Buckwalter told me this flavor is one of the most — if not the most — popular doughnuts The Holy Donut sells. It's a dark chocolate and sea salt base covered in a simple icing glaze.
Transfer icing to a piping bag fitted with a 2cm fluted nozzle. Pipe icing over the bases of the donuts. Scatter with chopped biscuit, then sandwich with donuts tops. For milk choc glaze, place ...