Halloumi, Prosciutto and Mixed Melon Salad

I recently discovered that Halloumi sales are higher in the United Kingdom than anywhere else in Europe.  We adore this Cypriot non-melting cheese so much that a pop-up in Camden recently started selling Halloumi Fries (which look delicious, by the way). This simple, easy salad combines the classic combination of melon and ham with that…