Absolutely! In fact, roasted cauliflower fits in with many of today's most popular diet plans. It's certainly Keto-friendly, as well as compliant with Whole 30 guidelines!  Cauliflower is rich with fiber, folate and Vitamin C. It's considered an anti-inflammatory food and is also high in antioxidants. It's truly a superfood! Roasting this nutrient-rich veggie actually makes it easier to digest, so feel free to snack to your heart's content.