01 -
Set oven to 340°F (fan).
02 -
Line an 8x8-inch baking pan with parchment paper, ensuring sides are covered.
03 -
Combine butter and chopped dark chocolate in a microwave-safe bowl. Microwave in 20-second intervals, stirring each time until completely melted and smooth. Allow the mixture to cool slightly.
04 -
In a separate large bowl, beat eggs, caster sugar, and light brown sugar together using an electric mixer for about 4 minutes until pale and creamy.
05 -
Pour in vanilla extract, then gradually fold in the cooled chocolate-butter mixture until just combined.
06 -
Sift all-purpose flour, cocoa powder, and salt together. Gently fold into the wet mixture until no dry streaks remain. Do not overmix.
07 -
Transfer batter to the prepared pan and spread evenly. Bake for 30 to 45 minutes until the top is set and a toothpick inserted in the center comes out with moist crumbs. Cool completely in the pan.
08 -
Once cool, cut brownies into small squares and roll each piece into bite-sized balls.
09 -
Dip each brownie ball into warm pistachio cream, ensuring a thick and even coating.
10 -
Roll each coated truffle in chopped roasted pistachios and granulated sugar to create a crunchy exterior. Chill until set before serving.