pannukakku

Etymology

 * (both words of which, and, are furthermore related to the Finnish counterparts). The figurative sense "failure, fiasco" (which is also found in Swedish) may refer to how a cake that fails to rise in the oven stays flat like a pancake.

Noun

 * 1) a thick (~ 1–2 cm, $1/2$–$3/4$ in) pancake baked in oven, eaten as dessert and often served with whipped cream and/or jam
 * 2)  pancake
 * 3)  failure, fiasco
 * 1)  failure, fiasco

Usage notes
tends to refer to thicker pancakes, like those in the photos. Thinner pancakes are usually called something else, like, or.