Mozzarella “al Minuto,” St. Helena: It isn’t exactly a place, but this plate of cheesy goodness is one of the most locally-beloved eats in Napa Valley and the trick is knowing where to find it. This hand-pulled, warm, gooey, and made-to-order mozzarella drizzled in olive oil and served on a garlic crostini was a signature dish at the now-defunct Tra Vigne restaurant, but luckily the tradition lives on at two other locations: sister restaurant Pizzeria Tra Vigne and Brasswood Bar Kitchen (it’s