01 -
Preheat oven to 175°C. Line a 23x33 cm baking pan with parchment, leaving an overhang. Set aside.
02 -
In a medium bowl, whisk together flour, salt, and cocoa powder.
03 -
In a small saucepan over low heat, melt chopped unsweetened chocolate and cubed butter, stirring occasionally, until smooth.
04 -
In the bowl of a mixer, beat granulated sugar and eggs for 60 seconds until pale and doubled in volume.
05 -
Gradually add melted chocolate mixture to sugar and eggs on low speed. Mix in vegetable oil and vanilla extract until fully blended.
06 -
Fold the dry mixture into the wet ingredients, mixing just until combined. Do not overmix.
07 -
Spread batter evenly in prepared pan. Bake 25–35 minutes until centre is set. Cool completely in pan.
08 -
In a medium bowl, beat creamy peanut butter, softened butter, and vanilla extract on medium speed until smooth.
09 -
Gradually mix in powdered sugar, starting on low speed, until the mixture is thick and slightly crumbly.
10 -
If needed, add 1 tablespoon heavy cream to achieve a thick, spreadable consistency.
11 -
Once brownies are cool, spread peanut butter layer evenly over surface.
12 -
Place chocolate chips in a heatproof bowl. In a small pot, heat heavy cream over low until just simmering. Pour hot cream over chocolate chips and let stand 1–2 minutes.
13 -
Stir chocolate and cream mixture until smooth and glossy.
14 -
Spread ganache evenly over peanut butter layer. Refrigerate for at least 1 hour or until set before slicing with a clean, sharp knife. Serve chilled.