Moist Yellow Birthday Cake Recipe

When you think of a classic yellow birthday cake, it is hard not to picture soft, homemade yellow cake layers covered with a generous amount of chocolate buttercream. This cake is simple, familiar, and always welcome at celebrations. It has the comforting flavor of vanilla, a tender crumb, and just the right amount of richness from butter, whole eggs, and extra egg yolks.

This homemade yellow birthday cake is made from scratch and bakes into moist, soft layers with a fine crumb. It is sturdy enough for stacking and decorating, yet tender enough to feel light and fresh with every bite. Paired with rich chocolate buttercream, it becomes the kind of birthday cake recipe that works for all ages and almost any occasion.

What is Yellow Cake?

Yellow cake is a vanilla-flavored cake known for its warm, light yellow color. The shade comes naturally from ingredients such as butter, whole eggs, and additional egg yolks. Unlike many white cake recipes, which often use only egg whites, yellow cake uses whole eggs for a fuller flavor and a richer texture.

The extra egg yolks in this yellow birthday cake help add moisture, softness, and a gentle golden color. They also give the cake a more luxurious texture without making it heavy. The result is a flavorful vanilla cake that tastes wonderful with chocolate frosting, vanilla buttercream, cream cheese frosting, ganache, whipped cream filling, or fruit fillings.

How to Make Yellow Birthday Cake

This yellow birthday cake recipe is easy to prepare with simple baking steps. For the best texture, make sure the butter is slightly softened, the eggs are at room temperature, and the ingredients are measured carefully.

Prepare the pans: Preheat the oven to 350 degrees F. Grease and flour three 8×2 inch round cake pans or two 9×2 inch round cake pans. Three layers give the cake more filling between each layer, while two pans will create slightly thicker layers.

Mix the dry ingredients: In a medium bowl, combine the cake flour, baking powder, and salt. Whisk for about 30 seconds to evenly distribute the leavening and salt.

Mix the wet ingredients: In another bowl or measuring cup, stir together the sour cream, milk, vegetable oil, and vanilla extract. Sour cream helps create a softer crumb and adds richness to the cake batter.

Cream the butter and sugar: In the bowl of a mixer, beat the softened butter until smooth. Gradually add the sugar and beat on medium speed for 3 to 5 minutes, or until the mixture becomes fluffy and lighter in color.

Add the eggs: Add the whole eggs and extra egg yolks one at a time. Mix after each addition until the yellow of the yolk is fully blended into the batter.

Combine the mixtures: With the mixer on low speed, add the flour mixture and sour cream mixture alternately. Begin and end with the dry ingredients, using three additions of flour mixture and two additions of the wet mixture. Mix just until smooth and combined.

Bake the cake: Divide the batter evenly between the prepared pans. Bake for 25 to 28 minutes, or until a toothpick inserted into the center comes out clean or with just a few moist crumbs attached. Let the cakes cool in the pans for 5 to 10 minutes before turning them out.

Chocolate Buttercream Frosting

The rich chocolate buttercream is a perfect match for yellow birthday cake. It is smooth, creamy, deeply chocolatey, and easy to spread or pipe. Because this frosting uses a generous amount of cocoa powder, it has a darker color and a more intense chocolate flavor.

1. Melt the butter in a saucepan over low heat. Remove from the heat and stir in the cocoa powder until the mixture is smooth.
2. Pour the chocolate mixture into a mixing bowl and allow it to cool slightly.
3. With the mixer on low speed, add the powdered sugar and milk alternately. Add the vanilla extract.
4. Mix on medium speed for 4 to 5 minutes, or until the frosting is smooth, creamy, and easy to spread.

If the buttercream is too thick, add a small amount of milk or cream. If it is too thin, add more powdered sugar until it reaches the consistency you prefer. This frosting works well for filling, covering, and piping decorations onto the cake.

Assembling the Cake

1. Place the first yellow cake layer on a cake plate or pedestal. Spread a layer of chocolate buttercream evenly over the top.
2. Add the second cake layer and repeat with another layer of frosting.
3. Place the third cake layer on top. Fill any gaps between the layers with frosting as needed.
4. Apply a thin crumb coat over the entire cake. This seals in loose crumbs and creates a smooth base for the final frosting layer.
5. Chill the cake in the freezer for about 10 minutes, or refrigerate it a little longer, to help the crumb coat firm up before adding the final coat of frosting.

Decorating the Cake

1. Decorate the cake in any style you like. A smooth finish with piped borders is a classic choice for a birthday cake.
2. After applying the final coat of frosting, rotate the cake on a turntable while smoothing the sides with a bench scraper.
3. For an extra smooth finish, warm the bench scraper under hot water, dry it, and gently smooth the frosting. The slight warmth helps soften the surface of the buttercream.
4. Clean up the top edge by smoothing excess frosting toward the center with an offset spatula.
5. Pipe a border around the top edge using a star tip. Large shells, small shells, and small dots all work beautifully with this chocolate buttercream.

This decorating style is simple, elegant, and perfect for a homemade birthday cake. You can also add sprinkles, candles, or a written message to make it more festive.

Recipe FAQs

This yellow birthday cake is a wonderful choice for birthdays, family gatherings, and celebrations of all kinds. It is soft, moist, flavorful, and easy to decorate. The combination of homemade yellow cake and chocolate buttercream is timeless for a reason.

Yellow Birthday Cake

By Melissa and Bebe

This moist yellow cake has a fine crumb and wonderful vanilla flavor. It is delicious with rich chocolate buttercream and pairs well with many other frosting and filling flavors.

Course: Cakes and Cupcakes

Servings: 15

Ingredients

For the Yellow Cake Layers

• 2 sticks unsalted butter, slightly softened (226g)
• 2 cups sugar (400g)
• 3 large eggs, room temperature
• 3 additional egg yolks, room temperature
• 1 cup full-fat sour cream (242g)
• ½ cup milk (120g)
• 2 teaspoons vanilla extract (8g)
• 3 cups cake flour (342g)
• 3 teaspoons baking powder (12g)
• ½ teaspoon salt (4g)
• ¼ cup vegetable oil or canola oil (54g)

For the Rich Chocolate Buttercream

• 2 sticks unsalted butter, softened (226g)
• 1 ¼ cups unsweetened cocoa powder (108g)
• 6 cups powdered sugar (690g)
• ½ cup plus 2 tablespoons milk or cream, plus more if needed
• 2 teaspoons vanilla extract (8g)

Instructions

• Preheat the oven to 350 degrees F. Grease and flour three 8×2 inch round cake pans or two 9×2 inch round cake pans.
• In a medium bowl, whisk together the cake flour, baking powder, and salt for 30 seconds. Set aside.
• In another bowl or measuring cup, combine the sour cream, milk, oil, and vanilla extract.
• In the bowl of a mixer, beat the softened butter until smooth. Gradually add the sugar and beat on medium speed for 3 to 5 minutes, until fluffy and lighter in color.
• Add the whole eggs and egg yolks one at a time, mixing until the yolk is fully blended after each addition.
• With the mixer on low speed, add the flour mixture and sour cream mixture alternately, beginning and ending with the flour mixture. Mix just until combined and smooth.
• Divide the batter between the prepared pans. Bake for 25 to 28 minutes, or until a toothpick inserted into the center comes out clean or with a few moist crumbs attached. Cool for 5 to 10 minutes before turning out.

For the Rich Chocolate Buttercream

• In a saucepan over low heat, melt the butter. Remove from the heat and stir in the cocoa powder until smooth.
• Pour the mixture into a mixing bowl and allow it to cool slightly. With the mixer on low speed, add the powdered sugar and milk alternately.
• Add the vanilla extract. Mix on medium speed for 4 to 5 minutes, until the frosting is smooth and creamy. Add more milk or cream in small amounts if needed.
• This recipe makes about 5 ½ cups of frosting.

Decorating the Cake

• Place the first cake layer on a cake plate or pedestal and spread with frosting. Repeat with the remaining layers.
• Apply a thin crumb coat and chill the cake for about 10 minutes in the freezer or longer in the refrigerator.
• Add the final coat of frosting. Smooth the sides with a bench scraper or spatula while rotating the cake.
• Pipe borders or decorative shells with star tips, if desired.

Notes

Substitution for Cake Flour

If you do not have cake flour, measure 3 cups of all-purpose flour, remove 6 tablespoons, and replace them with 6 tablespoons of cornstarch. Whisk well to combine before using in the recipe.