— By Katie Lee — At Mamoun’s Falafel, it’s one big, happy (growing) family — with over 40 new franchises soon to join the fold. As one of the oldest falafel restaurants in New York City, Mamoun’s Falafel has long held the title of being the most authentic and flavorful falafel in the city. The first location opened in Greenwich Village in 1971 and has been family owned and operated for over 45 years. Founder Mamoun Chater, who had emigrated from Damascus, Syria, had little time for the …