Copycat Costco Vanilla Cake

Name: Copycat Costco Vanilla Cake
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: 12 servings
Ingredients: 2 cups all-purpose flour; 1 ½ cups granulated sugar; ½ cup unsalted butter, softened; 1 cup whole milk; 3 large eggs; 1 tablespoon vanilla extract; 2 ½ teaspoons baking powder; ½ teaspoon salt; 1 cup unsalted butter, softened; 4 cups powdered sugar; 2 tablespoons heavy cream; 1 tablespoon vanilla extract; A pinch of salt

Highlighted under: Heavenly Dessert Creations

This Copycat Costco Vanilla Cake brings the beloved flavors of the iconic cake right into your kitchen. Perfect for any celebration or just a sweet treat!

Created by

Tom

Last updated on 2025-12-10T17:14:20.591Z

This Copycat Costco Vanilla Cake recreates the soft, fluffy texture and rich vanilla flavor that you know and love. Perfect for birthdays, celebrations, or just a sweet indulgence!

        Why You Will Love This Recipe
        Deliciously moist and fluffy texture
Rich vanilla flavor that everyone loves
Perfectly sweet buttercream frosting
Easy to make and customize for any occasion

      

The Essence of Vanilla Cake

Vanilla cake is a timeless classic that has graced countless celebrations, from birthdays to weddings. Its light, fluffy texture and rich flavor make it a favorite among cake lovers. The essence of vanilla, derived from the vanilla bean or extract, adds a warm, inviting aroma that captivates the senses, setting the stage for a delightful dessert experience. This Copycat Costco Vanilla Cake captures that essence perfectly, ensuring that every bite brings joy and nostalgia.

One of the key attributes of a great vanilla cake is its balance of sweetness and flavor. This recipe strikes the perfect harmony, allowing the vanilla to shine without overwhelming the palate. The use of high-quality ingredients, such as unsalted butter and whole milk, enhances the cake’s moistness and contributes to its overall taste, making it an unforgettable addition to any dessert table.

Customizing Your Cake

One of the best aspects of this Copycat Costco Vanilla Cake is its versatility. You can easily customize it to suit any occasion or preference. For a fruity twist, consider adding fresh berries or diced tropical fruits into the batter or as a topping. If you're in the mood for something a bit different, try infusing the batter with other flavors like almond extract or citrus zest to create a unique flavor profile.

Additionally, this cake serves as a fantastic base for layer cakes. You can stack multiple layers with your favorite fillings such as fruit preserves, whipped cream, or even chocolate ganache. Each layer can be frosted with the rich buttercream frosting, making it not only delicious but also visually stunning. The possibilities are endless, allowing you to create a cake that’s truly one-of-a-kind.

Tips for Baking Success

To ensure your vanilla cake turns out perfectly, it’s essential to measure your ingredients accurately. Use a kitchen scale for precision, especially with flour and sugar, as even a slight variation can affect the cake's texture. Additionally, make sure your butter is softened to room temperature for easy creaming with sugar, which helps to incorporate air and create that light, fluffy cake we all love.

Another crucial tip is to avoid overmixing the batter once the dry ingredients are added. Mixing just until combined helps to maintain the cake's tenderness. Finally, always check your cake a few minutes before the suggested baking time; ovens can vary. A toothpick inserted into the center should come out clean or with a few crumbs attached for the perfect bake.

Ingredients

Gather the following ingredients to make this delightful cake:

Cake Ingredients

2 cups all-purpose flour
1 ½ cups granulated sugar
½ cup unsalted butter, softened
1 cup whole milk
3 large eggs
1 tablespoon vanilla extract
2 ½ teaspoons baking powder
½ teaspoon salt

Buttercream Frosting Ingredients

1 cup unsalted butter, softened
4 cups powdered sugar
2 tablespoons heavy cream
1 tablespoon vanilla extract
A pinch of salt

Ensure all your ingredients are at room temperature for the best results.

Instructions

Follow these steps to create your delicious Copycat Costco Vanilla Cake:

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

In a separate bowl, combine the flour, baking powder, and salt. Gradually add the dry ingredients to the wet mixture, alternating with the milk, and mix until just combined.

Bake the Cake

Pour the batter into a greased 9x13 inch baking pan. Bake in the preheated oven for 30 minutes or until a toothpick inserted in the center comes out clean. Allow the cake to cool completely in the pan.

Make the Buttercream Frosting

In a mixing bowl, beat the softened butter until creamy. Gradually add the powdered sugar, heavy cream, vanilla extract, and a pinch of salt. Beat until the frosting is smooth and fluffy.

Frost the Cake

Once the cake is cooled, spread the buttercream frosting evenly over the top. You can also decorate with sprinkles or fruit if desired.

Enjoy your homemade Copycat Costco Vanilla Cake with family and friends!

Storing Your Vanilla Cake

Storing your Copycat Costco Vanilla Cake properly will help maintain its moistness and flavor. If you have leftover cake, cover it with plastic wrap or store it in an airtight container. It can stay fresh at room temperature for up to three days. For longer storage, consider refrigerating it, where it can last up to a week. If you want to keep it for an extended period, you can freeze individual slices wrapped in plastic wrap and then placed in a freezer bag, which can last for up to three months.

When you're ready to enjoy your frozen cake, simply let it thaw in the refrigerator overnight or at room temperature for a few hours. Re-whipping the buttercream frosting slightly can help restore its creamy texture if it has hardened in the fridge. This way, you can savor the delightful flavors of your homemade vanilla cake even after some time.

Serving Suggestions

Presenting your Copycat Costco Vanilla Cake can be as fun as baking it! For a classic look, serve it simply frosted and topped with colorful sprinkles. However, you can elevate your presentation by adding fresh fruit, edible flowers, or even a drizzle of chocolate ganache for an extra touch of elegance. Pairing the cake with a scoop of vanilla ice cream or a dollop of whipped cream can also enhance the dessert experience, making it a crowd-pleaser at any gathering.

When serving the cake, consider the occasion. For birthdays or festive events, personalized decorations or themed toppers can make it even more special. For a casual gathering, simply slice and serve with a cup of coffee or tea. The cake’s versatile nature makes it suitable for any setting, ensuring that it will be a hit with family and friends alike.

Questions About Recipes

→ Can I use cake flour instead of all-purpose flour?

Yes, you can use cake flour for a lighter texture, but you may need to adjust the amount slightly.

→ How can I store leftover cake?

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

→ Can I freeze the cake?

Yes, you can freeze the cake. Wrap it tightly in plastic wrap and foil, and it will last for up to 3 months.

→ What can I substitute for eggs?

You can use unsweetened applesauce or a commercial egg replacer as a substitute for eggs.