Strawberry and Elderflower Cake

As I write, the hedgerows are filled with creamy, lacy elderflower heads, crying out to be turned into a fragrant cordial. Elderflowers have an extraordinary affinity with strawberries, and make a perfect summer birthday cake. Assemble only a couple of hours before the event (and chill, if you can) as the cake won’t keep, especially in the heat. A summer celebration on a plate!