Watermelon, Feta, and Mint Salad

Name: Watermelon, Feta, and Mint Salad
Prep time: 5 min
Total time: 5 min
Yield: 6
Ingredients: 3 pounds seedless watermelon (about 1 small or 1/4 large), rind removed, cut into 1-inch chunks (about 2 pounds/1kg chunks after rind is discarded); 1 tablespoon (15ml) juice from 1 lemon, plus 4 (2-inch) strips zest, removed with a sharp vegetable peeler; 1/4 cup (10g) roughly chopped fresh mint leaves; 3 tablespoons (45ml) extra-virgin olive oil, plus more for drizzling; Up to 4 ounces (1 quart) arugula leaves (optional; see note); Kosher salt and freshly ground black pepper; 4 ounces (110g) feta cheese (see note)