In food processor, add tahini and whip for 2 minutes. Add chickpeas, Morocco spice, lemon juice and water. Process until mostly smooth, about 3-5 minutes. Scrape down bowl.\nWhile the machine is running, add oil in a steady stream through feed tube. Scrape again, and continue to process until hummus is smooth and creamy, about 30-45 seconds.Transfer to serving bowl, cover with plastic wrap and let stand until flavors meld, at least 30 minutes. Drizzle with olive oil and sprinkle with Moroccan spice.