Cauliflower is a member of the cruciferous family of vegetables, often overshadowed by its green cousin broccoli. This is one vegetable that deserves a regular rotation in your diet, however, as it contains an impressive array of nutrients, including vitamins, minerals, antioxidants, and other phytochemicals.Adding to cauliflower's appeal is its extreme versatility. You can eat it raw, add it to salads, or use it in your cooking.his is one vegetable that deserves a regular rotation in your diet, however, as it contains an impressive array of nutrients, including vitamins, minerals, antioxidants, and other phytochemicals. Adding to cauliflower's appeal is its extreme versatility.