Mary Berry Coffee and Walnut Cake Recipe

This moist, buttery Mary Berry Coffee and Walnut Cake is made with light muscovado sugar, chopped walnuts, and strong coffee, ready in just 50 minutes. Spreading the rich coffee buttercream over the golden sponge layers creates a satisfying finish that looks straight from a bakery. I find the all-in-one method makes this classic bake incredibly reliable and foolproof.

Why This Classic Works

I used to strictly cream butter and sugar separately, but Mary’s famous all-in-one method completely changed my approach. Dumping every ingredient into the bowl at once felt wrong initially, yet the resulting sponge is consistently lighter and fluffier than my traditional attempts. It saves time and reduces the margin for error significantly.

Another key lesson was the importance of sugar choice. While caster sugar is standard, using light muscovado adds a subtle caramel depth that pairs perfectly with the coffee. My first attempt with white sugar lacked that signature richness, so sticking to the brown sugar really makes a difference here.

Mary Berry Coffee and Walnut Cake Ingredients

For the Sponge:

• 225g softened butter or baking spread
• 225g light muscovado sugar
• 225g self-raising flour
• 1 tsp baking powder
• 4 large eggs
• 2 tbsp instant coffee granules (dissolved in 1 tbsp boiling water)
• 50g walnuts, chopped finely

For the Coffee Buttercream:

• 125g softened butter
• 250g icing sugar, sifted
• 2 tsp instant coffee granules (dissolved in 1 tsp boiling water)
• 1 tbsp milk (optional, to loosen)
• Walnut halves, for decoration

How To Make Mary Berry Coffee and Walnut Cake

1. Prep Tins: Preheat your oven to 180°C (160°C Fan/Gas 4). Grease two 20cm (8in) sandwich tins and line the bases with non-stick baking parchment.
2. Mix Batter: Place the butter, sugar, flour, baking powder, eggs, and dissolved coffee into a large mixing bowl. Beat thoroughly with an electric mixer for about 2 minutes until the batter is smooth and well-blended.
3. Add Walnuts: Gently fold the finely chopped walnuts into the mixture with a spatula until evenly distributed.
4. Bake Sponges: Divide the mixture evenly between the two prepared tins and level the tops. Bake for 25–30 minutes until the cakes are well-risen and spring back when lightly pressed.
5. Cool: Leave the cakes to cool in the tins for a few minutes, then run a knife around the edge and turn them out onto a wire rack to cool completely.
6. Make Icing: Beat the softened butter until creamy, then gradually whisk in the icing sugar. Add the dissolved coffee and beat until smooth and spreadable, adding a splash of milk if needed.
7. Assemble: Spread half the buttercream over one sponge, top with the second sponge, and swirl the remaining icing on top. Decorate with walnut halves.

Recipe Tips

• Tip Chop Nuts Finely: Ensure you chop the walnuts into very small pieces before folding them into the batter. Large chunks are heavy and tend to sink to the bottom of the cake during baking.
• Tip Coffee Strength: Use a high-quality instant coffee for the best flavour profile. Dissolve it in the minimum amount of water necessary so you don’t make the batter too runny.
• Tip Temperature Matters: If you are using real butter instead of baking spread, make sure it is very soft before mixing. Cold butter will result in lumps and an uneven rise in an all-in-one method.

What To Serve With Coffee and Walnut Cake

This cake is the quintessential partner for a strong cup of tea or a fresh cafetière of coffee. The bitterness of the drink cuts through the sweet buttercream beautifully. For a dessert option, a splash of single cream on the side adds a lovely fresh contrast.

How To Store

Store the cake in an airtight container at room temperature for up to 3 to 4 days. If the weather is particularly hot, you can keep it in the fridge, but bring it back to room temperature before eating to enjoy the best texture.

FAQs

• Can I freeze this cake? Yes, the sponges freeze very well without icing. Wrap them tightly in cling film and foil, and freeze for up to 3 months. Thaw completely before icing.
• 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. Try to keep the oven door closed until at least 20 minutes have passed.
• Can I use plain flour? If you don’t have self-raising flour, use plain flour and add 3 level teaspoons of baking powder to get the correct rise.

Nutrition

• Calories: 580 kcal
• Total Fat: 35g
• Saturated Fat: 16g
• Cholesterol: 145mg
• Sodium: 280mg
• Total Carbohydrate: 60g
• Protein: 7g