01 -
Follow the box directions to mix your chocolate cake batter.
02 -
Grease a 23 by 33 cm pan and spread your batter there.
03 -
In a microwave-safe bowl, melt the butter then mix in cream cheese, peanut butter, and vanilla until smooth.
04 -
Add powdered sugar to the peanut butter mix and stir well until smooth.
05 -
Drop spoonfuls of peanut butter mix all over the batter. Sprinkle the chocolate chips and mini peanut butter cups on top evenly.
06 -
Cook in a 175°C oven for about 45 to 50 minutes.
07 -
Take it out when done and let it cool before cutting and serving.