-3 tablespoons milk; Additional sprinkles for decoration

Highlighted under: Baking & Desserts

I absolutely love making Galentine's Funfetti Birthday Cake to celebrate friendship! Every time I whip up this colorful cake, it brings a sense of joy and festivity that is perfect for a gathering with my favorite gals. The vibrant sprinkles folded into the fluffy batter create such an inviting visual, and the rich buttery flavor makes it irresistible. Plus, the easy steps are totally manageable even for novice bakers. It’s a guaranteed crowd-pleaser that will have everyone coming back for seconds!

Created by

Emily

Last updated on 2026-01-05T21:18:29.787Z

Creating this Galentine's Funfetti Birthday Cake has become a cherished tradition among my friends. I remember the first time I made it for a birthday bash; the delight on everyone's faces was priceless! The sprinkles add a fun twist, transforming a simple cake into a vibrant celebration.

What I've learned is that folding in the sprinkles at the right moment ensures they stay suspended within the batter, rather than sinking to the bottom. This technique not only distributes them evenly but also keeps the cake looking festive from top to bottom!

        What You'll Love About This Cake
        Vibrant sprinkles that add a pop of color and joy
Moist, fluffy texture that melts in your mouth
Perfect for celebrating friendships and special moments

      

Baking Tips for Success

When baking the Galentine's Funfetti Birthday Cake, be mindful of the creaming process for the butter and sugar. It should take about 3-5 minutes of beating to reach a light and fluffy texture, which helps incorporate air into the batter. This airiness is crucial for creating a moist cake that has a tender crumb. If you're short on time, ensure your butter is softened at room temperature to achieve this quickly, avoiding the temptation to microwave it, which can melt it unevenly.

Another essential step is to alternate adding the wet and dry ingredients during mixing. This helps ensure that the dry ingredients are incorporated smoothly without developing gluten, which can lead to a dense cake. I usually mix the flour mixture in three parts, starting and ending with the flour, and on low speed to maintain tenderness. Be careful not to overmix after adding the milk, as this can also impact the final texture.

Frosting and Decoration Ideas

For the frosting, achieving the perfect consistency is key. After mixing the butter and powdered sugar together, add milk gradually until you reach a spreadable but not overly runny texture. A common mistake is adding too much liquid at once, which can lead to a frosting that slides off the cake. You should be able to spread it smoothly with a spatula while still keeping its shape on the cake layers.

Additionally, don’t shy away from experimenting with different colors or flavors in your frosting! You can mix in food coloring for a vibrant look or incorporate flavors like almond or lemon extract to complement the buttercream base. You might also sprinkle some edible glitter or themed decorations on top for a festive touch that aligns with your Galentine’s celebration!

Ingredients

Gather all your ingredients before starting to make the process smoother.

Cake Ingredients

2 1/2 cups all-purpose flour
1 1/2 cups granulated sugar
1 cup unsalted butter, softened
1 cup milk
4 large eggs
1 tablespoon vanilla extract
1 tablespoon baking powder
1/2 teaspoon salt
1 cup rainbow sprinkles

Frosting Ingredients

1 cup unsalted butter, softened
4 cups powdered sugar
1 tablespoon vanilla extract
2-3 tablespoons milk
Additional sprinkles for decoration

Make sure to measure accurately for the best results!

Instructions

Let’s get started on this delicious cake!

Preheat Oven

Preheat your oven to 350°F (175°C) and grease two 9-inch round cake pans.

Mix Dry Ingredients

In a bowl, whisk together the flour, baking powder, and salt until well combined.

Cream Butter and Sugar

In a large bowl, beat the softened butter and granulated sugar until light and fluffy.

Add Eggs and Vanilla

Add the eggs one at a time, mixing well after each addition, then stir in the vanilla extract.

Combine Wet and Dry

Gradually add the dry ingredients to the butter mixture, alternating with the milk. Start and end with the flour mixture.

Fold in Sprinkles

Gently fold in the rainbow sprinkles until evenly distributed throughout the batter.

Bake the Cake

Pour the batter evenly into the prepared cake pans and bake for 25-30 minutes or until a toothpick comes out clean.

Cool and Frost

Allow the cakes to cool in the pans for 10 minutes before transferring to a wire rack. Once cooled, frost with your favorite buttercream and top with additional sprinkles.

Enjoy this vibrant and fun cake with your friends!

Pro Tips

For an extra touch, try adding food coloring to the frosting to match the vibrant theme of the cake!

Storing and Serving

To store your Funfetti Birthday Cake, keep it in an airtight container at room temperature for up to three days. If you want to keep it longer, you can refrigerate it for a week, but be sure to bring it back to room temperature before serving to restore its soft texture. If freezing, wrap each layer tightly in plastic wrap and aluminum foil, and it can last for up to three months. Just thaw at room temperature before frosting and serving.

For a fun serving suggestion, consider layering the cake with whipped cream and fresh fruits like strawberries or raspberries for a refreshing twist. This not only adds flavor but also an appealing contrast to the rich buttercream frosting. When serving at gatherings, cutting the cake into square pieces can also make it easier for guests to enjoy multiple servings with the delightful combination of cake and frosting.

Ingredient Substitutions

If you're looking to make a dairy-free version of this cake, you can easily substitute the butter with a plant-based alternative like vegan butter or coconut oil, and use almond or soy milk in place of regular milk. This will help maintain the fluffy texture of the cake while accommodating dietary restrictions. Be sure to check the baking powder to ensure it's vegan-friendly as well.

For a lighter version, consider replacing half of the all-purpose flour with almond flour or oats, which adds a nutty flavor and additional moisture. Just keep in mind that this may slightly alter the texture, so adjusting the other ingredients may be necessary to achieve the perfect balance. It's a great way to incorporate varieties into your baking and cater to different tastes!

Questions About Recipes

→ Can I make this cake ahead of time?

Yes, the cake can be baked ahead of time and stored in an airtight container in the fridge for up to 2 days.

→ Can I use different flavored sprinkles?

Absolutely! Feel free to experiment with different themed sprinkles for varied occasions.

→ Is there a vegan option for this cake?

Yes, you can substitute butter with a vegan alternative, and use plant-based milk and egg replacers.

→ How do I store leftover cake?

Store leftover cake in an airtight container at room temperature for up to 3 days, or refrigerate for up to a week.