Absolutely! The stem is very tender when it is cooked and you can even eat it raw too. It has a different taste to the flowers that is more like asparagus. Given that broccoli is known as a superfood, as it is packed with fibre, vitamins and minerals, it is best to eat all parts of the vegetable. You can also eat the stem of normal broccoli. Cut it into smaller pieces if you are steaming it or roasting it.