Banana and Peanut Butter Cake

Date - 06/07/2015 / Author - Helen Jones / Category - Recipes

Banana Peanut Butter Cake

I’ve been baking for more years than I want to count and I always find it interesting how recipes evolve over this time, techniques and ingredients adapted or new favourites replace old. In preparation for my first every blog post I found myself going over recipes that I posted on my Facebook page.  I found myself reading the recipe for banana and peanut butter cake and realised that I this is a classic evolved recipe and as I have grow in baking skills recipes have changed.

The original recipe can be found on my facebook page (Click here) but the updated version is below.

I hope you make and enjoy this cake as much as I do and don’t forget to let me know how you get on.

Happy Baking !!


Banana and Peanut butter cake


A deliciously moist cake with sweet & salty peanut butter frosting

Banana Peanut Butter CakeGrease and base line 2 x 8″ sandwich tins and preheat oven to 160 or gas 4


  • 3 medium over ripe bananas
  • 4 large free range eggs
  • 1 teaspoon vanilla extract
  • 300g butter or stork
  • 300g caster sugar
  • 350g self raising flour
  • 1 teaspoon bicarbonate of soda

For the frosting

  • 200g unsalted butter softened
  • 100g Trex at room temperature
  • 600g icing sugar
  • 1 cup smooth peanut butter

To decorate

Dried banana chips and peanut brittle

( I like Mr Toms Peanut bar)


  • Mash the bananas with a fork and then add the eggs and vanilla extract to this and stir weigh all the dry ingredients into a mixer bowl ,
  • Add the banana mix and beat until smooth ( I use a Kenwood stand mixer but you could use a hand mixer) .
  • Pour into the tins ensuring you divide the mixture fairly evenly, smooth the top and create a slight dip in the centre and bake until a skewer comes out clean ( about 40 minutes for sandwich tins approximately 40-45 minutes but will be less if you have a fan oven)
  • Leave to cool in tin for 10 minutes then turn out and allow to cool thoroughly.
  • Meanwhile make the frosting
  • Beat the butter until smooth then add the trex and beat until combined, add to this the icing sugar and again beat until combined, you can then add the smooth peanut butter and again beat until combined. This is now ready to use and should be a good spreading consistency , if too thin add a little more icing sugar, if too thick add a couple of drops of water.
  • To assemble sandwich together the two layers using approximately a 3rd of the frosting, then cover the cake with remaining frosting and decorate with crushed peanut brittle and banana flakes

Don’t want to bake it yourself? This cake is available to order (local collection only) from our shop! Click here and select ‘Banana and peanut butter’ from the drop down menu.

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