First things first: What the heck is black seed oil? Black seed oil, sometimes referred to as black caraway or black cumin, is made from the fruit seeds of the flowering nigella sativa plant, which is part of the ranunculales family (think: buttercup flowers). Even though some of the variations on the name sound familiar, black seed oil isn’t related to the regular ground cumin or caraway seeds you might have lurking in the back of your spice cabinet. You can cook with the seeds or oil, but be warned that they will affect the taste of your food. The seeds have a slightly bitter onion flavor , according to Smithsonian magazine, and the oil is spicy/peppery. (There are, however, an alarming number of Google searches related to the question, “Why does my black seed oil taste like motor oil?” so you’ll have to judge for yourself.) You can also buy black seed oil as a soft gel or liquid supplement, and—like the seeds and oil—those can be found at p...