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 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; 1 cup sour cream; 3 cups powdered sugar; 1/2 cup unsweetened cocoa powder; 1 teaspoon vanilla extract; 1/4 cup unsalted butter, softened

Highlighted under: Golden Sweets

I absolutely love this Chocolate Cake with Sour Cream Frosting! It’s become my go-to recipe for celebrations and gatherings. The rich, decadent chocolate flavor perfectly contrasts with the tangy sweetness of the sour cream frosting. I remember the first time I baked this cake; the aroma was intoxicating, and once it came out of the oven, it vanished in minutes. This cake is not only scrumptious but also surprisingly easy to whip up, making it a delightful treat for any occasion.

Created by

Lydia Spencer

Last updated on 2026-01-22T09:58:12.739Z

When I first tried making this cake, I was stunned by how moist and rich the chocolate turned out. It took a few attempts to perfect the sour cream frosting, but it was worth every effort. It adds just the right creaminess and a touch of tang that elevates the cake to a new level. I found that letting the cake cool completely before frosting helps the frosting stick better and enhances the overall flavor.

In experimenting with different chocolate types, I discovered that using high-quality cocoa powder truly makes a difference in taste. The extra step of incorporating hot water into the batter helped achieve that melt-in-your-mouth texture. I can’t wait to share this cake with friends and family at our next gathering!

Why You Will Love This Recipe
Rich chocolate flavor paired with fresh orange zest
Creamy texture that melts in your mouth
Perfect for celebrations or as a sweet indulgence

Mastering the Cake Batter

The secret to a luscious chocolate cake lies in the batter's texture. When mixing the dry ingredients, ensure they are well-sifted to aerate them, which results in a lighter cake. Be cautious when adding the boiling water; this step may seem unconventional, but it truly enhances the batter's smoothness and richness. It 'wakes up' the cocoa powder, leading to an intense chocolate flavor. Aim for a batter that is slightly runny but well-combined without lumps, as it will result in a moist cake.

Baking times can vary depending on your oven, so it's crucial to start checking the cakes around the 25-minute mark. The cakes are done when they spring back lightly when touched or when a toothpick inserted in the center comes out clean. If you overbake, the cake may dry out, sacrificing that immensely satisfying melt-in-your-mouth texture we all love.

Creating the Perfect Frosting

For the sour cream frosting, achieving the right consistency is essential. Start by mixing the softened butter with the powdered sugar until it reaches a light and fluffy state. Gradually add the sour cream, as it can prevent the mixture from becoming grainy. If your frosting feels too thick, a splash of milk can help achieve a smoother spreadable texture. This creamy frosting should spread easily but not be overly runny, maintaining its shape atop the cake slices.

Don't hesitate to taste the frosting; this is the perfect moment to adjust the sweetness or cocoa level according to your preference. If you're feeling adventurous, consider adding a hint of espresso powder or a splash of orange zest for a delightful twist on flavors that can balance the cake's richness beautifully.

Ingredients

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

Cake Ingredients

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

Frosting Ingredients

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

Ensure all ingredients are at room temperature before using for best results.

Instructions

Follow these steps carefully to achieve the perfect cake.

Preheat the Oven

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

Mix the Dry Ingredients

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

Prepare the Batter

Add eggs, milk, oil, and vanilla extract to the dry ingredients. Mix well until smooth. Gradually stir in boiling water to thin the batter.

Bake the Cakes

Divide the batter evenly between the prepared pans. Bake for 30 minutes or until a toothpick inserted in the center comes out clean.

Make the Frosting

In a medium bowl, mix sour cream, powdered sugar, cocoa powder, vanilla extract, and butter until creamy.

Frost the Cake

Once the cakes have cooled, place one layer on a serving plate and spread frosting on top. Add the second layer, then frost the top and sides.

Let the frosted cake sit for about 30 minutes before serving to enhance the flavors.

Pro Tips

For added flavor, consider incorporating a splash of espresso into the batter, or garnish with chocolate shavings on top of the frosting.

Storing and Serving Your Cake

This chocolate cake can be stored for up to five days when kept in an airtight container at room temperature, making it a great dessert for preparing ahead of time. If you prefer to extend its shelf life, refrigerating it can help, especially in warmer climates. However, it's best to let the cake come to room temperature before serving to enjoy the frosting's creamy texture fully.

For a festive touch, consider decorating the frosted cake with chocolate shavings or fresh berries right before serving. This not only enhances its visual appeal but also adds layers of flavor and texture, elevating the overall experience of this decadent dessert.

Variations and Customizations

Feeling creative? This chocolate cake can serve as a base for various adaptations. Swapping out half of the all-purpose flour for almond flour can create a delightful nutty flavor and a slightly different texture, making it a tasty gluten-free option. You could also infuse the cake with instant coffee granules in the batter, which will intensify the chocolate flavor without overwhelming the cake with a coffee taste.

Another fun variation involves layering the cake with additional fillings, such as raspberry jam or whipped cream, between the layers before frosting. This adds a tart contrast to the rich chocolate and sour cream, which can be an exciting surprise for those who bite into it.

Questions About Recipes

→ Can I use low-fat sour cream?

Yes, but it may alter the texture slightly; full-fat offers the creamiest results.

→ How can I store leftover cake?

Keep it in an airtight container at room temperature for up to 3 days, or refrigerate for longer freshness.

→ What can I use instead of eggs?

You can use flaxseed meal or applesauce as a substitute, about 1/4 cup per egg.

→ Can I freeze this cake?

Absolutely! Wrap it well and freeze for up to 2 months. Frosting can be added after thawing.