With thick, crisp stalks topped with rounded green florets, Broccoli is a cabbage family member. It possesses a grassy, earthy flavor that's slightly bitter. Broccoli whole plant is edible. Broccolini has a milder, sweet, earthy taste. Broccolini can be eaten raw, but Broccolini is best when cooked; it is versatile and can besautéed, steamed, roast. Broccoli rabe and Broccoli arent relate to each other. It has a mellow flavor after it cooks, broccoli rabe has a bitter taste that's also a bit earthy and nutty.