In 1895, Washington Pie was such a popular recipe that it was also a metaphor. Leading up to Independence Day festivities in Grand Rapids, Michigan, an article in The Michigan Tradesman used the dessert to explain a way to keep the town’s raucous paraders in line, suggesting that they make, “a sort of Washington Pie with that part of the procession—a layer, say, of traveling men and then a filling of Salvation Army jam, and so on, with the brass band by way of frosting.” This article describes the most…