Jellycat Birthday Cake with Buttercream Frosting

Highlighted under: Sweet Treats Recipes

I love baking this Jellycat Birthday Cake with Buttercream Frosting for special occasions. The fluffy sponge and rich, buttery icing evoke joy and warmth, making any celebration even more memorable. Every layer is packed with flavor, and I enjoy adding little surprises, like sprinkles or fruit. This cake is not just a treat for the taste buds but also a feast for the eyes. Whether you're celebrating a birthday or simply treating yourself, this cake is sure to impress your guests.

Jackies

Created by

Jackies

Last updated on 2026-02-16T15:42:19.227Z

Baking this Jellycat Birthday Cake brings back wonderful memories of childhood celebrations. I remember the first time I tried making it; the delightful colors and flavors revolutionized my approach to cake decorating. I realized that it's all about balance—getting the sponge light while ensuring the frosting is smooth and creamy is key.

As I developed my technique, I discovered that using room temperature butter for the frosting made all the difference in achieving the perfect consistency. I love mixing in a hint of vanilla to elevate the flavor profile further, making it both nostalgic and exciting.

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Why You'll Love This Recipe

  • Bright and whimsical design that delights everyone
  • Lush, creamy buttercream that pairs perfectly with the sponge
  • Customizable with flavors and decorations to suit any party theme

Mastering the Cake Layers

Achieving the perfect cake layers starts with creaming the butter and sugar together until the mixture is light and fluffy. This process incorporates air, creating a sponge that rises beautifully as it bakes. It's essential to beat in the eggs one at a time, ensuring each one is fully incorporated before adding the next. This step helps to stabilize the batter and provides that light, airy texture that makes this cake so delightful.

When mixing the dry ingredients, ensure you sift the flour, baking powder, and salt together. This not only helps aerate the mixture but also breaks up any lumps in the flour, resulting in a finer cake crumb. If you incorporate food coloring, do so gradually until you achieve your desired hue. A little goes a long way, especially when creating vibrant, eye-catching layers.

Frosting Tips for Success

The key to achieving a smooth buttercream frosting lies in the consistency of the ingredients. Start with softened butter; it should be creamy but not melty, as this can lead to a greasy or overly runny frosting. Gradually incorporating powdered sugar helps maintain the right texture. If your frosting is too thick, add a teaspoon of milk at a time until it reaches your desired consistency.

For an extra touch of flavor, consider infusing your buttercream with extracts beyond vanilla. Almond extract adds a lovely nutty note that pairs wonderfully with the cake. If you're using food coloring, always opt for gel-based colors for their vibrant results, and remember to mix thoroughly to avoid streaks. This not only enhances the visual appeal but elevates the overall taste experience.

Storage and Variations

This cake can be made ahead of time, making it perfect for busy celebrations. Once assembled and frosted, store it in an airtight container at room temperature for up to three days. If you need to prepare it further in advance, freeze the unfrosted cake layers. Wrap them tightly in plastic wrap and foil; they can be frozen for up to three months. When ready to enjoy, simply thaw and frost as you desire.

For a fun twist, try incorporating different flavor profiles into your cake. Replace half a cup of milk with fruit juice for a citrusy version, or add cocoa powder to the flour for a chocolatey treat. You can also fill the layers with jam or whipped cream to surprise your guests with added texture and flavor. Experimenting with flavors ensures that each celebration can have its unique twist.

Ingredients

For the Cake

  • 2 cups all-purpose flour
  • 1 1/2 cups granulated sugar
  • 1/2 cup unsalted butter, softened
  • 1 cup milk
  • 4 large eggs
  • 1 tablespoon baking powder
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon salt
  • Food coloring (optional)

For the Buttercream Frosting

  • 1 cup unsalted butter, softened
  • 4 cups powdered sugar
  • 2 tablespoons milk
  • 1 teaspoon vanilla extract
  • Food coloring (optional)
  • Sprinkles for decoration (optional)

Instructions

Prepare the Cake Batter

Preheat your oven to 350°F (175°C). In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy. Beat in the eggs one at a time, followed by the vanilla extract. In another bowl, sift together the flour, baking powder, and salt. Gradually add the dry ingredients to the wet mixture, alternating with the milk until just combined. Optionally, mix in dye to achieve desired color.

Bake the Cake

Divide the batter evenly into two prepared round cake pans. Bake in the preheated oven for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Let the cakes cool in the pans for 10 minutes, then transfer to wire racks to cool completely.

Make the Buttercream Frosting

In a clean bowl, beat the softened butter until creamy. Gradually add the powdered sugar, alternating with the milk, and beat until fluffy. Stir in the vanilla extract and any food coloring you desire.

Assemble the Cake

Once the cakes are completely cooled, place one layer on a serving plate. Spread a generous amount of buttercream frosting on top. Place the second layer on top and frost the top and sides of the cake evenly with the remaining buttercream. Decorate with sprinkles as desired.

Pro Tips

  • For an extra layer of flavor, consider adding orange or lemon zest to the buttercream. Allow the cake to chill in the fridge for about 30 minutes after frosting to set the buttercream properly for easier slicing.

Troubleshooting Common Issues

If your cake layers are domed rather than flat, it likely means your oven temperature was too high or that you overmixed the batter. To prevent this, use an oven thermometer to ensure accurate readings, and mix until just combined. For flat layers, you might also want to check that you're not overfilling the pans; filling them two-thirds full typically yields the best results.

If your buttercream frosting is too grainy, it may be due to not sifting the powdered sugar. Always sift before measuring. Additionally, ensure you beat the butter sufficiently before adding sugar; this helps to incorporate air and create that creamy, glossy finish. If all else fails, give the frosting a quick whirl with an immersion blender to smooth it out.

Serving Suggestions

When it comes to serving this Jellycat Birthday Cake, a simple garnish can make a world of difference. Consider adding fresh fruit like raspberries or strawberries for a burst of freshness alongside the rich buttercream. Alternatively, a drizzle of chocolate ganache can elevate the visual appeal while adding a decadent layer of flavor.

To create a more festive presentation, use a cake stand and add colorful candles or edible glitter. Slicing the cake into layers can also showcase its vibrant colors and textures. For a themed party, tailor the decorations on top of the cake to match your celebration; this creates a cohesive look that impresses all your guests.

Questions About Recipes

→ Can I make this cake ahead of time?

Yes! You can bake the cake layers a day in advance and store them in an airtight container. Frost them on the day you plan to serve.

→ What can I substitute for butter in the cake?

You can use vegetable oil or applesauce as a substitute, but this may alter the texture slightly.

→ How should I store leftover cake?

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

→ Can I freeze the cake?

Certainly! Wrap it tightly in plastic wrap and aluminum foil, then freeze for up to 3 months. Thaw in the refrigerator overnight before serving.

Jellycat Birthday Cake with Buttercream Frosting

I love baking this Jellycat Birthday Cake with Buttercream Frosting for special occasions. The fluffy sponge and rich, buttery icing evoke joy and warmth, making any celebration even more memorable. Every layer is packed with flavor, and I enjoy adding little surprises, like sprinkles or fruit. This cake is not just a treat for the taste buds but also a feast for the eyes. Whether you're celebrating a birthday or simply treating yourself, this cake is sure to impress your guests.

Prep Time30 minutes
Cooking Duration25 minutes
Overall Time55 minutes

Created by: Jackies

Recipe Type: Sweet Treats Recipes

Skill Level: Intermediate

Final Quantity: 12 servings

What You'll Need

For the Cake

  1. 2 cups all-purpose flour
  2. 1 1/2 cups granulated sugar
  3. 1/2 cup unsalted butter, softened
  4. 1 cup milk
  5. 4 large eggs
  6. 1 tablespoon baking powder
  7. 1 teaspoon vanilla extract
  8. 1/2 teaspoon salt
  9. Food coloring (optional)

For the Buttercream Frosting

  1. 1 cup unsalted butter, softened
  2. 4 cups powdered sugar
  3. 2 tablespoons milk
  4. 1 teaspoon vanilla extract
  5. Food coloring (optional)
  6. Sprinkles for decoration (optional)

How-To Steps

Step 01

Preheat your oven to 350°F (175°C). In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy. Beat in the eggs one at a time, followed by the vanilla extract. In another bowl, sift together the flour, baking powder, and salt. Gradually add the dry ingredients to the wet mixture, alternating with the milk until just combined. Optionally, mix in dye to achieve desired color.

Step 02

Divide the batter evenly into two prepared round cake pans. Bake in the preheated oven for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Let the cakes cool in the pans for 10 minutes, then transfer to wire racks to cool completely.

Step 03

In a clean bowl, beat the softened butter until creamy. Gradually add the powdered sugar, alternating with the milk, and beat until fluffy. Stir in the vanilla extract and any food coloring you desire.

Step 04

Once the cakes are completely cooled, place one layer on a serving plate. Spread a generous amount of buttercream frosting on top. Place the second layer on top and frost the top and sides of the cake evenly with the remaining buttercream. Decorate with sprinkles as desired.

Extra Tips

  1. For an extra layer of flavor, consider adding orange or lemon zest to the buttercream. Allow the cake to chill in the fridge for about 30 minutes after frosting to set the buttercream properly for easier slicing.

Nutritional Breakdown (Per Serving)

  • Calories: 380 kcal
  • Total Fat: 26g
  • Saturated Fat: 15g
  • Cholesterol: 195mg
  • Sodium: 85mg
  • Total Carbohydrates: 32g
  • Dietary Fiber: 3g
  • Sugars: 24g
  • Protein: 6g