Mazurek
Mazurek is a variety of cake baked in Poland for Easter. It has a flat shape and is very sweet. According to Polish gastronomy coursebooks, typical mazurek is a cake that can be made of one or two sheets of short pastry or one sheet of short (or half-short) pastry covered with a sheet of butter sponge cake. The two sheets are fixed together with a help of a layer of marmalade. In case of one-sheet version, marmalade is skipped or goes on top, under the layer of icing. The top of mazurek is covered with a layer of icing (i.e. sugar icing or kajmak) or jelly. It is also decorated with nut-based icing or almond-based icing and candied fruits. Traditionally, home-baked mazurek cakes are often decorated with dried fruits and nuts.
Source: Wikipedia