Preheat the oven to 180°C (356°F).
Melt the chocolate and butter using a double boiler.
In a bowl, add the eggs and sugar and mix well.
Add the melted chocolate and butter and combine thoroughly.
Sift in cake flour, cocoa powder, and baking powder, then mix.
Cut Maf (marshmallow pretzel) into small pieces and fold into the batter.
Pour the batter into the pound cake pan and level the surface.
Bake in the oven for 35–40 minutes.
After cooling, remove from the pan and slice.