Watermelon and feta with sumac and capers

I wrote a recipe for a feta and watermelon salad in my first cookbook, The Sugar Club Cookbook, way back in 1996. So, while it’s not an original – and I’m pretty sure the salad originated in Israel – here’s a little twist on my first attempt. Sumac, an astringent red powder made from ground dried berries from the Middle East, works a treat with the sweetness of the watermelon. Mint adds a refreshing