01 -
Preheat oven to 350°F and grease a 9x13 inch baking dish.
02 -
In a medium bowl, whisk instant chocolate pudding mix with whole milk for 2 minutes until thickened.
03 -
Spread prepared pudding evenly into the bottom of the baking dish.
04 -
Distribute dry chocolate cake mix evenly over the pudding layer without mixing.
05 -
Warm creamy peanut butter in the microwave for 20-30 seconds until pourable, then drizzle over the surface of the cake mix.
06 -
Scatter chopped mini peanut butter cups and chocolate chips evenly over the top.
07 -
Bake for 35 to 40 minutes until the surface is set and slight cracks appear.
08 -
Allow to cool briefly; portion and serve warm with whipped cream or vanilla ice cream if desired.