Costco Chocolate Cake

Ever walked into a bakery and been hit by the heavenly aroma of fresh chocolate cake?

There’s just something special about rich, moist chocolate cake that calls to our inner dessert lover. Costco Chocolate Cake is no exception—this treat is quick to prepare and perfect for any celebration (or for when you just really need a slice of chocolate heaven!). It’s a no-fuss recipe that delivers big flavor in an incredibly easy way. Perfect for those who love a simple homemade dessert without any drama!

Why make this recipe

Why do you need this chocolate cake in your life?

• Easy Cleanup: One bowl and a couple of pans – what’s not to love? Less time cleaning means more time indulging!
• Family-Friendly: You’ll say goodbye to picky eaters with this moist marvel that pleases both kids and adults.
• Total Showstopper: Bring this cake to a gathering, and watch everyone’s faces light up. It’s the kind of cake that screams, “I’m fancy,” without you having to do more than just mix and bake.

Ingredients

You don’t need fancy stuff — just these basics!

• 1 3/4 cups all-purpose flour
• 1 1/2 cups granulated sugar
• 3/4 cup unsweetened cocoa powder
• 1 1/2 teaspoons baking soda
• 1 1/2 teaspoons baking powder
• 1 teaspoon salt
• 2 large eggs
• 1 cup whole milk
• 1/2 cup vegetable oil
• 2 teaspoons vanilla extract
• 1 cup boiling water

Directions

Here’s how you whip it up quickly:

1. Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
2. In a large mixing bowl, combine flour, sugar, cocoa powder, baking soda, baking powder, and salt.
3. Add eggs, milk, oil, and vanilla extract to the dry ingredients and mix until smooth.
4. Carefully stir in the boiling water until well combined (don’t worry if the batter looks thin — that’s normal!).
5. Pour the batter evenly into the prepared pans.
6. Bake for 30-35 minutes or until a toothpick inserted in the center comes out clean.
7. Let the cakes cool in the pans for 10 minutes before transferring them to wire racks to cool completely.
8. Frost with your favorite chocolate frosting and enjoy!

How to make Costco Chocolate Cake (Overview)

Making this cake is a breeze! Start by mixing your dry ingredients in one bowl, then add the wet ones — it’s like a party where everything just comes together!

• Mix and Match: Don’t skip checking your oven temperature; a perfect bake happens when your oven is at the right heat.
• Feel free to taste-test the batter, but just a little! Quality control is important, right? 😂

How to serve Costco Chocolate Cake

Serve it up on a beautiful plate, and let the warm, rich aroma fill the room!

• Consider adding a dusting of powdered sugar for a touch of elegance.
• Pair it with a scoop of vanilla ice cream or fresh berries to add texture and color.
• Want to take it up a notch? Drizzle with some chocolate ganache for that extra zing!

How to store Costco Chocolate Cake

This delightful cake can stay fresh for about 5 days in the fridge, covered.

• For longer storage, it freezes beautifully for up to 3 months. Just wrap it tightly in plastic wrap and pop it in a freezer bag.
• Want to enjoy it later? Simply thaw it in the refrigerator for a few hours or overnight. It’ll taste just as good!

Tips to make Costco Chocolate Cake

Pro tips for bonus cake magic:

• Use room temperature ingredients—it helps the batter mix better.
• Want a deeper chocolate flavor? Swap half the cocoa for a dark chocolate variant next time.
• If you’re feeling daring, add a splash of espresso to your boiling water. It’ll enhance that chocolate flavor like a boss!

Variation

Feeling adventurous?

• To make it vegan, substitute eggs with flax eggs and use almond milk in place of whole milk.
• You could even throw in some mint extract for a chocolate-mint twist. Who wouldn’t love that!

FAQs

Can I use different pans?
Absolutely! Just adjust the baking time if you’re using a different size.

How can I make it ahead of time?
You can bake the cakes in advance and store them (unfrosted) in the fridge for up to 3 days.

Can I freeze the frosted cake?
It’s best to freeze unfrosted layers. Frosting can change texture in the freezer.

📌 Pin this recipe for your next cozy dinner night!

Costco Chocolate Cake

A quick and easy chocolate cake that is rich, moist, and perfect for any celebration or just a slice of chocolate heaven.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 35 minutes mins

Total Time 50 minutes mins

Servings: 12 servings

Course: Dessert

Cuisine: American

Calories: 350

Ingredients Method Notes

Ingredients

  

Dry Ingredients

• 1 3/4 cups all-purpose flour
• 1 1/2 cups granulated sugar
• 3/4 cup unsweetened cocoa powder
• 1 1/2 teaspoons baking soda
• 1 1/2 teaspoons baking powder
• 1 teaspoon salt

Wet Ingredients

• 2 large eggs Use room temperature for better mixing.
• 1 cup whole milk Can substitute with almond milk for vegan option.
• 1/2 cup vegetable oil
• 2 teaspoons vanilla extract
• 1 cup boiling water Can add a splash of espresso for enhanced flavor.

Method

 

Preparation

1. Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
2. In a large mixing bowl, combine flour, sugar, cocoa powder, baking soda, baking powder, and salt.
3. Add eggs, milk, oil, and vanilla extract to the dry ingredients and mix until smooth.
4. Carefully stir in the boiling water until well combined.
5. Pour the batter evenly into the prepared pans.

Baking

1. Bake for 30-35 minutes or until a toothpick inserted in the center comes out clean.
2. Let the cakes cool in the pans for 10 minutes before transferring them to wire racks to cool completely.

Serving

1. Frost with your favorite chocolate frosting and enjoy!

Notes

This delightful cake can be stored in the fridge for up to 5 days or frozen for up to 3 months. To serve, dust with powdered sugar or pair with ice cream or fresh berries for added texture and color.