Both veggies are nutritional powerhouses. Broccoli and cauliflower provide similar nutritional benefits, because both are members of the cruciferous family of vegetables.u003cbr/u003eWhile broccoli and cauliflower contain many of the same nutrients, broccoli has more of them. Overall, that makes it a slightly healthier choice.u003cbr/u003eHowever, cauliflower is also a very healthy vegetable. You can't go wrong with either broccoli or cauliflower.