The resulting filling is a cross between marmalade and lemon curd. A major distinguishing feature is that it is filled with lemon curd. The layers may be filled with frosting, pastry cream, lemon curd, or other cake fillings. Other products include lemon curd and maple syrup. The whole lemon is used to make marmalade, lemon curd and lemon liqueur. Lemon curd or honey may be served at afternoon tea as an alternative to jam.