This hot fudge cake recipe combines a soft chocolate cake with a glossy two-ingredient fudge sauce served warm over the top. Add a scoop of vanilla ice cream and the cold ice cream starts melting into the warm chocolate sauce and tender cake.
The cake batter itself comes together in one bowl, and the fudge sauce only needs chocolate and heavy cream. If you’re craving more rich chocolate desserts, try my Chocolate Fudge Cake, 3 Ingredient Chocolate Fudge, Nutty Cocoa Fudge Cookies, or 3 Ingredient Chocolate Oatmeal Cake.
What Is Hot Fudge Cake?
Hot fudge cake is a rich chocolate cake served warm with a smooth chocolate fudge sauce poured over the top. It’s often finished with vanilla ice cream, which melts into the warm cake to create an incredibly gooey chocolate dessert that’s perfect for special occasions or whenever you’re craving something comforting.
Table of contents
Ingredients You’ll Need
You probably already have most of these ingredients in your pantry. Each one plays an important role in creating a moist chocolate cake and silky homemade fudge sauce.
Let’s Make Hot Fudge Cake
You’ll be surprised how simple this dessert is. Once the cake is in the oven, you can prepare the homemade fudge sauce so everything is ready to serve warm.
Prepare the pan and dry ingredients
Preheat the oven to 350°F (175°C). Grease an 8-inch round cake pan and line the bottom with parchment paper.
In a large mixing bowl, whisk together the flour, cocoa powder, baking powder, baking soda, sugar, and salt. Break up any cocoa lumps before adding the wet ingredients.
Mix the chocolate cake batter
Add the egg, milk, melted butter, oil, and vanilla to the dry ingredients. Whisk until the batter is smooth and no dry flour remains.
Slowly pour in the boiling water while whisking. The batter will look thin, which is normal. It bakes into a moist and tender cake.
Bake until softly set
Pour the batter into the prepared pan. Bake for about 38 to 42 minutes, or until the center is set and a toothpick comes out with a few moist crumbs rather than wet batter.
Let the cake rest before slicing
Leave the cake in the pan for 10 minutes, then carefully turn it out onto a serving plate. Let it rest for another 10 minutes so it holds its shape while still staying warm.
Make the warm fudge sauce
While the cake cools slightly, place the chocolate in a heatproof bowl. Warm the heavy cream in a saucepan or microwave just until steaming, then pour it over the chocolate.
Let it sit undisturbed for 3 to 5 minutes. Stir slowly from the center outward until the sauce becomes glossy and smooth. For more detail on getting the right texture, see this step-by-step chocolate ganache guide from Handle the Heat. Let it stand for about 15 minutes so it thickens slightly but remains pourable.
How to Make Warm Fudge Sauce
Place the chocolate in a heatproof bowl.
Heat the heavy cream until steaming, not boiling, then pour it over the chocolate.
Leave it untouched for 3–5 minutes.
Stir slowly from the center outward until completely smooth and glossy.
Let the sauce rest for about 15 minutes so it thickens slightly while remaining pourable. For more detail on this technique, see Handle the Heat’s Chocolate Ganache Guide.
Common Mistakes to Avoid
Overbaking the cake: Remove it when the toothpick still has a few moist crumbs.
Adding too much flour: Use the tested 125 g flour measurement when possible.
Using butter while it’s still very hot: Let melted butter cool slightly first.
Worrying about thin batter: The boiling water makes the batter thin by design.
Boiling the cream: Heat it only until steaming.
Stirring the chocolate immediately: Let the hot cream sit over the chocolate for 3–5 minutes first.
Serving the sauce immediately after mixing: Its tested 15-minute rest helps it become thicker and more pourable.
What to Serve With Hot Fudge Cake
The best pairing is vanilla ice cream because it melts into the warm fudge sauce.
You can also serve it with:
- Fresh raspberries
- Strawberries
- Whipped cream
- Hot coffee
- Espresso
Pour the warm chocolate sauce over each slice just before serving.
FAQs
Yes. Bake the cake one day ahead and keep it covered. Reheat slices before serving, then make or rewarm the sauce right before dessert.
The sauce keeps well in the refrigerator for about 5 days. Warm it slowly before serving because chilled chocolate sauce becomes thick.
Yes. Freeze individual cake slices tightly wrapped for up to 2 months. The sauce can also be frozen, though it may need a good stir after reheating.
Vanilla ice cream is the best match because it melts into the warm chocolate sauce. You can also add raspberries, strawberries, or a small mug of Best Homemade Hot Chocolate for a cozy dessert table.
Yes, but reduce the cream slightly because milk chocolate is softer than dark chocolate. Start with ¾ cup heavy cream, then add more only if needed.
The most common cause is overbaking or measuring too much flour. Remove the cake when the center is set but a toothpick still has a few moist crumbs attached.
Yes. The cake is delicious on its own with warm fudge sauce, but vanilla ice cream adds the perfect contrast.
Yes. An 8-inch square pan works well, but baking time may vary slightly.
If You Enjoyed This Hot Fudge Cake, Here Are A Few More Rich Chocolate Desserts You’ll Love:
Hot Fudge Cake with Warm Chocolate Sauce
Ingredients
Equipment
Method
- Preheat the oven to 350°F (175°C). Grease an 8-inch round pan and line the bottom with parchment paper.
- In a large bowl, whisk together the flour, cocoa powder, baking powder, baking soda, sugar, and salt.
- Add the egg, milk, melted butter, oil, and vanilla. Whisk until smooth.
- Slowly whisk in the boiling water. The batter will be thin.
- Pour into the prepared pan and bake for 38 to 42 minutes, until the center is set and a toothpick comes out with moist crumbs.
- Cool in the pan for 10 minutes. Turn the cake out onto a serving plate and let it rest for another 10 minutes.
- For the sauce, place the chocolate in a heatproof bowl.
- Heat the heavy cream until steaming. Pour it over the chocolate and let it sit for 3 to 5 minutes.
- Stir until glossy and smooth. Let the sauce stand for 15 minutes to thicken slightly.
- Serve warm slices with vanilla ice cream and warm fudge sauce.
Nutrition
Video
Notes
- Do not use a springform pan because the thin batter may leak.
- Start checking the cake at 35 minutes if your oven runs hot.
- The cake should have moist crumbs on the toothpick, not wet batter.
- Store the sauce separately and warm it gently before serving leftovers.
- Nutrition is estimated for cake and fudge sauce only, without vanilla ice cream.
Tried this recipe?
Let us know how it was!Estimated reading time: 6 minutes
