1) Chop 110 g of chocolate and melt it in a bain-marie with butter. Let it cool down. Mount theegg with the sugar, incorporate the melted chocolate and then join the flour sifted with the yeast and a pinch of salt. Mix well and stir in 75 g of chocolate roughly chopped.

2) Spread the dough on the baking sheet lined with baking paper in spoonfuls well spaced (about 5 cm in diameter). Sprinkle each cookie with the chocolate remained cut into small pieces.

3) Bake in a preheated oven at 160 ° for about 20 minutes. Let cool i big biscuits and pair them two by two, filling them with a thick layer of ice cream.