Sorghum is a type of grass and comes in flour and syrup form. For this recipe, I would get the syrup form which you can find in a health food store. Molasses are made of sugar cane and are completely different from sorghum. Don't get those mixed up.
How to Make It
Cook first 9 ingredients and, if desired, marmalade in a medium saucepan over low heat, stirring occasionally, 10 minutes or until thoroughly heated.