If you have a serious sweet tooth and love chocolatey indulgence, this Hot Fudge Cake Recipe is everything you’ve been dreaming of and more. It’s that magical dessert where a light, fluffy chocolate cake forms on top while a rich, gooey hot fudge sauce bubbles up underneath, creating a perfect balance of texture and flavor. The simplicity of the ingredients belies the decadent, restaurant-worthy result you’ll get, making this treat an instant favorite for any occasion. Trust me, once you try this Hot Fudge Cake Recipe, it will become your go-to when you want dessert that’s both comforting and show-stopping.

Ingredients You’ll Need
This recipe uses straightforward pantry staples, each playing an important role in the cake’s texture, sweetness, and of course, that luscious chocolate flavor. These simple components combine effortlessly to create a dessert that feels anything but basic.
- 1 cup all-purpose flour: Provides the perfect light structure for the cake layer.
- 3/4 cup granulated sugar (for cake): Sweetens the cake without overpowering the chocolate.
- 2 tbsp unsweetened cocoa powder (for cake): Adds rich chocolate flavor and a deep color.
- 2 tsp baking powder: Gives the cake a gentle rise and tender crumb.
- 1/4 tsp salt: Balances sweetness and enhances all the flavors.
- 1/2 cup milk: Keeps the batter smooth and adds moisture.
- 1/4 cup unsalted butter, melted: Brings buttery richness and softness to the cake.
- 1 tsp vanilla extract: Adds warm, aromatic depth that complements the chocolate.
- 1/2 cup granulated sugar (for fudge sauce): Begins the gooey sauce layer with perfect sweetness.
- 1/2 cup packed brown sugar: Lends a caramel-like undertone to the fudge sauce.
- 1/4 cup unsweetened cocoa powder (for fudge sauce): Provides the intense chocolate punch in the sauce.
- 1 1/4 cups hot water: Activates the fudgy sauce by dissolving the sugars and cocoa perfectly.
How to Make Hot Fudge Cake Recipe
Step 1: Prepare the Batter
First things first, preheat your oven to 350°F (175°C) and grease an 8×8-inch baking dish. In a medium bowl, whisk together the flour, granulated sugar, cocoa powder, baking powder, and salt. This dry mix forms the cake’s foundation. Then stir in the milk, melted butter, and vanilla extract until the batter is silky smooth. Spread it evenly in your prepared pan—this is the base that will rise beautifully while the fudge sauce works its magic underneath.
Step 2: Make the Fudge Sauce
In a separate bowl, combine the granulated sugar, brown sugar, and cocoa powder for the sauce. This sweet and chocolaty mixture is going to become your gooey hot fudge layer. Sprinkle it evenly over the batter you’ve just spread in the dish. It looks like just a pile of dry ingredients on top, but trust me, this is pure magic in the making.
Step 3: Add Hot Water
Now, pour the hot water carefully over the entire mixture—do not stir it! This step might feel a little strange, but it’s essential. The water will sink through the batter and sugars, melting them down and creating the perfect hot fudge sauce when baked. Be gentle in this step to keep the layers intact.
Step 4: Bake to Perfection
Pop the dish into the oven and bake for about 35-40 minutes. You’ll know it’s ready when the top is set like cake and the edges are bubbling deliciously with molten fudge. Peek through the glass if you can—it’s like watching dessert alchemy happen right inside your oven.
Step 5: Cool and Serve
Once baked, let the cake cool for about 10 minutes. This brief wait helps the fudge sauce settle slightly so it won’t spill everywhere on serving, but it’s best enjoyed warm so the sauce stays gooey and drippy. Serve it with a scoop of vanilla ice cream or freshly whipped cream for an unforgettable finish.
How to Serve Hot Fudge Cake Recipe

Garnishes
The beauty of this Hot Fudge Cake Recipe is how it pairs perfectly with simple garnishes that elevate it even more. A generous scoop of creamy vanilla ice cream melts beautifully onto the warm cake, complementing the rich chocolate sauce perfectly. Try it with a sprinkle of chopped toasted nuts, fresh berries, or a light dusting of powdered sugar for a touch of elegance and texture.
Side Dishes
This decadent dessert stands strong on its own but can be artistically paired with light, refreshing sides to balance richness. A crisp fruit salad or a tart sorbet contrasts wonderfully with the thickness of the fudge cake, cleansing your palate after each indulgent bite. Coffee or a robust black tea is an excellent drink companion to round out your dessert experience.
Creative Ways to Present
Looking to impress your guests? Try serving the cake in clear glass bowls to show off the distinct layers of fluffy cake and hot fudge. Alternatively, use ramekins for individual portions, perfect for dinner parties. Drizzle some extra chocolate sauce or caramel on top and add a sprig of mint for a pop of color and freshness. Presentation is part of the fun with this crowd-pleaser!
Make Ahead and Storage
Storing Leftovers
If you happen to have leftovers of this divine Hot Fudge Cake Recipe, cover them tightly with plastic wrap or transfer the cake to an airtight container. Keep it in the refrigerator where it will stay moist and delicious for up to 3 days. The fudge sauce might thicken after cooling, so warming before serving is a good idea.
Freezing
You can freeze this cake if you want to make it ahead for big gatherings or save some for later. Wrap individual slices or the whole cake tightly in plastic wrap and aluminum foil to prevent freezer burn. Frozen, it will keep beautifully for up to 2 months. Just be sure to thaw it in the refrigerator overnight before reheating.
Reheating
To bring back that warm, gooey satisfaction, reheat leftovers gently in the microwave for 20-30 seconds or in a preheated oven at 325°F (160°C) for about 10 minutes. This will revive the hot fudge’s luscious texture and soften the cake, making it feel freshly baked all over again.
FAQs
Can I use different types of cocoa powder in this Hot Fudge Cake Recipe?
Yes! You can use natural or Dutch-processed cocoa powder. Just know that Dutch-processed tends to be smoother and less acidic, which might slightly change the flavor profile but not the overall success of the cake.
Is this Hot Fudge Cake Recipe gluten-free?
This recipe calls for all-purpose flour, so it is not gluten-free as is. However, you can try substituting a gluten-free flour blend with similar baking properties. Be sure to check that your baking powder is gluten-free too.
Can I make this cake in a larger pan?
While an 8×8-inch pan is recommended to maintain the right thickness and fudgy ratio, you can scale up the ingredients proportionally for a larger pan. Just keep an eye on the baking time as it may need a bit longer to set fully.
What’s the secret to that gooey fudge layer? Can I stir the batter and sauce?
The secret is pouring the hot water over the sugar and batter mixture and not stirring. This allows the sugar to dissolve through the batter during baking, forming that irresistible molten fudge sauce underneath the cake layer. Stirring would mix everything together and lose that layered effect.
Can I add nuts or chocolate chips to this Hot Fudge Cake Recipe?
Absolutely! Toss in some chopped walnuts, pecans, or chocolate chips into the batter before baking for a delightful crunch or extra bursts of chocolate. It’s a great way to customize the cake to your taste and texture preferences.
Final Thoughts
If you love desserts that feel like a warm hug and combine ease with decadence, you absolutely have to try this Hot Fudge Cake Recipe. Simple ingredients come together to create a dessert that’s rich, comforting, and irresistibly chocolatey in the best way. Whether for a family night in or a special occasion, this cake will earn a permanent spot in your recipe collection. Don’t wait to share the joy of this amazing treat with everyone around you!
Print
Hot Fudge Cake Recipe
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Total Time: 55 minutes
- Yield: 9 servings
- Category: Dessert
- Method: Baking
- Cuisine: American
Description
This Hot Fudge Cake is a decadent dessert featuring a moist chocolate cake layer on top with a rich, gooey hot fudge sauce underneath. Baked in one dish, this easy recipe combines the best of both worlds with a simple batter covered by a luscious fudge sauce that bubbles up during baking. Perfect served warm with vanilla ice cream or whipped cream, it’s a comforting treat ideal for chocolate lovers.
Ingredients
For the Cake:
- 1 cup all-purpose flour
- 3/4 cup granulated sugar
- 2 tbsp unsweetened cocoa powder
- 2 tsp baking powder
- 1/4 tsp salt
- 1/2 cup milk
- 1/4 cup unsalted butter, melted
- 1 tsp vanilla extract
For the Fudge Sauce:
- 1/2 cup granulated sugar
- 1/2 cup packed brown sugar
- 1/4 cup unsweetened cocoa powder
- 1 1/4 cups hot water
Instructions
- Prepare the Batter: Preheat your oven to 350°F (175°C) and grease an 8×8-inch baking dish thoroughly to prevent sticking.
- Mix Dry Ingredients: In a medium bowl, whisk together flour, granulated sugar, cocoa powder, baking powder, and salt until well combined.
- Add Wet Ingredients: Stir in the milk, melted butter, and vanilla extract into the dry mixture until the batter becomes smooth and uniform. Spread the batter evenly across the greased baking dish.
- Prepare Fudge Sauce Mixture: In a separate bowl, combine the granulated sugar, brown sugar, and cocoa powder and sprinkle this mixture evenly over the cake batter in the baking dish.
- Add Hot Water: Carefully and slowly pour the hot water over the sugar and cocoa mixture without stirring, allowing it to seep through the batter.
- Bake: Place the baking dish in the preheated oven and bake for 35 to 40 minutes. The top should set and develop a cake-like texture, while the edges bubble with hot fudge sauce underneath.
- Serve: Allow the cake to cool for about 10 minutes before serving. Serve warm with a scoop of vanilla ice cream or a dollop of whipped cream to enjoy the warm, gooey hot fudge layer.
Notes
- Do not stir after pouring the hot water over the fudge sauce ingredients; this separation creates the signature cake and sauce layers.
- Use an 8×8-inch baking dish for best results to ensure proper baking time and fudge consistency.
- The cake is best served warm to enjoy the gooey texture of the hot fudge sauce.
- Leftovers can be refrigerated and heated gently before serving.

