Transfer into a large, heatproof bowl to cool completely. Once cool, mix in the flour, icing sugar, ground almonds, lemon zest and a pinch of salt. Whisk the egg whites in a separate bowl using an ...
Mix in the flour and then add the milk to make a smooth batter. Stir in the lemon juice and zest. In a separate bowl whisk the egg whites to stiff peaks. Fold into the batter in 3 increments ...