The cake base and top consist ofpuff pastry with a mixture in betweenmat (prepare outFull Milk andbuttermilk),Eggs andalmonds. Through the air holes in the puff pastry at the top of the cake, a bit of matting comes out.
The mattentaart is a pastry that is mainly found in the region of Geraardsbergen, Province of East Flanders, Belgium. The Geraardsbergse mattentaart has a geographically protected status by the European Union since 2007.s.