Conny Waters – AncientPages.com – The Leibniz-Keks remain now as popular as ever. Most have tasted these delicious ʙuттer biscuits found in almost every modern supermarket. The production of the Leibniz-Keks started in 1891, and today, we can enjoy the original ʙuттerkeks, but there are also several varieties of biscuits these days. The keks delight […]