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Big Boy Birthday Cake

Big Boy Birthday Cake



  • 250g Plain Flour
  • 80g Cocoa Powder
  • 2 ½ teaspoons baking powder
  • 1 teaspoon bicarbonate of soda
  • 325g Brown Sugar
  • 250ml Buttermilk
  • 185ml Sunflower oil
  • 125ml Strong coffee or
  • ( 4 teaspoons instant coffee dissolved in water not boiling, can even be warm)
  • 2 Teaspoons vanilla extract
  • 2 large eggs


  • Heat oven to 180C
  • Line the base of 2 x 8” tins or 3 x 6” tins
  • Combine flour, cocoa powder, baking powder, bicarb, sugar in a large bowl.
  • Whisk oil, buttermilk, coffee, vanilla & eggs together in a jug, then pour the wet ingredients into the dry mix and blend well, getting all the lumps and bumps out .. Boom! batter done
  • Pour the mixture into the tins and bake for 30/35 mins until a skewer inserted into the center comes out clean.
  • Leave to cool in the tin until completely cold, this is a lovely soft sponge so handle with care.


  • Beat the living daylights out of 250g butter, 500g icing sugar & 50g Cocoa along with 2-3 tablespoons of milk. Whip for at least ten minutes for silky smooth buttercream. It’s much easier to fill and pipe using a buttercream that is light and airy, firm buttercream will tear your cake crumb and your sanity!
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