Buttermilk Chocolate Cake with Hot Fudge Glaze
The moment I took a bite of this moist buttermilk chocolate cake smothered in rich hot fudge glaze, I knew I was in for a treat.
I still remember the afternoon I first made this cake, standing in my grandmother’s cozy kitchen, surrounded by the warm scent of melting chocolate and the sound of sizzling buttermilk on the stovetop – it was a magical moment, and one that I’ll always treasure.
It wasn’t until I shared this cake with my family, though, that I realized just how special it truly was – the way the glaze drizzled down the sides, the tender crumb, the deep chocolate flavor… This Buttermilk Chocolate Cake with Hot Fudge Glaze quickly became a cherished family favorite.
Why You’ll Love This Buttermilk Chocolate Cake with Hot Fudge Glaze
- The combination of tender cake and gooey hot fudge glaze is absolute perfection.
- Rich, deep chocolate flavor from high-quality cocoa powder.
- Ready in just 45 minutes – perfect for a weeknight dessert.
- Foolproof recipe with easy-to-follow instructions.
- Perfect for birthdays, anniversaries, or any special occasion.
Ingredients You’ll Need
- 2 cups all-purpose flour
- 1 cup granulated sugar
- 4 large eggs
- 1/2 cup unsweetened cocoa powder
- 1/2 cup unsalted butter, softened
- 1 cup buttermilk
- 2 teaspoons baking powder
- 1 teaspoon salt
- 1 teaspoon vanilla extract
- Hot Fudge Glaze: 1/2 cup unsalted butter, 2 cups confectioners’ sugar, 2 tablespoons unsweetened cocoa powder

The star ingredients of this recipe are undoubtedly the high-quality cocoa powder, which gives the cake its deep, rich flavor, and the buttermilk, which adds a tangy, moistness to the cake that’s simply irresistible.
Expert Tips for the Best Buttermilk Chocolate Cake with Hot Fudge Glaze
- Don’t overmix the batter – this will ensure a tender crumb.
- Use high-quality cocoa powder for the best flavor.
- Add a teaspoon of espresso powder to intensify the chocolate flavor.
- Check for doneness by inserting a toothpick into the center of the cake.
- Make the hot fudge glaze ahead of time and store it in the fridge for up to 3 days.
Variations and Substitutions
For a gluten-free version, try substituting the all-purpose flour with a 1:1 gluten-free flour blend. For a protein boost, add in some chopped nuts or chocolate chips. And for a bold flavor twist, try adding in a teaspoon of mint extract or a handful of espresso beans.

How to Store and Reheat
Store the cake in an airtight container in the fridge for up to 5 days. To reheat, simply microwave a slice for 10-15 seconds or until warm and gooey. You can also freeze the cake for up to 2 months – just thaw and reheat as needed.
Frequently Asked Questions
Can I make this cake without buttermilk?
Yes, you can make a substitute for buttermilk by mixing 1 cup of milk with 1 tablespoon of white vinegar or lemon juice. Let it sit for 5-10 minutes before using.
How do I ensure the cake is fully cooked?
Insert a toothpick into the center of the cake – if it comes out clean, the cake is done. If not, bake for an additional 5 minutes and check again.
Can I freeze the hot fudge glaze?
Yes, you can freeze the hot fudge glaze for up to 2 months. Simply thaw and reheat as needed.
I hope you love this Buttermilk Chocolate Cake with Hot Fudge Glaze as much as I do – give it a try and let me know what you think!
Buttermilk Chocolate Cake
🧂 Ingredients
👩🍳 Instructions
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1Preheat the oven to 350°F (175°C). Grease two 9-inch round cake pans and line the bottoms with parchment paper.
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2In a medium bowl, whisk together flour, sugar, and baking powder.
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3In a large mixing bowl, using an electric mixer, beat the eggs until light and fluffy, about 3 minutes.
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4Add the cocoa powder and beat until well combined.
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5Add the flour mixture to the cocoa mixture and beat until just combined.
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6Add the butter and beat until smooth.
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7Add the buttermilk and beat until combined.
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8Divide the batter evenly between the prepared pans and smooth the tops.
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9Bake for 35-40 minutes, or until a toothpick inserted into the center of each cake comes out clean.
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10Remove from the oven and let cool in the pans for 10 minutes, then transfer to a wire rack to cool completely.
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11To make the Hot Fudge Glaze, melt the butter in a small saucepan over low heat.
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12Add the confectioners’ sugar, cocoa powder, and 2 tablespoons of water to the saucepan and whisk until smooth.
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13Bring the mixture to a simmer and cook for 5 minutes, or until thickened to your liking.
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14Drizzle the glaze over the cooled cakes.

