Short description
This hot chocolate fudge cake is rich, moist, and deeply chocolaty, baked until just set for a fudgy texture and served warm with silky homemade chocolate fudge sauce. Paired with vanilla ice cream, it’s the ultimate indulgent dessert.
Why You’ll Love This Recipe
- A luscious chocolate cake with a fudgy, melt-in-your-mouth texture.
- Easy-to-make chocolate fudge sauce for drizzling.
- Perfect warm dessert for dinner parties or cozy nights in.
- Keeps well and stays moist thanks to butter, oil, and milk.
- Pairs beautifully with ice cream or whipped cream.

Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
For the cake
1 cup plain/all-purpose flour
⅓ cup cocoa powder (unsweetened), sifted
¾ teaspoon baking powder
¾ teaspoon baking soda
1 cup caster sugar (or white sugar)
¼ teaspoon salt
1 large egg, room temperature
½ cup full-fat milk, room temperature
75 g (5 tablespoons) unsalted butter, melted and slightly cooled
1 tablespoon neutral oil (canola, vegetable, etc.)
1 teaspoon vanilla extract
½ cup boiling water
For the chocolate fudge sauce
1 cup thickened/heavy cream (not low-fat)
1 ¼ cups dark chocolate melts or chips (or finely chopped 60–70% cocoa chocolate)
For serving
Vanilla ice cream
Directions
Make the cake
- Preheat oven to 180°C / 350°F (160°C fan). Grease and line a 20 cm / 8-inch round cake pan.
- In a large bowl, whisk together flour, cocoa powder, baking powder, baking soda, sugar, and salt.
- Add egg, milk, melted butter, oil, and vanilla. Whisk until combined.
- Add boiling water and whisk until smooth (batter will be thin).
- Pour batter into prepared pan and bake for 40 minutes, or until a skewer inserted comes out mostly clean (a faint smear is okay for a fudgy cake).
- Cool in the pan for 10 minutes, then invert onto a plate and transfer to a cooling rack. Cool another 10 minutes before serving warm.
Make the chocolate fudge sauce
- Heat cream until hot but not boiling.
- Place chocolate in a bowl, pour hot cream over, cover with a plate, and let sit 5 minutes.
- Stir or whisk until smooth and glossy. Let cool for 20 minutes to thicken slightly.
Serve
- Slice warm cake, top with vanilla ice cream, and drizzle generously with fudge sauce.
Servings and timing
Serves 10.
Preparation time: 15 minutes.
Baking time: 40 minutes.
Cooling and sauce prep: 30 minutes.
Total time: about 1 hour 25 minutes.
Variations
- Add a teaspoon of espresso powder to enhance the chocolate flavor.
- Sprinkle chopped nuts or chocolate chunks into the batter.
- Replace vanilla with orange zest for a chocolate-orange twist.
- Swap fudge sauce for salted caramel sauce for variety.
- Make individual cakes in ramekins for single-serve desserts.
Storage/Reheating
- Store cake in the fridge for 5–7 days, covered. Warm before serving.
- Fudge sauce keeps for up to 1 week in the fridge. Reheat gently to melt.
- Both cake and sauce can be frozen for up to 3 months.

FAQs
1. Can I make this cake ahead of time?
Yes, the cake can be baked a day or two ahead. Warm slices before serving.
2. Why is my batter so thin?
This is normal—boiling water creates a moist, fudgy texture.
3. Can I use self-raising flour?
Yes, but omit baking powder and baking soda. The cake may not rise as much but will still be delicious.
4. Can I make this recipe without eggs?
Yes, replace the egg with a flax egg or commercial egg replacer.
5. What type of cocoa powder works best?
Both natural and Dutch-processed cocoa powder work. Dutch-processed will give a deeper color and flavor.
6. Can I use milk chocolate instead of dark for the sauce?
Yes, but it will be sweeter and less rich.
7. How do I know when the cake is done?
Insert a skewer—if it comes out with a few moist crumbs, it’s ready.
8. Can I bake this in a larger pan?
Yes, but baking time will be shorter—start checking at 30 minutes.
9. Can I serve this cake cold?
Yes, but it’s best warm with melting ice cream and sauce.
10. Can I double the recipe?
Yes, bake in two pans or a larger pan, adjusting the time as needed.
Conclusion
Hot chocolate fudge cake is a decadent dessert that’s easy to make yet feels special. With its fudgy crumb, silky chocolate sauce, and a scoop of ice cream, it’s a true crowd-pleaser for any occasion. Perfect for when you want indulgence in every bite.
Print
Hot Chocolate Fudge Cake
- Total Time: 1 hour 25 minutes
- Yield: 10 servings
- Diet: Vegetarian
Description
This hot chocolate fudge cake is rich, moist, and deeply chocolaty, baked until just set for a fudgy texture and served warm with silky homemade chocolate fudge sauce. Paired with vanilla ice cream, it’s the ultimate indulgent dessert.
Ingredients
1 cup plain/all-purpose flour
⅓ cup unsweetened cocoa powder, sifted
¾ tsp baking powder
¾ tsp baking soda
1 cup caster sugar (or white sugar)
¼ tsp salt
1 large egg, room temperature
½ cup full-fat milk, room temperature
75 g (5 tbsp) unsalted butter, melted and slightly cooled
1 tbsp neutral oil (canola, vegetable, etc.)
1 tsp vanilla extract
½ cup boiling water
1 cup thickened/heavy cream (not low-fat)
1 ¼ cups dark chocolate melts or chips (or finely chopped 60–70% cocoa chocolate)
Vanilla ice cream (for serving)
Instructions
- Preheat oven to 180°C / 350°F (160°C fan). Grease and line a 20 cm / 8-inch round cake pan.
- Whisk flour, cocoa powder, baking powder, baking soda, sugar, and salt in a large bowl.
- Add egg, milk, melted butter, oil, and vanilla. Whisk until combined.
- Add boiling water and whisk until smooth (batter will be thin).
- Pour batter into prepared pan and bake 40 minutes, until a skewer comes out mostly clean with a faint smear.
- Cool in pan 10 minutes, then invert onto a plate and transfer to a rack. Cool another 10 minutes before serving warm.
- For fudge sauce: heat cream until hot but not boiling. Place chocolate in a bowl, pour cream over, cover, and sit 5 minutes. Stir until smooth and glossy. Let cool 20 minutes to thicken.
- Slice warm cake, top with vanilla ice cream, and drizzle with fudge sauce.
Notes
- Add 1 tsp espresso powder for a richer chocolate flavor.
- Sprinkle chopped nuts or chocolate chunks into the batter.
- Use orange zest instead of vanilla for a chocolate-orange twist.
- Swap fudge sauce with salted caramel for variety.
- Bake in ramekins for single-serve desserts.
- Prep Time: 15 minutes
- Cook Time: 40 minutes
- Category: Dessert
- Method: Baking
- Cuisine: Western
Nutrition
- Serving Size: 1 slice with sauce
- Calories: 420 kcal
- Sugar: 32 g
- Sodium: 190 mg
- Fat: 24 g
- Saturated Fat: 12 g
- Unsaturated Fat: 11 g
- Trans Fat: 0 g
- Carbohydrates: 48 g
- Fiber: 4 g
- Protein: 5 g
- Cholesterol: 55 mg