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Home » Baking & Desserts » Cakes » Coffee and Walnut Cake

28 September 2017

Coffee and Walnut Cake

25.6K shares

My recipe for a classic Coffee & Walnut Cake. Three layers of delicious coffee sponge packed full of chopped walnuts and topped with smooth coffee buttercream.

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My recipe for a classic Coffee & Walnut Cake. Three layers of delicious coffee sponge packed full of chopped walnuts and topped with smooth coffee buttercream.This Friday is the Macmillan World’s Biggest Coffee Morning and I thought I’d share with you what I’m going to be making to take along to the one at my boys’ school. It’s my version of a classic coffee & walnut cake.

As you may have realised, I’m a bit of a fan of cake. However, there’s one cake I love above all others and that is coffee & walnut. If I spot it in a café then I really struggle to resist buying a slice to have with a pot of tea (as a side note shouldn’t all tea in cafés come in a pot? It’s just not the same having just one cup). For me a good coffee and walnut cake should have a really good coffee flavour and lots of walnuts running all the way through and that’s what I’ve made here.

I’ve bowed to Pinterest peer pressure and made my cake with three layers (you can never find simple 2-layer cakes on there). I think this particular cake works well with three layers as it means you can have extra buttercream, but if you’ve only got two tins I’ve added some extra notes below the recipe to adapt it. I also got a bit carried away with my piping bag to make it look pretty. If you’re not a fan of piping then just slather it on with a knife, it’ll still taste amazing 🙂

My recipe for a classic Coffee & Walnut Cake. Three layers of delicious coffee sponge packed full of chopped walnuts and topped with smooth coffee buttercream.

Donate to Macmillan

If you can’t make it along to a coffee morning this week then why not grab a hot drink and a slice of cake at home and donate online here instead! 

My recipe for a classic Coffee & Walnut Cake. Three layers of delicious coffee sponge packed full of chopped walnuts and topped with smooth coffee buttercream.

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Coffee-Walnut-Cake-3

Coffee & Walnut Cake

My recipe for a classic Coffee & Walnut Cake. Three layers of delicious coffee sponge packed full of chopped walnuts and topped with smooth coffee buttercream.
4.53 from 34 votes
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Active Time: 25 minutes minutes
Cook Time: 20 minutes minutes
Total Time: 45 minutes minutes
Servings: 8 people
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INGREDIENTS

Metric - US Cups/Ounces

For the coffee & walnut sponge

  • 10 g 2 tbsp coffee powder - (or instant coffee granules ground in a spice grinder or pestle and mortar)
  • 150 g self-raising flour
  • 165 g soft light brown sugar
  • 165 g soft margarine - or butter
  • 3 medium eggs
  • 1½ tsp milk
  • ⅛ tsp salt
  • 75 g chopped walnuts

For the coffee buttercream

  • 250 g softened butter
  • 500 g icing sugar
  • ¼ tsp vanilla extract
  • 3 tbsp instant coffee granules
  • 1½ tbsp boiling water

To decorate

  • 25 g chopped walnuts
  • A handful of walnut halves

INSTRUCTIONS

Make the coffee & walnut sponge

  • Pre-heat your oven to 160ºC/140ºC fan.
  • Line 3x18cm round sandwich tins (I use these liners).
  • Sift the self-raising flour (150g), coffee powder (10g) into a large bowl and salt (⅛ tsp). Add the remaining ingredients (3 medium eggs, 165g soft margarine, 165g soft light brown sugar and 1½ tsp milk) and mix until fully combined (either by hand or using an electric mixer on a low speed). Fold in the chopped walnuts (75g).
  • Divide the mixture equally between the three tins.
  • Bake for 20-25 minutes until a skewer inserted into the middle comes out clean. Leave the cakes to cool in their tins for about 10 minutes, then remove them from their tins and move them to a wire rack to cool fully before decorating.

Make the coffee buttercream

  • Mix the instant coffee granules (3 tbsp) with the boiling water (1½ tbsp) and then set aside to cool.
  • Cut the butter (250g) into cubes and then beat on a low-medium speed until soft. Gradually add the icing sugar (you add it gradually to stop it flying everywhere) and beat until fully combined.
  • Add the vanilla extract (¼tsp) and add the coffee a teaspoon at a time, beating in each addition before adding more.
  • Check the consistency of your buttercream. It should be soft and perfect for piping at this point. If it’s still a little stiff then beat in a little milk.

Decorate

  • Place the bottom layer of your cake onto your chosen dish. Cover with ⅓ of your buttercream. Sprinkle over half of the chopped walnuts.
  • Place another layer on top and repeat the last step.
  • Place the final layer on top. Decorate with the remaining buttercream and then finish with the walnut halves.

NOTES

  • I've decorated my cakes by piping buttercream roses and then filling any gaps around the edge with a little extra squirt of buttercream. I used a JEM 1B nozzle.
  • If you'd prefer to make this as a 2-layer cake then the only change you'll need is to increase the cooking time to 30-35 minutes. You'll also need ⅔ of the buttercream (or you could use the extra buttercream to make a thin coating around the outside of the cake.
  • If you'd like to bake the cake in one deep tin and then slice it up into layers, you'll need to increase the cooking time to 45-50 minutes.
  • The undecorated cakes are suitable for freezing. Simply wrap them tightly in clingfilm and pop them into the freezer. Defrost them thoroughly before decorating.
Have you tried this recipe? Please leave a comment and rating at the bottom of the page to let others know what you thought.
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NUTRITIONAL INFORMATION

Calories: 899kcal | Carbohydrates: 101g | Protein: 7g | Fat: 54g | Saturated Fat: 21g | Cholesterol: 128mg | Sodium: 486mg | Potassium: 264mg | Fiber: 1g | Sugar: 81g | Vitamin A: 1610IU | Vitamin C: 0.1mg | Calcium: 63mg | Iron: 1.2mg

Any nutritional information provided is the estimated nutritional information per serving. Please refer to my guide to Charlotte’s Lively Kitchen nutritional information if you would like to learn more about how this is calculated.


Course: Dessert
Cuisine: British

 

My recipe for a classic Coffee & Walnut Cake. Three layers of delicious coffee sponge packed full of chopped walnuts and topped with smooth coffee buttercream.

Free From/Suitable For…

  • Suitable for Vegetarians
  • Soy-Free

The ingredients for this recipe are easily available free from all these allergens. However, please ensure you double-check allergen information for all ingredients.

My recipe for a classic Coffee & Walnut Cake. Three layers of delicious coffee sponge packed full of chopped walnuts and topped with smooth coffee buttercream.

25.6K shares

Reader Interactions

Comments

  1. Marama says

    May 16, 2020 at 8:50 am

    Hi,

    I have square 19 cm tin, am I ok to use this but make it as 2 layer with 25 mins cooking? Thank you so much.

    Reply
    • Charlotte Oates says

      May 18, 2020 at 10:45 am

      Your cake will be very short if you use this amount of mixture in a 19cm square tin. I’d recommend increasing the ingredients by 50% and baking two layers for 30-35 minutes.

  2. karen says

    May 07, 2020 at 3:50 pm

    5 stars
    found your site and will be coming back for more, best cake ever, I did go overboard a tad with the coffee as my partner likes to taste it

    Reply
  3. 1234 says

    April 25, 2020 at 10:26 am

    amazing!!!!!! i am planning to making this for my mums 50th birthday, i know she will love it!

    Reply
  4. Ann harvey says

    April 17, 2020 at 5:33 pm

    5 stars
    Amazing…..I doubled the recipe and did one cake,two deep layers and 10 cupcakes…..very moist and so tasty, really coffee flavoured, as some aren’t. It was a great success with the family and I can highly recommend.

    Reply
  5. Bea says

    April 04, 2020 at 7:55 pm

    Can I use all-purpose flour instead of self-rising flour?

    Reply
    • Charlotte Oates says

      April 05, 2020 at 5:04 pm

      You can. Substitute the self-raising flour for 150g of all-purpose flour and 1 3/4 tsp of baking powder.

  6. Mike Sanford says

    March 29, 2020 at 6:02 pm

    5 stars
    The recipe worked first time and the cake was enjoyed by all. This is the first coffee and walnut cake I have made as I do not like walnuts. However my wife loved it, so that’s good enough for me. I did find there was too much butter cream so next time I will make less.

    Reply
    • Charlotte Oates says

      March 30, 2020 at 2:42 pm

      I so glad they enjoyed it. If you like coffee and not walnuts, then you can leave them out next time and have plain coffee cake instead.

  7. Catie says

    March 24, 2020 at 6:49 pm

    5 stars
    Delicious coffee and walnut cake! So easy to make and tasted great!

    Reply
  8. Michelle says

    February 14, 2020 at 2:13 pm

    2 stars
    Mixture like dough

    Reply
    • Charlotte Oates says

      February 15, 2020 at 11:32 am

      I’m sorry to hear that. If you go to my coffee cupcakes posts there’s a video of that recipe (which is very similar to this one). How was the consistency of the cake mixture compared to the one shown there? It’s not supposed to be a runny mixture, but should be too stiff.

      Also, how did it taste? I hope you still enjoyed it even if the mixture was a bit stiff.

  9. Sarah Hill says

    January 19, 2020 at 5:02 pm

    5 stars
    I made this cake for my partner’s birthday. I had 3 x 8″ (20cm) tins so upped the recipe by 1/3, as suggested. It turned out brilliantly! Thank you.

    Reply
  10. Shaq says

    January 06, 2020 at 2:50 pm

    Hiya,

    Recently got into baking. I’ve got 2 x 8 inch sandwich tins and would like to make this as a two layer. Would your instructions work?

    Also realised you’ve not mentioned any rising ingredient, i.e soda or baking powder…

    Reply
    • Charlotte Oates says

      January 07, 2020 at 4:06 pm

      The recipe is for 7″ tins rather than 8″ so you’d need to increase the amount of mixture for an 8″ cake. You need to up it be 1/3 (so using 4 eggs inserted of 3). You can make two thicker layers instead of the three shown by increasing the cooking time to 30-35 minutes.

      The recipe uses self-raising flour so doesn’t need any additional raising agents. This is for UK baking. If you’re in a difference country then you’ll need to use plain/all purpose flour with added baking powder. If you take a look at my coffee cake recipe you should be able to see how much you’ll need (as this recipe was made with plain rather than self-raising flour).

  11. zuza says

    January 05, 2020 at 7:46 pm

    i’ve made this cake the other day and it tast great. you can taste the coffee in it and its not dry. If you are use to standard size cakes better double the guantities. Buttercream is great aldo added less sugar then said. Will defenitlly make it again.

    Reply
  12. Ruby says

    November 04, 2019 at 5:33 pm

    Hi if i was to make this a 20cm 2 layer cake how much would the filling calculations be please

    Reply
    • Charlotte Oates says

      November 06, 2019 at 9:37 am

      You’ll need…

      * 2 tbsp & 2 tsp coffee powder
      * 200g self-raising flour
      * 220g soft light brown sugar
      * 220g margarine
      * 4 medium eggs
      * 2 tsp milk
      * 1/8 tsp salt
      * 100g chopped walnuts

      For the buttercream, if you wish to decorate it in a similar way to what’s shows then you’ll need roughly the same amount for 2 20cm layers as 3 18cm layers.

  13. Vikki Doney says

    September 28, 2019 at 1:59 pm

    Made the cake as one deep layer in a 7” tin but after baking for 60 mins it was raw in the middle. Not sure why as I have made once before and it was perfect. Can anyone advise please?

    Reply
    • Charlotte Oates says

      October 01, 2019 at 12:08 pm

      I’m not too sure why that would have been. I would usually suggest it’s down to temperatures varying from oven to oven and needed to cook it on a higher temperature, but as you’ve made it successfully before I’d be surprised if that’s what it is. Whilst I recommend using sandwich tins, I would have expected a deeper version to be baked through in around 50 minutes. Are you using a different tin to the one you have previously. Sometimes a different tin can impact the bake.

  14. HAz says

    July 14, 2019 at 8:52 pm

    4 stars
    Lovely, like the look am making tomorrow

    Reply
  15. Siobhan says

    June 27, 2019 at 7:05 pm

    5 stars
    this is my second time making this cake for a cake sale, everyone loved it last time. its so easy to make.

    Reply
  16. Donna says

    May 07, 2019 at 6:58 pm

    This is one of the best cakes I have made. I found the ingredients ample to make a 2 tiered cake and adjusted the icing to suit. The cake was easy to make and had a lovely consistency.

    Reply
  17. Poppy One says

    March 20, 2019 at 12:58 pm

    2 stars
    I followed this recipe very carefully but ended up with 3 soft round flat ‘cookies’. The quantities are not sufficient for a 3 layer cake baked in 18cm tins. You need to double it.

    Wasted a lot of time and ingredients, then had to go and buy a cake.

    Reply
    • Charlotte Oates says

      March 20, 2019 at 3:38 pm

      I’m sorry to hear that it didn’t work out for you. The layers are designed to be thinner than a regular cake (it’s basically enough mixture for a 2-layer cake, split between 3-layers). You could try splitting the mixture into two if you want deeper layers. You’d need to bake the cake for 30-35 minutes to ensure it’s cooked through.

    • Gabriela says

      March 29, 2019 at 7:16 pm

      I read this and made it into a 2 layer cake. The height of the sponges is hilarious. Probably about 1cm high. This is the shortest cake I ever made. Should have done twice the ingredients in 2 layers… I don’t get it.

  18. Mita says

    February 22, 2019 at 9:07 am

    Hi, could I know if I can just use all purpose flour instead of self-raising? Thanks!

    Reply
    • Charlotte Oates says

      February 23, 2019 at 10:12 am

      You can but you’ll need to use additional baking powder to ensure it rises properly.

      Replace the self-raising flour with 150g all prupose flour and 1 7/8 tsp baking powder (1 tsp + 1/2 tsp + 1/4 tsp + 1/8 tsp)

  19. Emily says

    December 06, 2018 at 1:58 pm

    Thank you very much!

    Reply
  20. Emily says

    December 03, 2018 at 9:46 pm

    Hi just wondering what the recipe would be for three 21cm round tins. Thanks

    Reply
    • Charlotte Oates says

      December 05, 2018 at 11:53 am

      If you want to have three thin layers like those shown then you need to increase the ingredients by 1/3, so…

      13g 2 tbsp + 2 tsp coffee powder – (or instant coffee granules ground in a spice grinder or pestle and mortar)
      200 g self-raising flour
      220 g soft light brown sugar
      220 g soft margarine – or butter
      4 medium eggs
      2 tsp milk
      ⅛ tsp salt
      100 g chopped walnuts

      For the coffee buttercream

      335 g softened butter
      665 g icing sugar
      ¼ tsp vanilla extract
      4 tbsp instant coffee granules
      2 tbsp boiling water

      If you would like three deeper layers (more of the depth of a standard sandwich cake layer) then you need to double the ingredients for the cake and use the ingredients listed above for the buttercream.

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