Museo de Dulces is part museum, part sweet shop, and very Morelian. It explains the traditions behind Michoacan candies and usually has demonstrations of candy-making, alongside a cafe and a large selection of regional sweets.
It is more polished and commercial than the Mercado de Dulces, but the two stops work well together. Come here for context and a guided look at the craft, then go to the market if you want the livelier local version.