Chickpea Omelet with Chicken

Moroccan families serve this hearty omelet to break the Yom Kippur fast. Mertzel resembles a Spanish potato tortilla, but is made with chickpeas instead of potatoes. It is part of an old Sephardic omelet tradition that includes the Algerian meguina, made with vegetables, chicken, and eggs; the marcoude of Tunisia; and the almodrotes, fritadas, and quajados of the Greek and Turkish Jews. This version is a combination of recipes from La table juive an