Chocolate Fudge Cake Recipe that bakes up ultra moist, deeply chocolaty, and unapologetically fudgy. It suits birthday blowouts, date nights at home, or midweek cravings, and it takes about 1 hour 10 minutes start to finish. I first baked it for my neighbor’s block party, and the platter returned suspiciously clean.
Why Choose This Chocolate Fudge Cake Recipe
Chocolate Fudge Cake Recipe delivers bakery-level flavor with one-bowl ease and a rich fudge frosting that sets soft and glossy. The hot coffee boosts cocoa flavor, the buttermilk keeps the crumb tender, and oil locks in moisture.
I tested this cake on weeknights and weekends, and it never fails. The batter mixes quickly, the layers rise evenly, and the frosting spreads like a dream without sliding off.
It tastes like a special-occasion chocolate cake that you whipped up on a weeknight, which feels like a tiny life win ★★★★★
Ingredients You Need
- All-purpose flour: 1 3/4 cups or 220 g
- Unsweetened cocoa powder: 3/4 cup or 75 g, Dutch-process for deeper flavor, natural works fine
- Granulated sugar: 2 cups or 400 g
- Baking powder: 1 1/2 tsp
- Baking soda: 1 1/2 tsp
- Fine sea salt: 1 tsp
- Large eggs: 2, room temperature
- Buttermilk: 1 cup, room temperature; shortcut: 1 cup milk mixed with 1 tbsp white vinegar, rest 5 minutes
- Neutral oil: 1/2 cup, such as canola, vegetable, or light olive oil
- Vanilla extract: 2 tsp
- Hot coffee or boiling water: 1 cup; decaf works and still boosts cocoa
- Optional mix-in: 1/2 cup mini chocolate chips for extra fudgy pockets
Fudge frosting
- Semi-sweet chocolate: 12 oz, finely chopped or chips; I like 60 percent cacao
- Heavy cream: 1 cup
- Unsalted butter: 2 tbsp, room temperature, for extra silk
- Light corn syrup: 1 tbsp, optional for shine
- Pinch of fine salt
Equipment
- Two 8-inch round cake pans or one 9-inch square pan
- Parchment rounds, nonstick spray or butter, and a little cocoa for dusting
- Large mixing bowl, whisk or hand mixer
- Small saucepan and heatproof bowl for frosting
- Offset spatula and wire rack
- Kitchen scale helps with accuracy, but cups work
How to Make Chocolate Fudge Cake Recipe
Prep the oven and pans
- Heat oven to 350°F. Grease pans, line bottoms with parchment, then dust with cocoa.
- Set a kettle to heat or brew hot coffee so it steams.
Mix the batter
- In a large bowl, whisk flour, cocoa, sugar, baking powder, baking soda, and salt until no streaks remain.
- Add eggs, buttermilk, oil, and vanilla. Whisk until smooth and glossy, about 1 minute.
- Stream in hot coffee or water while you whisk. The batter looks thin, and that gives you a moist, tender crumb.
Bake the cake
- Divide batter evenly between pans. Tap pans on the counter to pop large bubbles.
- Bake 28 to 32 minutes for two 8-inch rounds, or 35 to 38 minutes for one 9-inch square.
- Pull the cake when a toothpick comes out with a few moist crumbs. Cool 10 minutes in the pan, then turn out to a rack and cool completely.
Make the fudge frosting
- Heat cream until it steams and tiny bubbles form at the edges. Pour it over the chopped chocolate in a heatproof bowl.
- Let it sit 2 minutes. Add butter, salt, and corn syrup if using, then stir from the center until smooth and glossy.
- Cool to a spreadable state, about 30 to 45 minutes at room temp or 12 to 15 minutes in the fridge, stirring every few minutes.
Assemble and finish
- Level any domes if needed. Place one layer on a plate, spread about 1 cup frosting over the top, then set the second layer on.
- Coat the top and sides with the remaining frosting. Chill 20 minutes to set, then slice with a warm knife and serve.
Tips & Common Mistakes
- Weigh ingredients or spoon and level flour to avoid a dense crumb.
- Use room temp eggs and buttermilk so the batter emulsifies and bakes evenly.
- Choose Dutch-process cocoa for deeper chocolate notes; natural cocoa still delivers a solid result.
- Do not overmix after adding the hot liquid; whisk just until smooth.
- The batter runs thin by design, so resist the urge to add extra flour.
- Line pans with parchment to prevent sticking and to keep edges clean.
- Check doneness early; a few moist crumbs beat a dry crumb every time.
- Let layers cool fully before frosting or the frosting can slide.
- Add a pinch of flaky salt on top to sharpen chocolate flavor.
- Cut clean slices with a warm, dry knife and wipe between cuts.
Variations I've Tried
- 9×13 sheet cake: Bake 32 to 36 minutes. Frost right in the pan.
- Cupcakes: Fill liners two-thirds full and bake 18 to 20 minutes. Yields about 24.
- Espresso twist: Add 1 to 2 tsp instant espresso to the dry mix for extra depth.
- Peanut butter frosting: Swap ganache for a peanut butter buttercream for a sweet-salty vibe.
- Salted caramel finish: Drizzle a light caramel over the top, then chill to set.
- Gluten-free: Use a 1:1 gluten-free baking blend and add 1 extra tbsp oil.
- Dairy-free: Use plant milk plus vinegar for the buttermilk swap, stick with oil, and make ganache with canned full-fat coconut milk.
How to Serve
Slice and plate at room temp so the crumb tastes soft and the frosting stays silky. Pair with vanilla ice cream or a spoon of whipped cream, and add fresh raspberries for a juicy pop. I like a short espresso or a cold glass of milk with it, and a tiny pinch of flaky salt on each slice wakes up the chocolate. If you like a warm vibe, microwave a slice for 10 to 12 seconds and enjoy the fudgy edges.
Make-Ahead and Storage
- Bake cake layers up to 2 days ahead. Wrap each layer tightly in plastic and keep at room temp, or freeze up to 2 months and thaw wrapped at room temp.
- Make ganache up to 1 week ahead. Cover and chill, then bring to a spreadable state with short 5 to 10 second bursts in the microwave, stirring between bursts.
- Store the frosted cake covered at cool room temp up to 2 days, or refrigerate up to 5 days. Bring chilled slices to room temp for 30 to 45 minutes before serving for the best texture.
- Reheat a slice in the microwave for 10 to 15 seconds, or warm in a 300°F oven for 5 to 7 minutes.
Nutrition Information
- Approximate per slice, based on 12 slices with ganache: 540 calories, 28 g fat, 15 g saturated fat, 70 g carbs, 51 g sugar, 4 g fiber, 6 g protein, 430 mg sodium.
- Numbers vary with cocoa, chocolate percentage, and frosting thickness.
- I love a small, bold slice, which keeps portions satisfying and the math friendly.
Chocolate Fudge Cake Recipe
Chocolate Fudge Cake Recipe bakes up ultra moist, deeply chocolaty, and unapologetically fudgy, perfect for birthdays, date nights, or midweek cravings.
Ingredients
Instructions
- Heat the oven to 350°F (175°C). Grease two 8-inch round cake pans or one 9-inch square pan, line the bottoms with parchment, then dust lightly with cocoa powder.
- Set a kettle to heat or brew hot coffee so it is steaming by the time you mix the batter.
- In a large mixing bowl, whisk together the flour, cocoa powder, sugar, baking powder, baking soda, and fine sea salt until evenly combined and no streaks remain.
- Add the eggs, buttermilk, neutral oil, and vanilla extract. Whisk until the batter is smooth and glossy, about 1 minute.
- While whisking, slowly stream in the hot coffee or boiling water. The batter will be thin; this is normal and helps create a moist, tender crumb.
- If using mini chocolate chips, gently stir them into the batter just until distributed.
- Divide the batter evenly between the prepared pans and tap each pan gently on the counter to release any large air bubbles.
- Bake for 28 to 32 minutes for two 8-inch rounds, or 35 to 38 minutes for one 9-inch square pan, until a toothpick inserted in the center comes out with a few moist crumbs but no wet batter.
- Cool the cakes in their pans on a wire rack for 10 minutes, then turn out onto the rack, peel off the parchment, and let cool completely before frosting.
- Heat the heavy cream in a small saucepan over medium heat until it steams and tiny bubbles form around the edges; do not let it boil vigorously.
- Place the chopped semi-sweet chocolate in a heatproof bowl. Pour the hot cream over the chocolate and let sit undisturbed for 2 minutes.
- Add the unsalted butter, pinch of salt, and light corn syrup if using. Starting from the center, stir slowly until the mixture comes together into a smooth, glossy ganache.
- Let the frosting cool to a spreadable consistency, about 30 to 45 minutes at room temperature or 12 to 15 minutes in the refrigerator, stirring every few minutes so it cools evenly.
- If needed, level any domed tops from the cooled cake layers with a long serrated knife.
- Place one cake layer on a serving plate or cake stand. Spread about 1 cup of fudge frosting evenly over the top.
- Set the second layer on top, cut side down if leveled, and press gently to adhere.
- Use the remaining frosting to coat the top and sides of the cake in an even layer. Chill the finished cake for about 20 minutes to help the frosting set.
- Slice the cake with a warm, clean knife, wiping the blade between cuts for neat slices, and serve at room temperature.
Notes
Nutrition Information
Approximate per slice, based on 12 slices with fudge frosting: 540 calories; 28 g fat; 15 g saturated fat; 70 g carbohydrates; 4 g fiber; 51 g sugar; 6 g protein; 430 mg sodium. Numbers vary with cocoa type, chocolate percentage, and frosting thickness.
Approximate per slice, based on 12 slices with fudge frosting: 540 calories; 28 g fat; 15 g saturated fat; 70 g carbohydrates; 4 g fiber; 51 g sugar; 6 g protein; 430 mg sodium. Numbers vary with cocoa type, chocolate percentage, and frosting thickness.