Ingredients 6 oz. feta cheese 1/4 cup chopped fresh mint, plus sprigs for garnish 4 large ripe tomatoes, cut into 1/4-inch slices Kosher salt 1/2 lb. cucumber, peeled, seeded, and cut into small dice 1/2 lb. bite-size tomatoes (cherry, pear, or grape) in assorted colors, halved 1/2 cup niçoise or kalamata olives (about 15), pitted…