Cut the sand cake into pieces and crumble it with a food processor. Put into a bowl and knead very well with mascarpone and rum
Form 15 small balls from the dough. Cover with foil and chill for 1 hour. Break the chocolate and coconut fat into pieces and melt them over a warm water bath. Prick a lollipop stick into each ball of dough. Dip ball into the melted chocolate. Drain well and let it dry a little
Put the decorative sugar in a small bowl and dip the balls, place them in a glass and chill for at least 30 minutes
Wrap each lollipop in cellophane paper and knot it with gift ribbon to seal it. Arrange on a plate or in glasses
waiting time approx. 1 3/4 hours