October 15, 2008 - 15:55 BST hellomagazine.com The famous patissiere whips up a wonder Ingredients (Serves 10-12) For the sponge 175g unsalted butter, softened 175g caster sugar 250g plain flour, sifted 1 teaspoon baking powder sifted 25g cocoa powder sifted 2 tablespoons mix
