When Julia Susannah Helm was just a little girl in Pennsylvania, she discovered a "receipt" for hash in a kitchen drawer, written out in the hand of her father's former housekeeper. Her brother Jonathan made her a small wooden box to keep it in. That was the beginning of her recipe collection, which became one of her most cherished possessions.It was never more important to her than when she took it to Shenandoah County, Virginia, to help her cousin...