Melt butter and mix with sugar.Chocolate cut into pieces not large. Add flour and vanilla. Get a very soft dough. Step-by-step photos did not. Spread the dough on a baking sheet. If you want round biscuits, lay out portions, but it is very blurry. It turns completely filled the pan. Like a leaf. Preheat the oven to 200g. And set on 10min.I slightly overexposed the husband is put*SCRATCH*. When pulled out slightly burned. And become tough, but still tasty. While still hot cut into squares or stripes - anything you want. Cools and becomes more solid.

Turned out thin plates of chocolate. Home much, they are such a sweet tooth...