What do Jews eat when they have a festival?

It's impossible to answer "what Jews eat when they have a festival" as a single, definitive answer. The Jewish people celebrate many festivals, each with its own unique traditions and foods.

Here are some examples:

* Passover: The focus is on unleavened bread (matzah), symbolizing the Israelites' hasty escape from Egypt. They eat matzah, matzah ball soup, gefilte fish, and other dishes prepared without leavening agents.

* Hanukkah: The festival of lights celebrates the rededication of the Temple and the miracle of the oil lasting eight days. Fried foods like latkes (potato pancakes) and sufganiyot (jelly donuts) are popular.

* Rosh Hashanah: The Jewish New Year is celebrated with round challah bread, symbolizing the cycle of life, and apples dipped in honey, representing a sweet new year.

* Sukkot: During this festival of the harvest, Jews eat meals in a sukkah, a temporary hut made of branches and leaves. Traditional foods include challah, fruits, and vegetables.

* Shabbat: While not specifically a festival, Shabbat is a weekly celebration of rest and family. A traditional Shabbat meal features challah bread, cholent (a slow-cooked stew), and other delicious dishes.

In short, Jewish food traditions vary greatly depending on the specific festival being celebrated. If you're interested in learning more about what is eaten during a particular festival, I recommend searching online or speaking with someone who celebrates that festival.