2 tbsp undiluted elderflower cordial
100ml/3½fl oz undiluted elderflower cordial
1 large lemon, zest only
3 tbsp lemon juice
100²µ/3½´Ç³ú rice flour (or plain flour if you don’t need this to be gluten-free)
1½ tsp baking powder (gluten-free if necessary)
150²µ/5½´Ç³ú caster sugar
75²µ/2¾´Ç³ú ground almonds
pinch of fine sea salt
175g/6oz soft unsalted butter, plus extra for greasing
double cream, to serve
3 large free-range eggs, at room temperature
50g/1¾oz full-fat Greek yoghurt