Hummus the region for millennia. Though chickpeas were widely eaten in the region, and they were often cooked in stews and other hot dishes, puréed chickpeas eaten cold with tahini do not appear before the Abbasid period in Egypt and the Levant. As an appetizer and dip, hummus is scooped with flatbread, such as pita. It is also served as part of a meze or as an accompaniment to falafel, grilled chicken, fish or eggplant. Garnishes include chopped tomato, cucumber, coriander, parsley, caramelized onions, sautéed mushrooms, whole chickpeas, olive oil, hard-boiled eggs, paprika, sumac, ful, olives, pickles and pine nuts. Outside
Coriander expressed a dislike for coriander, but among the groups where coriander is popular in their cuisine, only 7% of South Asians, 4% of Hispanics, and 3% of Middle Eastern subjects expressed a dislike. Studies have shown that 80% of identical twins shared the same preference for the herb, but fraternal twins agreed only about half the time, strongly suggesting a genetic component to the preference. In a genetic survey of nearly 30,000 people, two genetic variants linked to perception of coriander have been found, the most common of which is a gene involved in sensing smells. The gene, "OR6A2", lies