Vegetarian recipe ideas
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Heat the oven to 180C/fan 160C/gas 4.
To make the cake, put the butter, sugars and 250ml water in a pan, and heat gently until the butter has melted.
Take off the heat and stir in the flour, coffee, baking powder, eggs and soured cream.
Mix to a smooth batter.
Pour into a lined 20 x 30cm cake tin (leave some baking paper overhanging to help lift the cake out, once done) and bake for 25-30 minutes, until a skewer comes out cleanly.
Cool, then lift out.
To make the icing, gradually beat the icing sugar into the butter, along with the coffee.
Spread all over the cake then dust with cocoa powder.