Take the cookie you like. Break it into pieces.
Sugar with stir with cocoa.
Add milk to milk and put on fire, pour sugar with cocoa, keep on fire until sugar is completely dissolved.
Pour the chocolate mixture onto the cookies and mix well.
With the resulting mass, make a sausage, wrap tightly in cling film. Put in the freezer for 1.5 hours.
Chocolate sausage is ready, cut into pieces and serve.