medshi8 This moist, rich Mary Berry Chocolate Birthday Cake is made with cocoa powder, free-range eggs, and double cream, and ready in just under two hours. The glossy chocolate ganache coats the tender sponge layers for a finish that looks professional but takes minutes to achieve. I love making this for family parties because the all-in-one method never fails me.
Why This Classic Works
Mary Berry’s recipes are famous for reliability, and this chocolate cake is no exception. The secret lies in mixing the cocoa with boiling water first, which blooms the chocolate flavour and ensures the sponge stays moist for days.
I used to struggle with dry chocolate cakes until I tried this method. The addition of a little milk and the specific order of ingredients creates a batter that lifts perfectly every time without becoming dense.
Mary Berry Chocolate Birthday Cake Ingredients
For the Sponge:
- 50g cocoa powder
- 6 tbsp boiling water
- 3 large eggs, beaten
- 50ml milk
- 175g self-raising flour
- 1 tsp baking powder
- 100g baking spread or soft butter
- 275g caster sugar
For the Icing:
- 150g dark chocolate (39-50% cocoa solids), broken into pieces
- 150ml double cream
- 3 tbsp apricot jam (optional, for brushing)
How To Make Mary Berry Chocolate Birthday Cake
- Preheat and Prep: Preheat the oven to 180°C (160°C fan/Gas 4) and grease two 20cm (8in) round sandwich tins, lining the bases with baking parchment.
- Mix the Cocoa: Put the cocoa powder in a large bowl, add the boiling water, and mix until you have a smooth, thick paste.
- Add Remaining Ingredients: Add the eggs, milk, flour, baking powder, butter, and sugar to the cocoa paste and beat well with an electric mixer until combined.
- Bake the Sponges: Divide the batter evenly between the tins and bake for 25–30 minutes until well risen and springing back when pressed lightly.
- Cool Down: Remove from the oven, leave in the tins for a few minutes, then turn out onto a wire rack to cool completely.
- Make the Ganache: Heat the cream in a small pan until hot but not boiling, add the chocolate, and stir until melted and smooth, then let it cool until thick enough to spread.
- Assemble: Brush the tops of the sponges with apricot jam if using, sandwich the layers with half the ganache, and spread the rest over the top.
Recipe Tips
- Bloom the cocoa: Mixing cocoa with boiling water releases the full flavour and prevents the cake from tasting powdery.
- Don’t overmix: Once the flour goes in, mix just until smooth to keep the sponge light; overworking leads to a tough texture.
- Check your dates: Ensure your baking powder is fresh, as this all-in-one method relies heavily on the raising agent for lift.
- Cooling the ganache: Let the icing sit at room temperature for about an hour before spreading so it holds its shape on the cake.
What To Serve With Mary Berry Chocolate Birthday Cake
A simple dollop of extra thick double cream cuts through the richness of the ganache perfectly. Fresh raspberries or strawberries also add a bright acidity that balances the deep chocolate sweetness.
How To Store
Store this cake in an airtight container at room temperature for up to three days. If the weather is very hot, keep it in the fridge but bring it back to room temperature before serving for the best texture.
FAQs
Can I freeze the sponges? Yes, wrap the un-iced sponges tightly in cling film and foil, then freeze for up to two months.
Why did my cake sink in the middle? This usually happens if the oven door was opened too early or the batter was over-mixed before baking.
Can I use milk chocolate for the ganache? You can, but it will be much sweeter and might not set as firm as dark chocolate, so reduce the cream slightly.
What size tins should I use? This recipe is designed for two 20cm (8in) sandwich tins; using larger tins will result in very thin layers.
Nutrition
- Calories: 450 kcal
- Total Fat: 28g
- Saturated Fat: 14g
- Cholesterol: 85mg
- Sodium: 220mg
- Total Carbohydrate: 48g
- Protein: 5g
Try More Recipes:
- Mary Berry Date and Walnut Cake Recipe
- Mary Berry Sponge Cake with Oil Recipe
- Mary Berry Loaf Cake Recipe
Mary Berry Chocolate Birthday Cake
810
servings20
minutes2
hours10
minutes2
hours30
minutesRich and fudgy Mary Berry Chocolate Birthday Cake featuring moist sponge layers and silky ganache made with dark chocolate and double cream. Ready in under two hours, this reliable recipe delivers professional results and is a stress-free choice for any important family celebration.
Ingredients
50g cocoa powder
6 tbsp boiling water
3 large eggs, beaten
50ml milk
175g self-raising flour
1 tsp baking powder
100g baking spread or soft butter
275g caster sugar
150g dark chocolate (39-50% cocoa solids), broken into pieces
150ml double cream
3 tbsp apricot jam (optional, for brushing)
Directions
- Preheat the oven to 180°C (160°C fan/Gas 4) and grease two 20cm (8in) round sandwich tins, lining the bases with baking parchment.
- Put the cocoa powder in a large bowl, add the boiling water, and mix until you have a smooth, thick paste.
- Add the eggs, milk, flour, baking powder, butter, and sugar to the cocoa paste and beat well with an electric mixer until combined.
- Divide the batter evenly between the tins and bake for 25–30 minutes until well risen and springing back when pressed lightly.
- Remove from the oven, leave in the tins for a few minutes, then turn out onto a wire rack to cool completely.
- Heat the cream in a small pan until hot but not boiling, add the chocolate, and stir until melted and smooth, then let it cool until thick enough to spread.
- Brush the tops of the sponges with apricot jam if using, sandwich the layers with half the ganache, and spread the rest over the top.
