In Morocco, kief is a bowl of unpressed hash mixed with tobacco smoked out of a “sebsi” pipe. However, to most marijuana consumers, tobacco plays no part in the product we call kief. So what is kief?

I’ll admit it: Every time a recipe demands that I sift an ingredient like all-purpose flour, I raise my eyebrows. Do I really have to break out an extra tool that’s notoriously tricky to clean? The ...