Thanks to biscotti, dunking has become socially acceptable. These long, dry, semihard cookies with curved tops and flat bottoms are especially designed for dunking. Their unique texture and taste are perfect for absorbing coffee, tea, punch, wine, or soup. Biscotti date all the way back to Columbus's time when an Italian baker served them with Tuscan wines. From there the idea spread throughout Italy and nearby countries, and eventually each province...