• 400g caster sugar
  • 375g plain flour
  • 2 tsp bicarbonate of soda
  • 1/2 tsp salt
  • 45g unsweetened cocoa powder
  • 475g water
  • 250ml vegetable/olive/rapeseed/sunflower
  • 2 tbsp vinegar
  • 1 tsp vanilla extract


  • STEP 1
    Preheat the oven to 180 C / Gas 4, then lightly grease a 20x30cm tin (alternatively use two 23cm round cake tins - just adjust baking time as necessary).
  • STEP 2
    In a large bowl, mix sugar, flour, bicarb, salt and cocoa powder.
  • STEP 3
    Add the water, oil, vinegar and vanilla extract, then beat the mixture for approximately 2 mins until smooth texture is achieved.
  • STEP 4
    Pour the mixture into the prepared tin and bake at 180 C / Gas 4 for 40 mins.

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