Cauliflower adds cancer-fighting compounds, and flax ups the fiber and omega-3 fats in this healthy spin on every kid’s favorite food. The crust sounds more labor-intensive than it really is; just be sure to dry-cook the cauliflower completely, or you’ll end up with a wetter crust that won’t hold together. Golden flaxseed makes a lighter-colored crust, but brown flaxseed also works just fine.