Chocolate Peanut Butter Mousse Pie

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If you love my Chocolate Mousse Pie or my Grasshopper Pie then you know that this chocolate peanut butter pie is a recipe you can't pass up! This no bake dessert is silky smooth and just melts in your mouth!

Slice of Chocolate Peanut Butter Mousse pie garnished with whipped cream and reese's! — An irresistible slice of the peanut butter chocolate mousse pie!

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Why You'll Love This Recipe
Ingredient Notes and Substitutions
My Favorite Things For This Recipe
Step by Step Instructions
Recipe FAQs and Expert Tips
More Must Have Pie Recipes
Chocolate Peanut Butter Mousse Pie Recipe

Why You'll Love This Recipe

One of the best peanut butter desserts for the peanut butter lover in your life!
Light, airy mousse that has you hooked with the first bite!
Easy recipe especially if it's your first time making pies!
No bake desserts are a must when it's too hot to bake or during the holidays when your oven is full of other holidays foods!

Ingredient Notes and Substitutions

Heavy Cream - aka...heavy whipping cream. If you want to substitute cool whip for the fresh whipped cream you can. You will need 2 (8oz) containers.
Butter - both unsalted butter and salted butter work great!
Peanut Butter Oreos - The Oreo pie crust for this recipe is made from the peanut butter crème filled Oreos. You can use regular Oreos however the peanut butter filling definitely adds to the pie. If you choose to use regular Oreos you will need to add 2 additional tablespoons of butter to the crust to make it hold together.
Peanut Butter Chips - I use the Reese's peanut butter chips.
Chocolate Chips - You can use milk, semi-sweet or dark chocolate chips depending on how much of a dark chocolate flavor you want.
9 Inch Pie Plate - You can use an 8 inch springform pan in place of the pie pan.

Everything you'll need for this double layer mousse pie!

My Favorite Things For This Recipe

Step by Step Instructions

Count out and crush the peanut butter oreos either in a ziploc bag with a rolling pan or with, my preference, a food processor, until they are fine crumbs.
Add the butter to the cookie crumbs and process until crumbly.
Press into a 9 inch pie plate for your no bake pie crust.
Set aside.

Making of the choc peanut butter crust. — Crush peanut butter oreos for the chocolate cookie crust!

Get out two microwave safe bowls or measuring cups.
I LOVE these silicone melt and pour cups for melting anything!
Measure ½ Cup Chocolate chips into one bowl and ½ cup Reese's Peanut Butter Chips in the other.
Pour ¼ Cup of Heavy Cream over chocolate chips and ¼ Cup Heavy Cream over the peanut butter chips.
Carefully, microwave each bowl, one at a time, to melt the chips enough to whisk the mixture completely smooth.
Set each aside to cool to room temperature.
TIP - To cool them faster pop them in the fridge or freezer for a few minutes, stirring here and there. Watch them carefully so they don't get too cold though.

Melting of both kinds of chips in cream. — Microwave peanut butter chips and chocolate chips separately.

In a large mixing bowl, whip the cream and powdered sugar until stiff peaks form.
For help on whipping cream see this tutorial for How To Make Whipped Cream.

Whipping the cream to stiff peaks. — Whip the cream to stiff peaks!

Scoop the cooled peanut butter mixture into a medium bowl and FOLD in half the whipped cream.
Remember to fold, DON"T stir!
See how to "Fold" ingredients in here.
Spread into the bottom of the crust.
In the pictures, this layer appears as the top layer, but I've found since it ends up thicker than the chocolate layer it's easier to have it as the bottom layer.

Folding the melted peanut butter chips into the whipped cream and spreading into the crust. — Prepare the easy peanut butter mousse!

FOLD the cooled, melted chocolate mixture into the remaining whipped cream to make a nice fluffy chocolate mousse.
Pour over the top of the peanut butter layer and smooth evenly with a rubber spatula.
Chill in the fridge for at least 4 hours before cutting and serving.
Whip the last ½ cup cream with 1 teaspoon of vanilla and ⅛ cup of powdered sugar to top your pie with.
Either spoon it or pipe it on!
You can also chop up Reese's Peanut Butter cups and sprinkle them on top of the chocolate mousse layer.
Chocolate curls or chocolate shavings also work well!
Slice with a sharp knife that's been run under really hot water and quickly (but carefully) dried, for a smooth cut.

Folding the melted chocolate into whipped cream and spreading over the peanut butter filling. — Prepare and add the chocolate mousse!

Recipe FAQs and Expert Tips

Can I use a pre-made Oreo crust or regular Oreos for the crust?

Yes, you can, however, if you haven't tried the peanut butter Oreos that you've just got to! They are soooo good and definitely add to this pie.

How long is this pie good for?

3-4 days. Please store in the fridge lightly covered with plastic wrap.

More Must Have Pie Recipes

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