Heirloom Tomato and Mozzarella Salad with Herbs and Chiles

Name: Heirloom Tomato and Mozzarella Salad with Herbs and Chiles
Ingredients: 2¼ pounds heirloom tomatoes, cored and cut into wedges; 1 pint (2 cups) mixed cherry tomatoes, halved; Kosher salt and freshly ground black pepper; 2 basil sprigs, leaves removed and thinly sliced (about 10 leaves); 1 mint sprig, leaves removed and thinly sliced (about 8 leaves); 6 ounces ciliegine (see note), drained; 3 tablespoons extra-virgin olive oil; 1 tablespoon plus 1½ teaspoons red wine vinegar; Coarse sea salt (such as fleur de sel or maldon); 1 small serrano chile, thinly sliced (about 12 slices)