Grind cookies into crumbs. Add condensed milk and nuts to it, mix.
Cut the banana into pieces.
From the resulting mass, make a long cake with your hands, put bananas on it, close the edges. Ride a little to get a beautiful sausage.
Then cut the sausage into sweets.
Melt the chocolate and dip the edges of the sweets into it.
Put the finished candies in the freezer for a few minutes to freeze the chocolate.