Copycat Costco Vanilla Cake

Highlighted under: Fresh Baking Recipes

Delight in this homemade version of the beloved Costco Vanilla Cake, perfect for any occasion.

Anna

Created by

Anna

Last updated on 2025-12-10T16:07:20.646Z

This Copycat Costco Vanilla Cake is a delightful homage to the popular store version. With its light and fluffy texture and rich vanilla flavor, it’s perfect for birthdays, celebrations, or simply indulging your sweet tooth.

Why You'll Love This Recipe

  • Light and fluffy cake that melts in your mouth
  • Rich vanilla flavor with a creamy frosting
  • Perfect for parties or family gatherings
  • Easily customizable with your favorite fillings or toppings

Tips for the Perfect Vanilla Cake

To achieve the light and fluffy texture that everyone loves about Costco's Vanilla Cake, it’s crucial to properly cream the butter and sugar. Beat them together until the mixture is pale and fluffy; this process incorporates air into the batter, resulting in a tender cake. Additionally, make sure your butter is at room temperature, as this helps in achieving the desired consistency.

When mixing the dry ingredients and wet ingredients, be careful not to overmix. Overmixing can lead to a dense cake. Mix until just combined to ensure your cake remains airy. Also, always use fresh baking powder for the best rise.

For a more flavorful cake, consider adding a touch of almond extract along with the vanilla. It complements the vanilla beautifully and adds an extra depth of flavor that will delight your taste buds.

Customizing Your Cake

One of the best things about this Copycat Costco Vanilla Cake is its versatility. You can easily customize it to suit your occasion or personal taste. Consider adding some colorful sprinkles to the frosting for a fun birthday cake or layer in fresh fruit like strawberries or raspberries between the cake layers for a refreshing twist.

You can also experiment with different types of fillings. A layer of chocolate ganache or lemon curd can bring a new dimension to the classic vanilla flavor. Just ensure that any filling you choose complements the cake without overpowering it.

For those who love a bit of crunch, consider sprinkling crushed nuts or toffee bits between the layers or on top of the frosting. This adds texture and a delightful contrast to the soft cake.

Storing and Serving Tips

Once your cake is assembled and frosted, it can be stored at room temperature for up to three days. If you need to keep it longer, refrigerate it, but let it come to room temperature before serving. This will ensure the cake remains moist and the frosting retains its creamy texture.

If you have leftover cake, it can be frozen for future enjoyment. Wrap individual slices in plastic wrap and place them in an airtight container. When you’re ready to indulge, simply thaw at room temperature or pop a slice in the microwave for a few seconds to warm it up.

For serving, a simple presentation can enhance the cake's appeal. Dust the top with powdered sugar or drizzle with chocolate or caramel sauce just before serving for an elegant touch.

Ingredients

For the Cake

  • 2 1/2 cups all-purpose flour
  • 2 1/2 tsp baking powder
  • 1/2 tsp salt
  • 1 cup unsalted butter, softened
  • 2 cups granulated sugar
  • 4 large eggs
  • 1 tbsp vanilla extract
  • 1 cup whole milk

For the Frosting

  • 1 cup unsalted butter, softened
  • 4 cups powdered sugar
  • 1/4 cup heavy cream
  • 1 tbsp vanilla extract

Make sure to measure your ingredients accurately for the best results!

Instructions

Prepare the Cake Batter

Preheat your oven to 350°F (175°C) and grease two 9-inch round cake pans. In a bowl, whisk together the flour, baking powder, and salt. In a separate large bowl, cream the butter and sugar until light and fluffy.

Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract. Gradually add the dry ingredients and milk, mixing until just combined.

Bake the Cake

Divide the batter evenly between the prepared cake pans. Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Allow the cakes to cool in the pans for 10 minutes, then turn them out onto a wire rack to cool completely.

Make the Frosting

In a large bowl, beat the softened butter until creamy. Gradually add the powdered sugar, whipping until well combined. Add the heavy cream and vanilla extract, and beat until the frosting is light and fluffy.

Assemble the Cake

Once the cakes are completely cooled, place one layer on a serving plate. Spread a layer of frosting on top, then place the second layer on top. Frost the top and sides of the cake with the remaining frosting. Decorate as desired.

Enjoy your homemade Copycat Costco Vanilla Cake!

Why Vanilla Cake Is a Classic

Vanilla cake has long been a beloved dessert for many reasons. Its simplicity allows it to shine in various celebrations, from birthdays to weddings. The neutral flavor pairs beautifully with countless frostings and fillings, making it a versatile choice for any occasion.

Additionally, vanilla is a universally loved flavor that appeals to both children and adults alike. This makes it an ideal option for gatherings where you want to please a crowd. The nostalgic taste of vanilla cake often brings back fond memories of family celebrations and sweet moments shared over dessert.

The Importance of Quality Ingredients

Using high-quality ingredients is key to making a cake that tastes as good as it looks. For this copycat recipe, opt for pure vanilla extract rather than imitation vanilla for a richer flavor. The quality of your butter also matters; unsalted butter is recommended to control the saltiness of your cake.

When it comes to flour, using all-purpose flour works perfectly, but for an even lighter texture, you can substitute a portion with cake flour. This small change can elevate your cake, giving it that bakery-style fluffiness that everyone loves.

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Questions About Recipes

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

Yes, you can use cake flour for a lighter texture.

→ How should I store the cake?

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

→ Can I freeze the cake?

Yes, you can freeze the un-frosted cake layers for up to 2 months.

→ What can I substitute for heavy cream?

You can use milk or a non-dairy alternative, but the texture may vary.

Copycat Costco Vanilla Cake

Delight in this homemade version of the beloved Costco Vanilla Cake, perfect for any occasion.

Prep Time15 minutes
Cooking Duration30 minutes
Overall Time45 minutes

Created by: Anna

Recipe Type: Fresh Baking Recipes

Skill Level: Intermediate

Final Quantity: 12 servings

What You'll Need

For the Cake

  1. 2 1/2 cups all-purpose flour
  2. 2 1/2 tsp baking powder
  3. 1/2 tsp salt
  4. 1 cup unsalted butter, softened
  5. 2 cups granulated sugar
  6. 4 large eggs
  7. 1 tbsp vanilla extract
  8. 1 cup whole milk

For the Frosting

  1. 1 cup unsalted butter, softened
  2. 4 cups powdered sugar
  3. 1/4 cup heavy cream
  4. 1 tbsp vanilla extract

How-To Steps

Step 01

Preheat your oven to 350°F (175°C) and grease two 9-inch round cake pans. In a bowl, whisk together the flour, baking powder, and salt. In a separate large bowl, cream the butter and sugar until light and fluffy. Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract. Gradually add the dry ingredients and milk, mixing until just combined.

Step 02

Divide the batter evenly between the prepared cake pans. Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Allow the cakes to cool in the pans for 10 minutes, then turn them out onto a wire rack to cool completely.

Step 03

In a large bowl, beat the softened butter until creamy. Gradually add the powdered sugar, whipping until well combined. Add the heavy cream and vanilla extract, and beat until the frosting is light and fluffy.

Step 04

Once the cakes are completely cooled, place one layer on a serving plate. Spread a layer of frosting on top, then place the second layer on top. Frost the top and sides of the cake with the remaining frosting. Decorate as desired.

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