01 -
Preheat the oven to 175°C.
02 -
In a mixing bowl, blend flour, cocoa powder, softened butter, granulated sugar, salt, and egg yolk until a cohesive dough forms. Press evenly into the base and up the sides of a 23-cm pie pan.
03 -
Bake the prepared crust for 10 minutes, then remove from the oven and allow to cool slightly.
04 -
Melt butter gently in a saucepan over low heat. Remove from heat and incorporate sugar, eggs, and vanilla extract. Stir in cocoa powder, flour, and salt just until combined. Gently fold in chocolate chips.
05 -
Spread the brownie batter evenly over the partially baked crust.
06 -
In a clean bowl, thoroughly whisk together chopped pecans, corn syrup, brown sugar, eggs, vanilla extract, and salt.
07 -
Pour the pecan mixture evenly over the brownie layer.
08 -
Return pan to oven and bake for 30 minutes, or until the pecan filling is set and the surface appears firm. Remove from oven.
09 -
Allow dessert to cool completely in the pan before slicing and serving.