By Anne Sarah Rubin Coffee, I must have coffee, and if anyone wants to give me a treat, ah!, just give me some coffee! Although written by J.S. Bach and the librettist Picander in the 1730s, the Coffee Cantata’s homage to the world’s favorite stimulant certainly rang true in the Civil War South. Recipes for coffee substitutes pepper the pages of Confederate newspapers and reminiscences. Elite white women wrote down their personal formulas and debated the virtues of one concoction over ano...