Chocolate Cake With Sour Cream Frosting

Highlighted under: Sweet Baking Favorites

I always look forward to baking this Chocolate Cake With Sour Cream Frosting because it combines decadent chocolate flavors with a delightful tang from the sour cream. The frosting isn't just a topping; it adds a creamy, rich layer that perfectly complements the moist cake beneath. Whenever I make this dessert for friends or family, the compliments never stop, and it has quickly become a favorite at gatherings. Whether it's a birthday celebration or simply a treat for the weekend, this recipe is sure to impress everyone around the table.

Lauren Mitchell

Created by

Lauren Mitchell

Last updated on 2026-01-24T13:33:34.566Z

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Baking this cake has always been a labor of love for me. I enjoy the process of mixing the rich cocoa with sugar, eggs, and flour, and it truly brings out the best flavors. My favorite part is when the cake is in the oven, and the sweet aroma fills the house, making it impossible for anyone to resist a sneak peek.

When it comes to the sour cream frosting, I've found that letting the cake cool completely allows for the frosting to spread smoothly without sliding off. This little tip makes a world of difference in presentation, and trust me, your guests will be asking for seconds!

Why You'll Love This Recipe

  • Rich chocolate flavor paired with a delightful tang from the sour cream
  • Creamy texture that balances perfectly with the cake's moisture
  • Perfect for celebrations or as a sweet indulgence any day of the week

The Role of Ingredients

The chocolate cake's rich flavor comes primarily from high-quality cocoa powder. Using Dutch-processed cocoa can enhance the cake’s depth, making it even more chocolatey. Make sure your all-purpose flour is freshly sifted to prevent clumping and ensure a lightweight texture. Additionally, whole milk isn't just a liquid; it adds richness and moisture to the cake, helping to create that deliciously soft crumb. For a dairy-free version, you can substitute almond or coconut milk, but the taste and texture may slightly vary.

When it comes to the sour cream frosting, the softness of the butter greatly affects the final texture. Ensure your butter is at room temperature for smooth mixing. The sour cream adds just the right amount of tanginess, complementing the sweetness of the cake beautifully. You can experiment with Greek yogurt as a lower-fat alternative, although it may change the frosting's taste slightly, making it more tart.

Don't underestimate the importance of the boiling water in the cake batter. It enhances the cocoa flavor while activating the baking soda and baking powder, leading to a lighter cake. If you forget to boil the water, you may end up with a denser cake that lacks the airy texture we aim for.

Frosting Techniques

Achieving the perfect frosting consistency requires careful attention. After combining the butter and powdered sugar, if your frosting is too thick, add a teaspoon of milk at a time until you reach the desired spreadable consistency. Conversely, if it becomes too runny, you can mix in additional powdered sugar gradually until thickened. I find that less is often more; a little patience during mixing can result in a beautifully fluffy texture that spreads easily.

For a decorative touch, consider using a spatula to create swirls or peaks on top of the cake after frosting. This simple technique elevates the cake from home-baked to bakery-style in appearance. You can also dust the top with additional cocoa powder or chocolate shavings for added flair, making it visually appealing for any celebration.

If you want to make your frosting ahead of time, store it in an airtight container in the fridge for up to a week. Just remember to let it sit at room temperature for about 30 minutes before using, then re-whip it for smoothness. This makes planning for a gathering much easier!

Customization and Serving Suggestions

This cake is versatile; feel free to experiment with flavor variations. For an added depth of flavor, consider infusing espresso powder into the batter or frosting. A teaspoon of instant coffee mixed into the boiling water can intensify the chocolate notes without making the cake taste like coffee. Alternatively, you could add a few drops of peppermint extract into the frosting for a festive twist, especially during the holidays.

Serving this cake can also be a fun opportunity for creativity. Pair it with a scoop of vanilla ice cream or a dollop of whipped cream to balance the rich chocolate flavor. Fresh berries on the side add a welcome tartness that complements the sweetness, while chocolate sauce drizzled over the top creates an indulgent dessert experience.

For long-term storage, wrap the cooled cake layers tightly in plastic wrap and store them in the freezer for up to three months. When ready to enjoy, simply thaw in the refrigerator overnight before frosting and serving. This ensures you can savor this delicious treat whenever the craving strikes!

Ingredients

Gather all your ingredients before you start for a smooth baking experience.

For the Chocolate Cake

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

For the Sour Cream Frosting

  • 1 cup unsalted butter, softened
  • 3 cups powdered sugar
  • 1/2 cup sour cream
  • 1 teaspoon vanilla extract
  • 1/4 cup cocoa powder (for chocolate frosting variant)

Make sure to measure everything carefully for the best results!

Instructions

Read through all the steps to understand the process before you begin.

Prepare the Cake Batter

Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. In a large mixing bowl, sift together flour, cocoa powder, sugar, baking powder, baking soda, and salt. Add eggs, milk, oil, and vanilla extract, and mix until well combined. Gradually stir in boiling water until the batter is smooth.

Bake the Cakes

Pour the batter evenly into the prepared cake pans. Bake for 30 minutes or until a toothpick inserted into the center comes out clean. Remove from the oven and let the cakes cool in the pans for 10 minutes before transferring to a wire rack to cool completely.

Make the Frosting

In a mixing bowl, beat the softened butter until creamy. Gradually add powdered sugar and mix until combined. Add sour cream and vanilla extract, and mix on low speed until smooth and fluffy. For chocolate frosting, add cocoa powder and mix until fully incorporated.

Assemble the Cake

Once the cakes are completely cool, place one layer on a serving platter. Spread a generous amount of sour cream frosting on top. Place the second layer on top and frost the top and sides of the cake with the remaining frosting. Decorate as desired.

Enjoy your delicious chocolate cake with sour cream frosting!

Pro Tips

  • For an extra touch, you can add chocolate shavings or fresh berries on top of the frosting for decoration.

Troubleshooting Tips

If your cakes are domed in the center after baking, it could mean your oven temperature is too high. An oven thermometer can help ensure accuracy. Consider reducing the heat by 25°F and using the toothpick check method for doneness more precisely — cakes should spring back gently when touched.

On the other hand, if your cakes come out too dry, remember the importance of measuring flour correctly. Overpacking flour can lead to a dense, dry outcome. Use the spoon-and-level method to ensure you’re not using more than you need. Also, consider checking the oven regularly during baking, as every oven's heat distribution can vary.

When assembling the cake, if layers slide or crumble when stacking, make sure the cakes are completely cool before frosting. If they still give you trouble, a thin layer of frosting as a crumb coat can help stabilize and seal any loose crumbs before applying the final layer.

Make-Ahead Suggestions

For those busy kitchen days, you can absolutely prepare the cake a day in advance. Simply bake the layers, cool completely, and then wrap them tightly in plastic wrap. Store them at room temperature if you’ll use them within a day, or refrigerate for up to three days if waiting longer to assemble.

The frosting can also be made ahead of time and kept in the refrigerator for up to a week. If you need to whip it up quickly before serving, just let it sit out until softened, and give it a quick mix to restore its creamy consistency; this saves valuable time, especially when unexpected guests arrive.

Don’t forget about the possibility of freezing slices! Cut the decorated cake into portions, wrap each piece securely in plastic wrap, and place them in a freezer-safe container. When you're ready for a little indulgence, allow it to thaw on the counter. This makes it much easier to enjoy your beloved chocolate cake long after it's been baked.

Questions About Recipes

→ Can I use low-fat sour cream instead of regular?

Yes, low-fat sour cream can be used, although it may slightly alter the flavor and texture.

→ How should I store the cake?

Store the cake in an airtight container in the refrigerator for up to five days.

→ Can I freeze this cake?

Yes, you can freeze the cake. Just wrap it tightly in plastic wrap and then in aluminum foil before freezing.

→ What can I substitute for eggs?

You can use applesauce, mashed bananas, or flaxseed meal mixed with water as an egg substitute.

Chocolate Cake With Sour Cream Frosting

I always look forward to baking this Chocolate Cake With Sour Cream Frosting because it combines decadent chocolate flavors with a delightful tang from the sour cream. The frosting isn't just a topping; it adds a creamy, rich layer that perfectly complements the moist cake beneath. Whenever I make this dessert for friends or family, the compliments never stop, and it has quickly become a favorite at gatherings. Whether it's a birthday celebration or simply a treat for the weekend, this recipe is sure to impress everyone around the table.

Prep Time20 minutes
Cooking Duration30 minutes
Overall Time50 minutes

Created by: Lauren Mitchell

Recipe Type: Sweet Baking Favorites

Skill Level: Intermediate

Final Quantity: 12 servings

What You'll Need

For the Chocolate Cake

  1. 1 3/4 cups all-purpose flour
  2. 3/4 cup cocoa powder
  3. 2 cups sugar
  4. 1 1/2 teaspoons baking powder
  5. 1 1/2 teaspoons baking soda
  6. 1 teaspoon salt
  7. 2 large eggs
  8. 1 cup whole milk
  9. 1/2 cup vegetable oil
  10. 2 teaspoons vanilla extract
  11. 1 cup boiling water

For the Sour Cream Frosting

  1. 1 cup unsalted butter, softened
  2. 3 cups powdered sugar
  3. 1/2 cup sour cream
  4. 1 teaspoon vanilla extract
  5. 1/4 cup cocoa powder (for chocolate frosting variant)

How-To Steps

Step 01

Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. In a large mixing bowl, sift together flour, cocoa powder, sugar, baking powder, baking soda, and salt. Add eggs, milk, oil, and vanilla extract, and mix until well combined. Gradually stir in boiling water until the batter is smooth.

Step 02

Pour the batter evenly into the prepared cake pans. Bake for 30 minutes or until a toothpick inserted into the center comes out clean. Remove from the oven and let the cakes cool in the pans for 10 minutes before transferring to a wire rack to cool completely.

Step 03

In a mixing bowl, beat the softened butter until creamy. Gradually add powdered sugar and mix until combined. Add sour cream and vanilla extract, and mix on low speed until smooth and fluffy. For chocolate frosting, add cocoa powder and mix until fully incorporated.

Step 04

Once the cakes are completely cool, place one layer on a serving platter. Spread a generous amount of sour cream frosting on top. Place the second layer on top and frost the top and sides of the cake with the remaining frosting. Decorate as desired.

Extra Tips

  1. For an extra touch, you can add chocolate shavings or fresh berries on top of the frosting for decoration.

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