Sorghum syrup is made from the sweet juice of the sorghum plant, a variety of cereal grass. It's popular in the South as a sweetener for baked goods. You can find it at natural food stores or specialty online retailers. For this recipe you can substitute a very mild molasses or 2 tablespoons blackstrap molasses mixed with 10 tablespoons light corn syrup. To ensure the best results, this recipe has been altered and differs from what appears in the episode.