Crush the biscuits

• Blitz the biscuits in a food processor until they form fine crumbs.
• Transfer the crumbs to a mixing bowl.

Make the truffle mixture

• Pour the sweetened condensed milk over the biscuit crumbs.
• Mix until a thick, moldable dough forms.

Shape the soot sprites

• Roll the mixture into small balls.
• Add a few spiky strands on top of each ball to make the soot sprite fur.

Chill

• Place the truffles on a tray and refrigerate until firm.

Decorate

• Press two candy eyes onto each truffle.
• Serve or pack as a gift.