Old Portuguese Bread is a traditional bread that originated in Portugal. It is made with a combination of wheat flour, water, salt, and yeast. The bread is usually round in shape and has a crunchy crust. The term 'Old Portuguese Bread' is derived from the word 'escudo, ' which is the Portuguese word for shield. Escudo is also the name of the Portuguese currency. This type of bread is still popular in Portugal today and is often served with meals.