Once cooled, if desired, stir together confectioners sugar and 1 tablespoon water until smooth and drizzle over as a glaze. If making the layer cake, divide the batter evenly between the prepared ...

Meanwhile, in a medium bowl, whisk the 2 1/4 cups of all-purpose flour with ... a wooden spoon to remove any air bubbles. Set one cake layer on a platter. Spread the mousse filling on top and ...