Grease and line a traybake tin.
Preheat the oven to 180°C.
Fit the K-Beater.
Add butter and sugar into the Appliance bowl.
Mix for 2 minutes on speed 2, until combined.
Add eggs and flour.
Mix for 2 minutes on speed Min, until smooth.
Spoon half of the batter into a clean bowl and set aside.
Add cocoa powder into the Appliance bowl.
Mix for 30 seconds on speed 1, until combined.
Add peanut butter into the bowl containing half of the batter.
Stir by hand until combined.
Spoon both the batters into the tin, alternating between the two.
Use a knife or skewer to swirl the batter.
Bake for 20 minutes at 180°C, until a skewer inserted comes out clean.
Remove from the oven and let cool.
Drizzle with melted peanut butter and melted chocolate.
Slice into squares.
Serve.
Grease and line a traybake tin.
Preheat the oven to 180°C.
Fit the K-Beater.
Add butter and sugar into the Appliance bowl.
Mix for 2 minutes on speed 2, until combined.
Add eggs and flour.
Mix for 2 minutes on speed Min, until smooth.
Spoon half of the batter into a clean bowl and set aside.
Add cocoa powder into the Appliance bowl.
Mix for 30 seconds on speed 1, until combined.
Add peanut butter into the bowl containing half of the batter.
Stir by hand until combined.
Spoon both the batters into the tin, alternating between the two.
Use a knife or skewer to swirl the batter.
Bake for 20 minutes at 180°C, until a skewer inserted comes out clean.
Remove from the oven and let cool.
Drizzle with melted peanut butter and melted chocolate.
Slice into squares.
Serve.