Zwieback is German for 'twice baked', and refers to a sweetened bread (or rusk) that is sliced and then rebaked or toasted until dry and dry and crisp. The use of the term in English dates back to the 1890s.
You may copy and use portions of this website for non-commercial, personal use only.
Any other use of these materials without prior written authorization is not very nice and violates the copyright. Please take the time to request permission.