Matzo must be ground from one of the five grains specified in Jewish law for Passover matzo: wheat, barley, spelt, rye or oat. Per Ashkenazic tradition, matzo made with wine, fruit juice, onion, garlic, etc., is not acceptable for use at any time during the Passover festival except by the elderly or unwell. Matzo dough is quickly mixed and rolled out without an autolyse step as used for leavened breads. Most forms are pricked with a fork or a similar tool to keep the finished product from puffing up, and the resulting flat piece of dough is cooked at high temperature
Bread soup Bread soup "Bread soup" is a simple soup, that mainly consists of stale bread. Variations exist in many countries, and it is often eaten during Lent. Bread soups are created as well with brown bread as with white bread. Basis for bread soup is traditionally either meatsoup or vegetable stock. Less often it is made with fish broth. To prepare the dish, the bread is either cut into pieces and given directly into the broth or it is cooked with onions and spices in a broth and then pureed. It is also possible to add bacon, egg and cream. Sometimes