
Nigella’s GBBO Coffee and Walnut Cake
by J_C • 2026
Why some badges are missing
- Not vegan: Unsalted butter → try dairy-free butter
- Not gluten-free: Self-raising flour → try gluten-free self-raising flour
- Not dairy-free: Unsalted butter → try dairy-free butter
- Not egg-free: Large eggs → try ground flaxseed and water (1 tbsp ground flaxseed + 3 tbsp water per egg, rested 5 min)
- Not nut-free: Walnuts → try toasted sunflower seeds (or pumpkin seeds for crunch)
- Not low-FODMAP: Self-raising flour → try gluten-free self-raising flour
- Not low-histamine: Walnuts
- Not low-GI / diabetic-friendly: Caster sugar → try granulated sweetener (such as erythritol)
- Not kidney-friendly: Self-raising flour
Based on listed ingredients — always check labels for allergies.
About this recipe
A classic British layered sponge cake flavoured with coffee and studded with walnuts, finished with a buttercream icing. Moist and nutty with a gentle coffee flavour, it's a traditional afternoon tea centrepiece…
Prep
—
Cook
25m
Rest
5m
Serves
Rating
—
Ingredients
Kitchen HelpShopping list
225 g Unsalted butter — softened at room temperature
225 g Caster sugar
4 Large eggs — beaten
225 g Self-raising flour
1 tsp Baking powder
2 tbsp Instant espresso powder — dissolved in 1 tbsp of boiling water and cooled slightly
75 g Walnuts — finely chopped
175 g Unsalted butter — softened
350 g Icing sugar
1.5 tbsp Instant espresso powder — dissolved in 1 tbsp of boiling water and cooled slightly
8 to 10 halves Whole walnuts — for topping
Tools
- · mixing bowl
- · spatula
- · cake tins
- · wire rack
Instructions
Step by step
- 1
Preheat your oven to 180°C / 160°C Fan.
- 2
Grease and line two 8-inch (20cm) round sandwich cake tins with baking paper.
- 3
In a large mixing bowl, beat the softened 225g butter and 225g caster sugar together until pale, light, and fluffy.
- 4
Gradually beat in the 4 beaten eggs, adding a spoonful of the flour if the mixture starts to curdle.
- 5
Sift in the self-raising flour and baking powder, then gently fold them into the batter using a spatula.
- 6
Stir in the cooled coffee liquid and the chopped walnuts until everything is evenly combined.
- 7
Divide the batter evenly between your two prepared cake tins and smooth the tops.
- 8
Bake in the preheated oven for 20 to , or until golden brown and a skewer inserted into the center comes out clean.
- 9
Remove from the oven, let them rest in the tins for , then turn them out onto a wire rack to cool completely.
- 10
While the cakes are cooling, beat the 175g softened butter in a large bowl until soft and creamy.
- 11
Gradually sift in the icing sugar, beating continuously until smooth.
- 12
Add the cooled coffee liquid and beat again until the buttercream is light, fluffy, and spreadable.
- 13
Place one of the cooled sponges on your serving plate or cake stand.
- 14
Spread about a third of the coffee buttercream evenly over the top.
- 15
Place the second sponge on top and press down gently.
- 16
Spread the remaining buttercream over the top and sides of the cake.
- 17
Decorate the top by arranging the whole walnut halves around the edge or in a neat pattern in the center.
Per serving
serves 4AI estimate only — not medical advice. Figures are approximations based on standard ingredient data and may vary by brand, portion size and preparation. Always double-check if cooking for allergies, diabetes, or strict dietary needs.
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Edit on 2026-09-22
Edited 9/22/2026, 7:40:09 PM





