100% VEGAN

Earlier this year it was announced that all Guinness - draft, can and bottle - is now vegan, so here's a chocolate Guinness cake to celebrate. Ingredients for the sponge: 300g self raising flour 75g cocoa powder 150g dark brown sugar 150g caster sugar 1 ½ tsp baking powder large pinch of salt 200ml Guinness 200ml soya milk 140ml vegetable oil 1 ½ tsp cider or white wine vinegar 1 tbsp vanilla extract for the frosting: 40g dairy free margarine 40g Trex shortening 2 tbps hot wa