15-Minute Mediterranean Couscous with Tuna and Pepperoncini

Name: 15-Minute Mediterranean Couscous with Tuna and Pepperoncini
Cuisine: Mediterranean
Ingredients: Couscous; 1 cup chicken broth or water; 1¼ cups couscous; ¾ teaspoon kosher salt; Accompaniments; Two 5-ounce cans oil packed tuna; 1 pint cherry tomatoes, halved; ½ cup sliced pepperoncini; ⅓ cup chopped fresh parsley; ¼ cup capers; Extra-virgin olive oil, for serving; Kosher salt and freshly ground black pepper; 1 lemon, quartered