This is the traditional Scottish Shortbread. Made from just three ingredients, shortbread cookies are easy to make and absolutely delicious.
The recipe is taken from the Feill Cookery Book, wich was publised in 1907 and is freely available from the Internet Archive. (Page 276)
Miss M. Black, Oronsay, Connell.
The Feill Cookery Book, publication date 1907
Contributor: University of Leeds Library
The Internet Archive