Buttermilk Chocolate Cake Recipe: A Moist & Fluffy Delight

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Written by Denise Reilly

June 24, 2025

Unleash the magic of buttermilk in this decadent chocolate cake that promises to be the star of any dessert table. Perfect for birthdays, anniversaries, or just because you deserve a slice of happiness.

Why This Recipe Works

  • The acidity in buttermilk tenderizes the gluten in the flour, resulting in a softer, more delicate crumb.
  • Buttermilk adds a subtle tang that balances the sweetness of the chocolate, creating a complex flavor profile.
  • This recipe uses a combination of cocoa powder and melted chocolate for a deep, rich chocolate flavor that’s unmatched.

Ingredients

  • 2 cups all-purpose flour
  • 2 cups sugar
  • 3/4 cup unsweetened cocoa powder
  • 2 tsp baking soda
  • 1 tsp baking powder
  • 1 tsp salt
  • 1 cup buttermilk
  • 1/2 cup vegetable oil
  • 2 large eggs
  • 2 tsp vanilla extract
  • 1 cup boiling water

Equipment Needed

  • 9-inch round cake pans (2)
  • Mixing bowls
  • Whisk
  • Measuring cups and spoons
  • Spatula
  • Cooling rack

Instructions

Butter Milk Chocolate Cake Recipe

Preheat and Prepare

Start by preheating your oven to 350°F. Grease and flour two 9-inch round cake pans to ensure your cakes release easily after baking. This step is crucial for a flawless presentation.

Mix Dry Ingredients

In a large mixing bowl, sift together the flour, sugar, cocoa powder, baking soda, baking powder, and salt. Sifting not only combines the ingredients but also aerates the flour, contributing to a lighter cake texture.

Combine Wet Ingredients

In another bowl, whisk together the buttermilk, vegetable oil, eggs, and vanilla extract until well combined. The buttermilk’s acidity reacts with the baking soda, so don’t skip this step for the perfect rise.

Bring It All Together

Gradually add the wet ingredients to the dry ingredients, mixing until just combined. Then, stir in the boiling water. The batter will be thin, but that’s what gives this cake its moist texture.

Bake to Perfection

Divide the batter evenly between the prepared pans. Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean. Allow the cakes to cool in the pans for 10 minutes before transferring to a cooling rack.

Tips and Tricks

For an even more moist cake, brush the cooled layers with a simple syrup before frosting. If you’re out of buttermilk, make your own by adding 1 tablespoon of vinegar or lemon juice to a cup of milk and letting it sit for 5 minutes. Always use room temperature ingredients to ensure a smooth, evenly mixed batter.

Recipe Variations

  • Add a cup of chocolate chips to the batter for extra chocolatey goodness.
  • Top with a peanut butter frosting for a classic flavor combination.
  • Incorporate a teaspoon of espresso powder into the dry ingredients to enhance the chocolate flavor.

Frequently Asked Questions

Can I make this cake gluten-free?

Absolutely! Substitute the all-purpose flour with your favorite gluten-free flour blend. Just ensure it’s a 1:1 substitution ratio for best results.

How should I store the cake?

This cake stays moist for days when stored in an airtight container at room temperature. For longer storage, freeze the unfrosted layers wrapped in plastic wrap and foil.

Can I use Dutch-processed cocoa?

Yes, but since Dutch-processed cocoa is neutralized, you’ll need to use baking powder as the leavening agent instead of baking soda to ensure the cake rises properly.

Summary

This buttermilk chocolate cake is a foolproof recipe that delivers a moist, fluffy, and richly chocolatey cake every time. Perfect for any occasion, it’s sure to impress.

Denise Reilly shares quick, no-stress cake and dessert ideas to help you enjoy homemade treats anytime.

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