250g softened butter, plus extra for greasing 280g self-raising flour 250g golden caster sugar ½ tsp baking powder 4 eggs 150ml pot natural yogurt 1 tsp vanilla paste or extract 1 tbsp cocoa powder, plus extra to dust 100ml strong coffee (we made it with 2 tbsp coffee granules) 140g icing sugar, sifted 350g mascarpone or soft cheese few chocolate-covered coffee beans Want to see what this recipe costs at different supermarkets?