Things you need to know in life...
While a good idea in theory, making hot chocolate coffee in a coffee marker does not work.
The hot chocolate jams up the mesh filter, and if you're not paying attention, that will overflow the filter cup, which will result in water bypassing the filter, and from there, really thin hot chocolate coffee.
The hot chocolate jams up the mesh filter, and if you're not paying attention, that will overflow the filter cup, which will result in water bypassing the filter, and from there, really thin hot chocolate coffee.