Use a tart variety of lemon to give this cake a good citrus flavour. Elderflower cordial has a distinctive flavour which I really enjoy, but you could substitute with 1 teaspoon vanilla extract.
5 Stir the lemon zest, juice and extra sugar in a small saucepan over low-medium heat until the sugar dissolves and the mixture boils. Boil for one minute or until thickened. Cool. 6 Just before ...
To make the lemonade, mix the lemon and lime juice, raspberry syrup and caster sugar in a jug. Stir to dissolve the sugar. Add 575ml/1 pint water and plenty of ice.