Peanut Butter Mousse Pie (No Bake)

If I could dream up my perfect dessert, this would be it: a chocolate cookie crust filled with creamy peanut butter mousse, topped with chocolate ganache and peanut butter cups for good measure. It's a peanut butter lover's dream come true.

Rich, decadent, and basically a giant peanut butter cup, this Peanut Butter Mousse Pie is a show-stopping no bake dessert for just about any occasion!

This post is sponsored by Zwilling. All opinions are our own. This post contains affiliate links, and I may receive commissions for purchases made through links on this post.

You wouldn't think that a peanut butter mousse could be light and airy, but this recipe really pulls it off. The filling is super creamy, yet delicate (similar to a cheesecake, but fluffier!), while the chocolate cookie crust provides just enough stability to keep each slice together.

The process is super simple and better yet: there's no baking involved! The whole recipe only requires about 20 minutes of hands on work, and the rest of the magic happens in the refrigerator.

The 2-ingredient chocolate ganache topping is totally optional, but we were going for a giant peanut butter cup vibe, and it definitely seals the deal.

If you don't do dairy, try this super similar vegan peanut butter pie instead. Peanut butter fanatic like me? Try our Peanut Butter Easter Eggs or our Chocolate Peanut Butter Pretzel Tart next.

Step-by-step Instructions

STEP 1: To the mixing bowl of a food processor, add the chocolate sandwich cookies and the melted butter. Pulse repeatedly, until a fine crumb forms.

STEP 2: Using your fingers first, and then the bottom of a measuring cup, smooth and compress the cookie and butter mixture into the bottom and up the sides of a pie tin. Move the prepared tin to the refrigerator while you make the mousse filling.

STEP 3: To a large mixing bowl, add the cream cheese and beat on medium speed until fluffy, about 2 minutes. Add in the peanut butter, powdered sugar, vanilla and salt, and beat on medium speed for another minute. Add in the heavy cream and beat until the mixture is super light and fluffy, about 3 minutes.

STEP 4: Pour the mousse mixture into the prepared pie tin and use an offset spatula or another long, flat tool to smooth it out. Move to the refrigerator and chill until the mousse firms up, about 2 to 3 hours.

STEP 5: Heat the ½ cup of heavy cream until it's steaming hot, but not boiling. To a small mixing bowl, add the chocolate. Pour the heated heavy cream over the chocolate, and let the mixture sit for 1-2 minutes, then whisk the mixture until the chocolate is fully melted and evenly incorporated into the heavy cream.

STEP 6: Pour the ganache over the top of the pie and use an offset spatula or another long, flat tool to smooth out the ganache. Optionally, top with halved or quartered peanut butter cups along the edges of the pie.

STEP 7: Move to the fridge and chill until set, about 30 to 60 minutes.

Equipment

You'll need a good hand mixer to whip up the cream cheese to achieve the fluffy, mousse-like texture for this pie, and to mix in all of the other ingredients.

If there's one appliance that should have always been cordless, it's the hand mixer. Thanks to our friends at Zwilling, now it is! Their XTEND Cordless Hand Mixer has 3 speeds and runs for up to 120 minutes (50% longer runtime than other cordless mixer systems) on a single charge. So much easier than lugging out the big, heavy stand mixer!

Best of all, its battery is interchangeable with other Zwilling XTEND appliances, like their new cordless mini vacuum (SO convenient for quickly cleaning up small messes around the house!) and their cordless immersion blender.

Storage Tips

Cover your leftovers and keep them stored in the refrigerator for up to about 5 days. (We use our Zwilling vacuum seal containers to keep food fresh for longer!) Because of the fresh dairy products, you shouldn't leave it out at room temperature for more than a few (~2) hours.

You can also freeze this pie, but the texture may be slightly different when defrosted. If you do freeze it, you can thaw slices overnight in the refrigerator before enjoying again!

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