Food writer and researcher Swetha Sivakumar is demystifying one ingredient every week at HT Wknd. This week: Chocolate. Can you tell the difference between a chocolate bar and a candy bar that is masquerading as chocolate? There are a number of factors that could confuse you. There’s a lot of sugar involved in a candy bar, but it may be wrapped in chocolate. The sugar may not look like sugar either; it could take the form of caramel, marshmallow, nougat. Watch the video to find out exactly what you’re opting for when you pick your favourite bar.