Chocolate gravy and biscuits

A friend and I were comparing notes about our favorite childhood treats. As I was raving about my grandma’s chocolate pie, my friend said, “So how’s your grandma’s chocolate gravy?” Huh? Chocolate gravy—is that like mole, I asked. Nope, it’s spooned on biscuits, she said. I had to admit that I’d never heard of chocolate gravy; clearly I’d been deprived.Curious why I had been denied the joys of