Beat in the vanilla and the lemon zest, lemon juice ... Using a skewer, poke deep holes all over the top of the cake. Brush the glaze all over the cake in several layers until thickly glazed.
Leave the oven turned on. Brush the cake with the warmed apricot glaze and leave for five minutes while you make the lemon glaze. For the lemon glaze, mix together the lemon juice, zest and icing ...
Spoon the mixture into the prepared cake tin and bake for about 1 hour 15 minutes, or until just set and golden-brown. Meanwhile, to make the lemon glaze, put the lemon juice and sugar into a bowl ...
Let the cake cool completely on a wire rack. To make the glaze: Mix together the icing sugar and lemon juice to get a very thick pourable glaze. If it is too thin, add a little more icing sugar.