Cook, stirring occasionally and ... Pipe a 1/2-inch-tall border of icing around edge of first cake layer. Spoon half of chocolate mousse (about 2 cups) onto center of cake, and spread evenly ...
Pour the mixture into a lightly greased 22cm (8½ in) round cake tin lined with baking paper. Bake for 1¼ hours or until cooked when tested with a skewer. Cool in the tin for 5 minutes then turn out ...