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 teaspoon baking powder; 1 ½ teaspoon 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; 1 cup sour cream; 4 cups powdered sugar; ½ cup unsweetened cocoa powder; 2 teaspoons vanilla extract

Highlighted under: Everyday Baking Recipes

I love indulging in a slice of Chocolate Cake With Sour Cream Frosting, where the simplicity of ingredients transforms into a decadent dessert. The rich cocoa flavor paired with the tangy sour cream frosting creates a perfect balance that I find irresistible. Preparing this cake is an enjoyable experience, and the aroma that fills the kitchen while it bakes is simply delightful. Whether it's for a special occasion or just because, this cake makes any moment feel like a celebration.

Created by

Abigail Moore

Last updated on 2026-01-24T12:55:34.882Z

When I first baked this Chocolate Cake With Sour Cream Frosting, I was amazed at how moist and rich it turned out. The secret ingredient, sour cream, not only adds moisture but also enhances the chocolate flavor. I remember sharing it with friends who were astounded by the taste and texture.

Another detail that really makes this cake special is the frosting. The sour cream frosting sits beautifully on top of the cake, providing a creamy contrast to the chocolate layers. If you want to elevate the experience, consider adding a sprinkle of sea salt on top for a delightful salty-sweet finish.

Why You Will Love This Recipe
Rich chocolate flavor paired with tangy sour cream frosting
Moist, tender cake that stays fresh for days
Perfect for birthdays, celebrations, or any sweet craving

The Science of Chocolate Cake

Understanding the role of cocoa powder is crucial in achieving a rich chocolate flavor. Use a high-quality unsweetened cocoa powder, which will create a deep, complex taste in the cake. When combined with the sugars, it helps to develop a tender crumb while balancing the sweetness. This cake thrives on the interaction between dry ingredients and liquids, making it essential to measure accurately to ensure the best outcome.

Another important aspect is the use of boiling water in the batter. Adding boiling water activates the cocoa, allowing for a more profound flavor. It also helps to moisten the batter, ensuring the cake remains tender and prevents dryness. If you notice the batter is too thick before adding the boiling water, simply whisk until homogeneous; your patience will pay off with a lighter-textured cake.

Preparing the Perfect Frosting

When preparing the sour cream frosting, start with soft, room-temperature butter to ensure it incorporates smoothly and achieves that desirable creamy texture. Beat the butter until it is light and fluffy, typically around 2-3 minutes on medium speed. This key step is what will help the frosting spread easily and adhere beautifully to the cake layers.

If you prefer a less sweet frosting, you can adjust the amount of powdered sugar in the recipe. Substitute half of the sugar with unsweetened cocoa powder, which retains the chocolate flavor while countering the sweetness. Aim for a balance that complements the cake without overpowering it—taste as you go to find your ideal sweetness level.

Ingredients

Gather these simple ingredients to make a delicious chocolate cake.

For the Cake

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

Make sure to assemble all your ingredients before starting.

Instructions

Let’s get started on crafting this delicious chocolate cake!

Preheat the Oven

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

Mix Dry Ingredients

In a large mixing bowl, whisk together flour, sugar, cocoa powder, baking powder, baking soda, and salt.

Combine Wet Ingredients

Add eggs, milk, oil, and vanilla to the dry ingredients. Beat on medium speed for 2 minutes. Stir in boiling water until well combined.

Bake the Cake

Pour the batter evenly into the prepared pans and bake for 30-35 minutes or until a toothpick comes out clean.

Prepare the Frosting

In a bowl, beat softened butter until creamy. Gradually mix in powdered sugar and cocoa powder, followed by sour cream and vanilla.

Assemble the Cake

Once the cakes are cool, frost the top of one layer, place the second layer on top, and frost the entire cake.

Enjoy your delicious homemade chocolate cake!

Pro Tips

For an extra kick of flavor, add a teaspoon of espresso powder to the batter.

Storage and Make-Ahead Tips

This chocolate cake can be made in advance, which is ideal for busy schedules. Once baked and completely cooled, wrap the layers tightly in plastic wrap and store them in the refrigerator for up to 3 days or freeze for up to 3 months. If freezing, ensure they are well-sealed to prevent freezer burn. When ready to decorate, let the layers come to room temperature for the best frosting results.

The sour cream frosting can also be prepared ahead of time. Store it in an airtight container in the fridge for up to a week. Before using, give it a quick mix to bring back the whipped texture. Keep in mind that the frosting can also be piped for decorative effects, so have fun experimenting with different techniques!

Variations to Try

For an exciting twist on this classic recipe, consider adding flavor extracts or a hint of coffee to enhance the chocolate. A teaspoon of espresso powder mixed into the boiling water can deepen the cake's chocolate profile without making it taste like coffee. Alternatively, adding a splash of orange or peppermint extract can create a unique flavor combination that delights the taste buds.

If you want to make a layered dessert, slice the cake layers in half horizontally after cooling and fill them with fresh fruit, such as berries or cherries, along with the sour cream frosting. This not only adds a refreshing contrast but also provides a beautiful presentation when served at gatherings.

Questions About Recipes

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

Yes, using cake flour will make the cake lighter and even more tender.

→ How can I store leftover cake?

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

→ Can I freeze the chocolate cake?

Absolutely! You can freeze the unfrosted cake for up to 2 months. Just wrap it tightly in plastic wrap.

→ What if I don't have sour cream?

You can substitute with plain yogurt or make a buttermilk by mixing milk with a tablespoon of vinegar.