2. Cut the leaves and stem off the bottom of the cauliflower head so that it sits flat.
3. Pokes holes in the cauliflower head with a sharp knife so that the spices can penetrate.
4. In a food processor, mix the ginger, tahini, miso paste, broth, prunes or dates, and turmeric.
5. Using your hands, rub the mixture over the cauliflower, making sure you get it everywhere, even on the bottom.
6. Roast the cauliflower in the oven for 45 minutes, or until it is soft and brown.
7. Remove the cauliflower from the oven and top with a sprinkle with tamari, a pinch of the ground black pepper, sesame seeds, and the green onions (if using), before serving.