Hildegard of Bingen was a 12th-century nun, mystic, prophet, and healer. She led an abbey, communed with God, advised royalty, and chastised emperors. She also made cookies. Committed to a hermitage from the age of eight, Hildegard rose to prominence as a result of her divine visions. In a series of books, she relayed messages from God that ranged from the metaphysical to the practical. Along with fiery depictions of the world as a “cosmic egg” enveloped in the flames of God’s love, Hildegard’s books included divinely inspired recipes said…