Cookie butter is a spread made from ground-up spice cookies called speculoos created in the heart of Europe. Just as gingerbread cookies are a holiday tradition in the US, these speculoos cookies ...

While Trader Joe's helped popularize cookie butter in the U.S. with its brand of Speculoos Cookie Butter (which was also made into a beer), this dessert spread has long been popular in Belgium ...

Beat together the speculoos spread, margarine ... While the cakes are cooling, make the buttercream. Beat the butter until soft and smooth. Gradually add the icing sugar, a spoonful at a time.