This is the sweetest little restaurant in all of San Francisco, with just four wooden tables inside, a scattering of sidewalk seats, and blankets for bundling up in the fog while you wait beneath a tree strung with white lights. Pizzetta 211 has left people swooning since 1999—long before artisanal pizza was the trend that it is today. Pie to try: The Margherita—tomato, mozzarella, and basil; adding pepperoni might bring you to tears. Insider tip: Go for lunch. It’s less busy.