It is necessary:
50 g dark chocolate,
300 g powdered sugar
200 g biscuits
glass of rum,
200 g butter.
Foam whisk the butter and add powdered sugar, melted chocolate, freshly ground biscuits, scrambled eggs and rum.
Beat until the ingredients are well combined.
From the obtained mixture, make balls.
Allow the balls to harden and then roll them in powdered sugar and ground nuts.
Optional, top with chocolate.