In a chilled metal mixing bowl, beat 3 cups heavy whipping cream, vanilla extract and creamy peanut butter on low speed with hand mixer until combined.
Then whip on high speed just until hard peaks form.
Set aside peanut butter whipped cream.
In glass or trifle bowl, layer all ingredients.
Layer these ingredients in whatever order you like.
Here's what I did.
Place 1/3 of brownie crumbles in the bottom.
Top with 1 1/3 cups chocolate pudding.
Sprinkle on 1/3 of chopped peanut butter cups.
Top with 1/2 the peanut butter whipped cream.
Add another 1/3 of the brownie crumbles.
Top with 1 1/3 cups chocolate pudding.
Sprinkle on 1/3 of chopped peanut butter cups.
Top with remaining brownie crumbles.
Layer on remaining chocolate pudding.
Spread remaining peanut butter whipped cream on top.
Sprinkle with remaining chopped peanut butter cups.