Chocolate Cake With Sour Cream Frosting

Highlighted under: Cozy Food

I can't get enough of this Chocolate Cake with Sour Cream Frosting! Each bite is a delightful experience, combining rich chocolate flavors with the unique tanginess of sour cream. This cake is incredibly moist, and the frosting adds a luscious creaminess that perfectly complements its depth. I always find myself going back for seconds, and it’s a surefire hit at any gathering. Whether it’s a birthday party or just a cozy dessert night, this cake offers indulgence that’s hard to resist.

Cleo Winter

Created by

Cleo Winter

Last updated on 2026-01-24T14:19:35.093Z

When I first made this Chocolate Cake with Sour Cream Frosting, it was for a friend's birthday. I knew I had to impress, so I experimented with a recipe that incorporated sour cream, and it was a game changer! The frosting's creaminess, combined with the cake's softness, created an unforgettable dessert that brightly stood out.

What I found particularly fascinating was how using sour cream in the cake batter keeps it moist and tender. Additionally, when preparing the frosting, I let it chill slightly before spreading it on the cake. This allows it to set and gives the cake a beautiful finish that elevates the entire dessert.

Why You Will Love This Recipe

  • Rich chocolate flavor paired with a hint of tanginess from the sour cream
  • Incredibly moist texture that melts in your mouth
  • Perfect for celebrations or as a sweet indulgence

Understanding the Ingredients

The foundation of this Chocolate Cake lies in its key ingredients, particularly the unsweetened cocoa powder. This cocoa doesn't just contribute color; it provides a rich depth of flavor that complements the sweetness from the sugar. When measuring cocoa, ensure you sift it to avoid any lumps in your cake batter. Also, using whole milk instead of lower-fat options enhances the moistness and tenderness of the cake, allowing it to develop a soft crumb texture that melts in your mouth.

The inclusion of boiling water in the batter might seem unconventional, but it serves an important purpose. It activates the cocoa powder, intensifying its flavor while also ensuring the batter remains fluid and well-mixed. This step is crucial for achieving a light and airy cake. If you're looking to substitute, you can use hot coffee instead of water for an extra chocolate boost, enhancing the depth without overpowering the cake.

Perfecting Your Frosting Technique

The sour cream frosting is not only a flavorful addition but also plays a vital role in balancing the cake's sweetness. To achieve the smoothest frosting, ensure your butter is at room temperature before beginning. I usually take the butter out of the fridge about 30-60 minutes prior to mixing. When beating the butter, you want it to become creamy and pale in color before adding the sour cream. This step helps incorporate air, making the frosting light and fluffy.

As you blend in the powdered sugar and cocoa powder, consider sifting them together first to prevent any lumps. This simple step ensures a velvety texture in your frosting. If the frosting becomes too thick, you can thin it out with a spoonful of milk or additional sour cream. Conversely, if you find it too runny, a bit more powdered sugar can help achieve the right consistency. Aim for a spreadable yet firm texture that will hold its shape beautifully when frosted onto the cake.

Serving and Storing Your Cake

This Chocolate Cake is best enjoyed the day it's made, but it will keep well for up to three days if stored properly. To ensure freshness, wrap the cake tightly in plastic wrap and store it at room temperature. If you need to make it ahead, consider freezing the un-frosted cake layers. Simply allow them to cool completely, then wrap each layer in plastic wrap and foil before placing them in the freezer, where they can last for up to three months.

When it’s time to serve, let the frozen layers thaw overnight in the refrigerator before frosting. This method helps maintain the moistness of the cake. For an appealing presentation, consider garnishing the frosted cake with chocolate shavings, fresh berries, or a dusting of powdered sugar just before serving. Not only do these add a pop of color, but they also enhance the overall flavor profile.

Ingredients

Ingredients

For the Cake

  • 1 ¾ cups all-purpose flour
  • 2 cups granulated sugar
  • ¾ cup unsweetened cocoa powder
  • 1 ½ teaspoons baking soda
  • 1 teaspoon baking powder
  • 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
  • 1 ½ cups sour cream
  • 2 cups powdered sugar
  • 1 teaspoon vanilla extract
  • ¼ cup unsweetened cocoa powder

Instructions

Instructions

Prepare the Cake Batter

In a large bowl, sift together the flour, sugar, cocoa powder, baking soda, baking powder, and salt. In another bowl, whisk the eggs, milk, oil, and vanilla. Combine the wet and dry ingredients, then stir in the boiling water until well mixed.

Bake the Cake

Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. Divide the batter evenly between the pans and bake for 30 minutes or until a toothpick comes out clean. Allow to cool in the pans for 10 minutes before transferring to a wire rack.

Make the Frosting

In a medium bowl, beat the softened butter until creamy. Gradually add sour cream, powdered sugar, cocoa powder, and vanilla. Beat until smooth and fluffy.

Frost the Cake

Once the cakes have completely cooled, place one layer on a serving plate. Spread a generous amount of frosting on top, then place the second layer on top and frost the entire cake evenly.

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Pro Tips

  • For an extra touch, you can garnish the top of the cake with chocolate shavings or fresh berries. This not only adds visual appeal but enhances the flavor experience!

Troubleshooting Common Issues

If you find your cake is sinking in the middle, it may not have baked long enough. Check your oven’s accuracy with an oven thermometer, as slight temperature variations can affect baking times. Additionally, avoid opening the oven door during the first 20 minutes to prevent falling. If your cake turns out too dry, ensure you’re measuring your flour correctly—using the spoon-and-level method rather than scooping directly can make a significant difference in the amount of flour you use.

For the sour cream frosting, if it appears curdled or separates, it could be due to the butter being too cold or the ingredients being mixed too quickly. Slow down your mixing speed and gradually incorporate the ingredients for a smoother result. If you need to salvage a runny frosting, chilling it briefly in the fridge will help it thicken, allowing for easier spreading.

Creative Variations

While this recipe is a classic, it's also very adaptable. You can elevate the flavor profile by incorporating chocolate chips into the batter for extra texture and chocolate intensity. Melting dark chocolate and folding it into the frosting can create a richer chocolate experience that chocolate lovers will adore. I’ve even tried adding a touch of espresso powder to the batter for a mocha twist that deepens the cocoa flavor wonderfully.

If you're looking to modify this recipe for dietary restrictions, consider substituting the dairy with plant-based alternatives. Almond or coconut milk works well in place of whole milk, and a vegan butter substitute can be used for the frosting. Furthermore, replacing the eggs with flaxseed meal (1 tablespoon of flaxseed mixed with 3 tablespoons of water per egg) can yield a similar texture. Just keep in mind that these variations may slightly alter the cake’s final taste and texture.

Questions About Recipes

→ Can I use low-fat sour cream?

Yes, low-fat sour cream can be used, but it may slightly alter the texture and richness of the frosting.

→ How do I store leftover cake?

Store leftover cake in an airtight container at room temperature for up to 3 days, or refrigerate for up to a week.

→ Can I freeze the cake?

Yes, you can freeze the unfrosted cake layers for up to 3 months. Wrap them tightly in plastic wrap and place them in a freezer bag.

→ What can I substitute for eggs?

You can use applesauce or flaxseed meal mixed with water (1 tablespoon flaxseed meal + 2.5 tablespoons water) as a substitute for each egg.

Chocolate Cake With Sour Cream Frosting

I can't get enough of this Chocolate Cake with Sour Cream Frosting! Each bite is a delightful experience, combining rich chocolate flavors with the unique tanginess of sour cream. This cake is incredibly moist, and the frosting adds a luscious creaminess that perfectly complements its depth. I always find myself going back for seconds, and it’s a surefire hit at any gathering. Whether it’s a birthday party or just a cozy dessert night, this cake offers indulgence that’s hard to resist.

Prep Time20 minutes
Cooking Duration30 minutes
Overall Time50 minutes

Created by: Cleo Winter

Recipe Type: Cozy Food

Skill Level: Intermediate

Final Quantity: 8 servings

What You'll Need

For the Cake

  1. 1 ¾ cups all-purpose flour
  2. 2 cups granulated sugar
  3. ¾ cup unsweetened cocoa powder
  4. 1 ½ teaspoons baking soda
  5. 1 teaspoon baking powder
  6. 1 teaspoon salt
  7. 2 large eggs
  8. 1 cup whole milk
  9. ½ cup vegetable oil
  10. 2 teaspoons vanilla extract
  11. 1 cup boiling water

For the Frosting

  1. 1 cup unsalted butter, softened
  2. 1 ½ cups sour cream
  3. 2 cups powdered sugar
  4. 1 teaspoon vanilla extract
  5. ¼ cup unsweetened cocoa powder

How-To Steps

Step 01

In a large bowl, sift together the flour, sugar, cocoa powder, baking soda, baking powder, and salt. In another bowl, whisk the eggs, milk, oil, and vanilla. Combine the wet and dry ingredients, then stir in the boiling water until well mixed.

Step 02

Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. Divide the batter evenly between the pans and bake for 30 minutes or until a toothpick comes out clean. Allow to cool in the pans for 10 minutes before transferring to a wire rack.

Step 03

In a medium bowl, beat the softened butter until creamy. Gradually add sour cream, powdered sugar, cocoa powder, and vanilla. Beat until smooth and fluffy.

Step 04

Once the cakes have completely cooled, place one layer on a serving plate. Spread a generous amount of frosting on top, then place the second layer on top and frost the entire cake evenly.

Extra Tips

  1. For an extra touch, you can garnish the top of the cake with chocolate shavings or fresh berries. This not only adds visual appeal but enhances the flavor experience!

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