To make the crust: Preheat the oven to 180 ° C, grease and flour a springform Cake Pan. Beat butter with sugar until fluffy, gradually add cocoa, the flour and cornstarch; mix to a paste. Finger press to cover the mold. Chop with a fork so that the dough is puffed. Bake 25 minutes and let cool.
To make the filling: melt very low the butter with the sugar and condensed milk, stir well until everything is well incorporated and the dissolved sugar (This mixture should take a light golden color), remove from heat and let cool slightly before pouring over crust.
To elaborate decoration: carefully melt the three chocolates to Bain-Marie, pour over pie in strands, with a toothpick gently mix to get the marbled effect, leave to cool and serve.
Recipes easy to https://recetasdecocinafaciles.NET /