Chocolate roll cake with chocolate buttercream frosting

Grease and flour baking tray. Add a little cocoa powder and shake all through to coat. Preheat oven to 180°c

Sift flour, baking powder, cocoa powder and coffee. Whisk, add sugar mix well and set aside

In a separate bowl whisk eggs, milk and butter. Mix wet ingredients with dry ingredients. Pour mixture in baking tray and bake for 20mins

While still hot turn cake onto aluminium foil and roll up gently. Let cool while still rolled

Whisk margarine until pale. Add sifted powdered sugar and whisk till well incorporated. Add melted dark chocolate and whisk till well mixed

Unroll the cake and spread the frosting. Roll up again gently, pour melted white chocolate on top and chill for 10mins. Slice and serve with your favorite milkshake