What Better Way To Celebrate St Patrick’s Day Than With Guinness (Cake)

St Patricks Day Cake

St Patrick’s Day is nearly upon us again; I love how people celebrate all over the world! If you’re celebrating, why not make a delicious Guinness Cake to enjoy. Doesn’t it look like a nice, cold pint? I love the rich, dark sponge and the pale frosting on top to mimic the famous Guinness head!

I can’t tell you how amazingly chocolatey it smells when it comes out of the oven or how wonderful it tastes – the beautifully rich chocolate cake is offset by the slight tang of the light frosting; it’s hard to stop at just the one slice! You can’t actually taste the Guinness, but it does add to the richness.

This recipe was always going to be super-delicious and totally calorie laden. If you consider calories/nutritional value/similar when you are choosing what to eat, this is not the recipe for you; seeing the ingredients laid out weighed and ready to use will scare you silly (especially the butter and sugar content). That said, if you’re prepared to turn a blind eye to just how unhealthily delicious it actually is, you’ll not be disappointed. It is also mixed in a saucepan so it really cuts down on washing up, however I’d recommend weighing out all your ingredients so you can get them in the pan quickly at the appropriate time.

To make your own you’ll need:

  • 250ml Guinness
  • 250g unsalted butter
  • 75g cocoa powder
  • 375g caster sugar
  • 2 large eggs
  • 150ml sour cream
  • 275g self raising flour
  • 100g butter
  • 100g icing sugar
  • 200g cream cheese (full fat is best)

You’ll also need:

  • Large saucepan
  • Whisk
  • Measuring scales
  • 9″ cake tin (loose bottomed or springform is best)
  • Cake tin liners (like these from Lakeland)
  • Jug/large mug to mix your liquid ingredients


  1. Add your Guinness and butter to a large saucepan and mix until the butter has melted
  2. Add the cocoa powder and sugar and whisk lightly again
  3. Whisk the eggs and sour cream in a jug
  4. Add this to the saucepan and whisk in lightly
  5. Add the flour to the saucepan and whisk again
  6. Turn out into a lined cake tin
  7. Bake on Gas Mark 4 for 1-1.5 hours
  8. When it is baked, leave to cook completely
  9. In a bowl, whisk butter and icing sugar together until combined and smooth
  10. Stir in your cream cheese
  11. I then pop it back in the fridge for 30 minutes
  12. Spread evenly on the top of the cake

If you like this cake, you’ll also enjoy my Ultimate Chocolate Birthday Cake.

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