Ingredients
Equipment
Method
- Preheat the oven to 175°C (350°F). Line a 9x9-inch baking pan with parchment paper, leaving an overhang for easy lifting.
- Melt the butter (microwave or stovetop) and let it cool for 2–3 minutes. Whisk in the granulated sugar and brown sugar until glossy and smooth.
- Add the eggs one at a time, whisking vigorously after each addition until the batter looks thicker and slightly lighter. Stir in the vanilla extract.
- Sift in the cocoa powder, flour, and salt. Fold gently with a spatula just until no dry streaks remain (avoid overmixing).
- Fold in the chopped toasted pistachios and dark chocolate chips.
- Spread half of the batter into the prepared pan. Press the halved Ferrero Rocher evenly into the batter to create molten hazelnut-chocolate pockets.
- Spoon and spread the remaining batter over the top, smoothing the surface. If desired, sprinkle a little extra chopped pistachio on top.
- Bake for 35–40 minutes, until the edges are set and a toothpick inserted near the center comes out with moist crumbs (not wet batter).
- Cool completely in the pan for clean slices. Lift out using parchment, then cut into 16 squares. For extra-neat cuts, chill 30 minutes before slicing.
Notes
For a stronger pistachio flavor, swirl 2–3 tablespoons pistachio paste into the batter before baking. For a bakery finish, add a pinch of flaky sea salt after baking.
