Mix Greek yogurt and honey until smooth.
Prepare espresso or strong coffee and let it cool.
Soak digestive or whole wheat biscuits in the coffee.
In a container, layer biscuits and then yogurt cream alternately.
Repeat 2-3 times, finishing with a layer of yogurt cream on top.
Sift cocoa powder over the top to finish.
Refrigerate for about 1 hour to set.