When chef Josh Feathers was growing up in Tennessee, his grandmother always had a jar of sorghum syrup in the cupboard. But he never gave much thought to it, or its significance to Southern culture.

Add articles to your saved list and come back to them anytime. Already a staple in some parts of the world, sorghum is on the path to superfood status in the West.iStock Quinoa is blah, we've already ...