Which spices are worth buying?

Thanks to Matan, Lewi, and Igor for their questions!

The spice aisle can be super overwhelming even if you're already a pretty good cook, but the depth, complexity, and the sheer number of flavor combinations that spices enable make it well worth the endeavor. We've got 10 recommendations to help you build a versatile spice cabinet quickly and easily. The spice must flow, after all...