Coffee & walnut cake

Coffee & walnut cake

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(17 ratings)

Prep: 45 mins Cook: 30 mins Plus cooling


Cuts into 10 slices
The classic combo is made extra sumptuous with mascarpone frosting - a traditional sponge for cake sales and parties

Nutrition and extra info

  • Freeze unfilled sponges

Nutrition: per slice

  • kcal620
  • fat41g
  • saturates22g
  • carbs55g
  • sugars36g
  • fibre2g
  • protein7g
  • salt0.8g
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  • 250g pack softened butter, plus extra for the tins



    Butter is made when lactic-acid producing bacteria are added to cream and churned to make an…

  • 100ml strong black coffee (made with 2 tbsp coffee granules), cooled
  • 280g self-raising flour
  • 250g golden caster sugar
  • ½ tsp baking powder
    Baking powder

    Baking powder

    bay-king pow-dah

    Baking powder is a raising agent that is commonly used in cake-making. It is made from an alkali…

  • 4 egg



    The ultimate convenience food, eggs are powerhouses of nutrition, packed with protein and a…

  • 1 tsp vanilla extract
  • 85g walnut, 2 tbsp roughly chopped, the rest finely chopped



    Walnuts are one of the most popular and versatile of all nuts. When picked young, they're…

For the filling

  • 100g icing sugar, sifted, plus a little extra for dusting
  • 150ml double cream
  • 100g mascarpone, at room temperature


  1. Heat oven to 180C/160C fan/gas 4. Butter 2 x 20cm round cake tins and line with baking parchment. Set aside 1 tbsp of the coffee for the filling.

  2. Beat the butter, flour, sugar, baking powder, eggs, vanilla and half the remaining coffee in a large bowl with an electric whisk until lump-free. Fold in the finely chopped walnuts, then divide between the tins and roughly spread. Scatter the roughly chopped walnuts over one of the cakes. Bake the cakes for 25-30 mins until golden and risen, and a skewer poked in comes out clean. Drizzle the plain cake with the remaining coffee. Cool the cakes in the tins.

  3. Meanwhile, make the filling: beat together the icing sugar, cream and mascarpone, then fold in the reserved 2 tbsp coffee. Spread over the plain cake, then cover with the walnut-topped cake and dust with a little icing sugar.

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Comments (34)

Clothears's picture

Tried this recipe for a 'bake off' at work for charity, it's brilliant!
My own little twist was putting in a bit of Irish Cream syrup in the frosting, my daughter bought me a selection of syrups for coffee. Very handy!

vintagemunchkin's picture

The cake is lovely, very nice texture, did find the filling problematic though.
I whipped the cream, then whipped in the mascarpone, then added just 1 tbsp of coffee with the icing sugar. I then put it in the fridge for 20 mins. Despite all of this, it was very runny and almost immediately spelled out of the cake. Flavour great, consistency poor!

Clothears's picture

I saw your comment before I made the cake, so added a bit of gelatine.
It was still a bit 'frothy' and light, but I realised that I should have whipped all of it at once, not the cream separately.

llighton's picture

Don't have an electric mixer so used creaming method and put all the coffee except the 2 tbsp for the filling in the cake mix - didn't want to risk soggy cake from pouring coffee in it afterwards. Left cooked cakes in tins a couple of minutes then removed from tin to cool. Whipped cream to soft peaks then whipped in mascarpone and folded in coffee and icing sugar. Got loads of compliments but next time I'd use more walnuts in the cake and chop them less finely.

ThePeets's picture

Love this recipe, have made it twice now and it has not let me down. Really easy if you stick to the recipe, highly recommend.

Marcelona's picture

Perfect recipe! Absolutely delicious, so creamy and lovely. Would definitely recommend :)

Sally35's picture

Due to a glut of walnuts from my own tree, made this cake just now. It looks really lovely and liked putting chopped walnuts on top of the cake.....the bottom layer with coffee soaked in does look quite moist, just hoping it is not too soggy. Used buttercream & coffee in for filling as no mascarpone, but still looks good. Prefer to add a dollop of cream to this when serving anyway, as if not cake has to be kept in fridge after day.

kuskus's picture

Lovely cake, sponge came out nice and light infused with the coffee. Very easy to make and found the ingredient measurements to be precise. Next time though will probably use less cream. I replaced the coffee powder with a nespresso coffee pod to make a stronger flavour. A great crowd pleaser!

poffigirl's picture

Lovely Cake, made it for a Comic Relief bake off at work and it came third, so not bad.
I found that it was really easy and quick to make. I had no problems with the filling which was just the right consistency and tasted wonderful. Next time I think I'd use filter coffee rather than instant in the sponge for a slighter richer flavour. Overall, a success!

janelowe's picture

The sponge for this was lovely but I am not sure where I went wrong on the icing. It just would not firm up and was way too sloppy. It tasted lovely but slid off the cake!

blondie50's picture

A lovely cake, the only thing I did differently was to leave out the cream in the filling. I just used mascarpone, icing sugar & the coffee , & it worked really well. I will definitely be making it again.

mikey2012's picture

Made this cake and it was ok but changed it the next time... I put the walnuts in both sponges (keeping 5 for decoration) along with 2 tblsp of the coffee mix, I didn't have any mascapone so filled with butter icing and topped with coffee icing made with the last tblsp of coffee. My neighbours have now asked if I can make them one so can't be bad :)

laonie's picture

Lovely cake. The recipe is fundamentally correct but badly written. For anyone confused about the coffee, just divide it roughly into three: 1/3 for the batter, 1/3 to sprinkle over one of the cooked cakes before they are sandwiched together and 1/3 for the filling. I make the mix in a food processor, used 2 Nespresso pods to make up the coffee component and drizzled the top of the assembled cake with a coffee glaze. I live in a hot climate so it had to be made and eaten same day, but that wasn’t a problem!

sascha's picture

The coffee part is easy: you make up 100ml coffee using 2 tablespoons of granules and boiling water. Then, of this mixture 1 tablespoon for the cake mixture, 1 tablespoon for the drizzle, and one for the frosting. It is a huge success every time.

webby1846's picture

This cake is easy to make ,it's just great have had to make it for friends and they have asked for the recipe . I am 68 year old man , and if I can make it any body can. The mascarpone filling is nice, but you can use less icing sugar if you so wish.

vineames's picture

Cake recipe was fine, filling recipe was awful. I've had to go back to the shop to buy more icing sugar & double cream because the instructions are so bleak. I'd advise whisking the double cream to soft peaks, adding the mascarpone and then the icing sugar & coffee flavour. So annoyed that this has wasted my money & time. I think it should be taken down & I'll upload my own version LOL

vividear's picture

As a competent cook...I absolutely loved this coffee/walnut creation. Indeed it was so simple...I just divided the mixture into two tins without messing about with the walnuts. I do disagree with some of the is not snobbery to use Italian Illy or Lavazza Expresso just makes for a wonderful much fuller taste. The filling is superb and best to leave it mixed and ready in fridge until just before serving.

Mike_Fender's picture

This recipe makes no sense. Is it really that difficult? Is it one tbsp or 2? Did no one proof read this? Its as if its just been made up on the spot, quickly written down, and that's it. When you write a recipe like this and put it on the internet, do you realize how your laziness just messes people up? They spend their money on ingredients and end up with something that tastes slightly odd because they had to use guess work because of your incompetence.

Oh and to the person who doesn't like instant coffee and has to have their "lavaza crema gusto", stop being so blood pretentious, it's a cake for God's sake.

laonie's picture

I was sad to see your intolerant comment on a site where most people set out to be constructive and helpful. Of course it’s just a cake, but if a recipe calls for coffee (vanilla/saffron/whatever) lots of foodies, myself included, automatically reach for the ‘real stuff’. It’s not a matter of snobbery, just personal choice. I used two Nespresso capsules because it was quickest!

sascha's picture

Its a doddle, or were you bad at maths?


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