Falafel in health-food stores. While often used to make veggie burgers, it has become more widely used as a source of protein. In the United States, falafel's versatility has allowed for the reformulating of recipes for meatloaf, sloppy joes and spaghetti and meatballs into vegetarian dishes. Falafel is made from fava beans or chickpeas. The use of chickpeas is predominant in most Middle Eastern countries, such as Israel, Jordan, Lebanon, Palestine and Syria. This version is the most popular in the West. In Egypt, fava beans, chickpeas, or often a combination of the two may be used. When chickpeas are used,
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