Speculoos (Dutch: Speculaas Dutch pronunciation: [speːkyˈlaːs], French: spéculoos, German: Spekulatius), is a type of spiced shortcrust biscuit, traditionally baked for consumption on or just before St Nicholas' feast in the Netherlands (December 5), Belgium (December 6), and around Christmas in the western and southern parts of Germany. Speculoos are thin, very crunchy, slightly browned and, most significantly, have some image or figure (often from the traditional stories about St.