Im making choc fudge cake and ive noticed ive got dark muscovado sugar instead of light does this matter?
Are you channeling your best self with this comment? (If you're not sure, check out our Code of Conduct.)
Dark muscovado is pretty molassas-y in flavor, it might be too bitter with a dark chocolate cake. I think I'd go with white sugar and add a tablespoon or two of molassas to the batter.