Chocolate Cake With Sour Cream Frosting

Name: Chocolate Cake With Sour Cream Frosting
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: 8 servings
Ingredients: 1 ¾ cups all-purpose flour; 1 ¾ cups granulated sugar; ¾ cup unsweetened cocoa powder; 1 ½ teaspoons baking powder; 1 ½ teaspoons baking soda; 1 teaspoon salt; 2 large eggs; 1 cup whole milk; ½ cup vegetable oil; 2 teaspoons vanilla extract; 1 cup boiling water; 1 cup unsalted butter, softened; 3 cups powdered sugar; ½ cup sour cream; 1 teaspoon vanilla extract; ½ cup unsweetened cocoa powder

Highlighted under: Sugar-Kissed Bakes

I absolutely love baking this Chocolate Cake With Sour Cream Frosting! The combination of rich chocolate and tangy sour cream creates such a delightful balance that everyone seems to love. After experimenting with various frosting recipes, I found that sour cream adds a unique creaminess and depth of flavor, making the cake not just sweet but incredibly satisfying. Whether it's for a birthday celebration or a cozy gathering, this cake never fails to impress. Join me in making this scrumptious treat that’s sure to be a hit!

Created by

Anya Coleman

Last updated on 2026-03-05T08:17:53.998Z

When I first decided to bake a chocolate cake, I knew I wanted something that stood out. After tweaking the ingredients a few times, I discovered that incorporating sour cream in both the cake and frosting adds a moisture level I had never experienced before.

The frosting is where the magic truly happens. I love how the sour cream cuts through the sweetness, offering a velvety finish that is simply irresistible. Trust me, give this recipe a try and watch it disappear before your eyes!

Why You'll Love This Cake
Rich chocolate flavor paired with tangy sour cream
Moist and fluffy texture that pleases every palate
Easily customizable for any occasion or celebration

Baking Tips for Perfect Cakes

For a perfectly risen cake, ensure that your baking powder and baking soda are fresh. These leavening agents are crucial for creating the light and fluffy texture that you desire. If they're outdated, your cake may end up dense and flat. A quick test is to add a bit of baking powder to vinegar; if it fizzes, it’s still good to use!

When mixing your batter, avoid overmixing once the dry ingredients are combined with the wet. Overmixing can lead to a tougher texture. Mix just until the ingredients are incorporated, and you'll do great! Remember that adding boiling water is a unique step; it helps bloom the cocoa powder, enhancing the chocolate flavor and resulting in a beautifully moist crumb.

Frosting Insights

The sour cream in the frosting not only adds tang but also contributes to a luscious texture that balances the sweetness of the powdered sugar. If you’re looking for a deeper chocolate flavor, consider adding an extra tablespoon of cocoa powder or replacing a quarter of the powdered sugar with additional cocoa. Just ensure that the frosting remains spreadable.

If your frosting seems too runny, try adding a little more powdered sugar, one tablespoon at a time, until you reach your desired consistency. Conversely, if it’s too thick, add a teaspoon of sour cream or milk to loosen it up. A good frosting should be easy to spread but firm enough to hold its shape, especially if you plan on decorating.

Ingredients

For the Cake

1 ¾ cups all-purpose flour
1 ¾ cups granulated sugar
¾ cup unsweetened cocoa powder
1 ½ teaspoons baking powder
1 ½ teaspoons baking soda
1 teaspoon salt
2 large eggs
1 cup whole milk
½ cup vegetable oil
2 teaspoons vanilla extract
1 cup boiling water

For the Frosting

1 cup unsalted butter, softened
3 cups powdered sugar
½ cup sour cream
1 teaspoon vanilla extract
½ cup unsweetened cocoa powder

Steps

Preheat the Oven

Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.

Prepare the Cake Batter

In a large mixing bowl, combine the flour, sugar, cocoa powder, baking powder, baking soda, and salt. Mix well. Add eggs, milk, oil, and vanilla. Beat on medium speed for 2 minutes, then stir in boiling water until well combined.

Bake the Cakes

Pour the batter evenly into the prepared cake pans. Bake for 30 minutes or until a toothpick inserted in the center comes out clean. Allow to cool for 10 minutes before transferring to wire racks.

Make the Frosting

In a bowl, beat the softened butter until creamy. Gradually add powdered sugar, cocoa powder, and sour cream, mixing until smooth. Stir in vanilla.

Assemble the Cake

Once the cakes are completely cool, spread frosting on top of one layer, place the second layer on top, and frost the top and sides of the cake.

Pro Tips

For an extra touch, you can add chocolate shavings on top of the frosted cake for decoration. It not only enhances the look but also adds a lovely chocolate crunch to each bite.

Serving and Storing the Cake

Once assembled, this cake can be served immediately, but I recommend letting it sit for a few hours or overnight to allow the flavors to meld. It makes for a richer taste experience! If you have any leftovers, store the cake in an airtight container; it will stay fresh at room temperature for up to three days, or you can refrigerate it for a longer shelf life.

If you’re looking to make this cake ahead of time, you can bake the cakes a day in advance and wrap them tightly in plastic wrap. Just be sure to bring them back to room temperature before frosting to maintain a smooth finish. This prep work makes it easier to manage during busy times like birthdays or gatherings.

Customizing Your Cake

Feel free to get creative with your cake! You can add espresso powder to the batter for a mocha twist or fold in chocolate chips or nuts for extra texture. If you'd like a lighter cake, consider using egg whites instead of whole eggs, adding to the airy nature of the cake while keeping the rich chocolate flavor intact.

For dietary alternatives, you can substitute the all-purpose flour with a gluten-free blend – just ensure it contains xanthan gum for better structure. If you're cutting back on dairy, try using a plant-based sour cream and a non-dairy milk. The cake's flavor will remain delightful, making it suitable for various dietary needs without sacrificing taste.

Questions About Recipes

→ Can I use a different type of frosting?

Absolutely! If sour cream isn't your preference, you can use a classic buttercream or cream cheese frosting.

→ How long does the cake last?

The cake stays fresh for up to 3 days at room temperature or can be refrigerated for up to a week.

→ Can I freeze the cake?

Yes, you can freeze the un-frosted cake layers wrapped tightly. Thaw in the fridge before frosting.

→ What can I serve with this cake?

This cake pairs wonderfully with fresh berries, a scoop of vanilla ice cream, or a cup of coffee.