Sometime in the 1950s, Emiko Davies' nonno-in-law began the tradition of ringing in the new year with tortellini al sugo. He served it along with spumante and a round of tombola, and sparked a trend; up until the 1970s, you could find tortellini at midnight on New Year's Eve in the bars around the Tuscan town of Fucecchio. This is just one of the heirloom dishes in this collection, for which Emiko Davies has gathered some of her favorite family...