In a bowl, sift the flour, add the sugar and salt. Add the diced butter (50 grams), chop with a knife or grind to a state arms crumbs. Add the egg yolks, knead the dough is soft and elastic, which should not stick to hands. If you want - pour a little water (no more than 2 tablespoons). Prepared dough, cover with cling film, remove half an hour in the refrigerator.
Grease the mold for cupcakes butter. Divide the dough into equal pieces, roll out and evenly shaped. For the dough during baking mini tarte not swollen, it can prick with a fork or fill up the load in the form of peas or beans.
Send molds with the dough for half an hour in the oven, preheated to 200 degrees. While the dough is baked, you can cook a chocolate filling.
Chop the dark chocolate, melt it in the microwave or in a water bath. Add 30 grams of butter, pour in the heavy cream, stir well until a homogeneous mixture.
Ready cool sand basket, from the refrigerator, then remove from the molds themselves baskets, fill them with chocolate and store in the refrigerator until solidification of the filling. Serve mini tarte with chocolate chilled, it makes it easier to eat, otherwise the chocolate will flow.