Jachnun (ˈd͡ʒaχnun) is a traditional Yemenite Jewish dish prepared from rolled dough

Dough

Dough is a paste made out of any cereals or leguminous crops by mixing flour with a small amount of water and/or other liquid. This process is a precursor to making a wide variety of foodstuffs, particularly breads and bread-based items , flatbreads, noodles, pastry, and similar items)...

 which is baked on very low heat for about ten hours. The dough is rolled out thinly, brushed with shortening (traditionally, clarified butter

Clarified butter

Clarified butter is milk fat rendered from butter to separate the milk solids and water from the butterfat. Typically, it is produced by melting butter and allowing the different components to separate by density...

 or samneh), and rolled up, similar to puff pastry

Puff pastry

In baking, a puff pastry is a light, flaky, leavened pastry containing several layers of fat which is in solid state at 20 °C . In raw form, puff pastry is a dough which is spread with solid fat and repeatedly folded and rolled out and used to produce the aforementioned pastries...

. It turns a dark amber color and has a slightly sweet taste. It is traditionally served with a crushed/grated tomato dip, hard boiled eggs and skhug

Skhug

Skhug also spelled zhug, is a hot sauce popular in Middle Eastern cuisine. Originally from Yemen, it's also popular in Israel.Skhug is made from fresh hot peppers seasoned with coriander, garlic and various spices. Skhug adom is made with red peppers and skhug yarok from green peppers...

, a hot sauce. The dough used for jachnun is the same as that used for malawach

Malawach

Malawach or malawah is a fried bread that is a staple of the Jews of Yemen.Malawach resembles a thick pancake, and it consists of thin layers of puff pastry brushed with oil or fat and cooked flat in a frying pan...

.

Jachnun has become popular in Israel

Israel

The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

 and is now consumed by other ethnic groups. Frozen jachnun is sold in supermarkets for those who want to skip the time consuming process of rolling the dough into layers.

Jachnun is served by Jews of Yemenite descent on Shabbat

Shabbat

Shabbat is the seventh day of the Jewish week and a day of rest in Judaism. Shabbat is observed from a few minutes before sunset on Friday evening until a few minutes after when one would expect to be able to see three stars in the sky on Saturday night. The exact times, therefore, differ from...

 mornings, after having been left in a slow oven overnight. According to Jewish law, it is forbidden to light a fire or cook on Shabbat.