In actual fact, provided it hasn't been made with animal fat or non-kosher milk (milk from non-kosher animals), all bread is parve - meaning it's neither kosher nor trief(non-kosher). The laws that define whether food is kosher or treif apply only to meat and dishes containing dairy consumed within a certain period of meat being consumed. Challah usually contains eggs, which are also parve, but does not contain any other animal product.
If you are referring to challah, it is made from: flour, eggs, water, oil, yeast, sugar, and salt. If you're referring to matzah, it is made from: flour and water There is also matzah that has egg in it or apple juice.
Kosher food (i.e. food which meets the Jewish dietary laws) may include kosher bread. Challah and bagels are two examples, but any style of bread can be kosher as long as all the ingredients are kosher, and none of the utensils were used for non-kosher food.
Capitalize challah bread
It's challah
Challah is a braided loaf of egg-bread.
It's used to cut the challah-bread on shabbat.
Do a Google search of What Is The Origin Of Jewish Challah Bread. The top result is a Wikipedia article on that subject.
Challah is Jewish bread.
Challah.
Yes, challah is made with wheat flour.
The sabbath is an everlasting covenant between the Jewish people and G-d. A part of its observance is to enjoy the day. Meals eaten at night, during the morning and late afternoon are all part of its observance and enjoyment.
Matzah; also spelled matzoh. This thin unleavened bread is eaten during Passover. See also:More about Passover and the Seder