Make the filling: Grind dark chocolate (200 gs) and pistachios (100 gs) until they are crushed but now powdered, you want them to maintain a little crunchiness of the nuts.
If you want to make round baklava layers, cut the defrosted filo pastry into rounds using any dish or cookie. If you don’t have a big enough cutter, you can use any round dish to line it and cut using knife, it doesn’t have to be perfect! You can also skip this step and use the filo pastry as it is in rectangle shape. You can cut it as per your liking, they taste the same either way!
Place a layer of the filo pastry, then spread melted butter on it using a pastry brush. Make sure to properly cover every corner of the pastry, but don’t drench it in butter. Spread a thin layer of butter across the pastry.
Place the second layer of pastry on top of the butter. The butter will help the two layers of filo stick to each other. Try to align each layer of pastry as much as possible, and remove any air bubbles in the process. Repeat the process → filo → butter → filo until you reach 7 filo pastry layers.
On the 7th filo pastry layer, spread another thin layer of melted butter, then sprinkle a layer of the chocolate and pistachio nut filling on top, about 2-3 tbsps.
Then follow the same process of filo → melted butter → filo for 7 more layers of pastry. Make sure that the top layer of pastry is also covered with melted butter.
Bake the baklava for 12-15 minutes, until it’s golden brown. Turn the baklava mid-way while baking to make sure it browns evenly.
Pour sugar syrup on the baklava as soon as it comes out of the oven (recipe below).
This process will make one layer of baklava. Repeat the process for the remaining layers. I have made 4 total layers of baklava for this dessert as I wanted to make it party size. However, you can reduce the number of layers as per your liking.