We finally found a store that had these in the window. We were recommended to have them fresh out of the pan, but this would have to do.
The translation is "cake in maple-leaf shape with filling." They come with a variety of fillings such as custard, cheese, or the traditional sweet bean taste.
We opted to play it safe the first time and get chocolate filling. I would describe the outside as a soft pancake with a thicker cream filling.
It was really tasty! Next time we are going to find some fresh...