From the Shakers—a 19th-century bunch of dissenting Quakers who made a mean lemon pie—to the Source Family—a 1970s Californian hippie cult with a celebrity-favorite vegetarian restaurant—to the Church of Jesus Christ of Latter-day Saints (LDS)—whose members abstain from alcohol but fully endorse indulging one’s sweet tooth—religious groups have been making their mark on American cuisine since the Pilgrims wandered onto Plymouth Rock. In her book, Holy Food: How Cults, Communes, and Religious Movements Influenced What We Eat — An American History, Christina Ward traces the way different belief systems have…