If you’re craving a dessert that perfectly balances rich chocolate with creamy peanut butter, look no further than the Chocolate Peanut Butter Mousse Pie. This luscious pie brings together a crunchy chocolate cookie crust, a dreamy peanut butter mousse layer, and a silky chocolate ganache topping. The combination results in an irresistible dessert that’s as elegant as it is comforting—a guaranteed showstopper for any occasion or just a sweet treat to brighten your day.
Ingredients You’ll Need
For this Chocolate Peanut Butter Mousse Pie, the ingredients are delightfully simple yet essential. Each element enhances the taste, texture, or color to build layers of satisfaction—from the crunchy crust to the creamy middle and decadent chocolate finish.
- Chocolate cookie crumbs: The base provides a rich, chocolatey crunch that supports the creamy layers perfectly.
- Butter: Melting the butter binds the cookie crumbs into a sturdy crust with a luscious bite.
- Creamy peanut butter: Offers a smooth, nutty flavor that’s key to the pie’s signature taste.
- Cream cheese: Adds tang and thickness, balancing the sweetness and creating a velvety texture.
- Powdered sugar: Sweetens the peanut butter mixture evenly without graininess.
- Whipped cream: Folded into the peanut butter layer for lightness, and also used as a topping to add softness and visual appeal.
- Chocolate chips: Melted into the heavy cream for a smooth, glossy, and luxurious ganache layer.
- Heavy cream: The secret to a rich, silky chocolate topping that perfectly complements the nutty layer beneath.
How to Make Chocolate Peanut Butter Mousse Pie
Step 1: Prepare the Crust
Start by mixing the chocolate cookie crumbs with melted butter until the crumbs are thoroughly coated and hold together when pressed. Press this mixture firmly into the bottom of your pie pan, creating an even layer. Pop it into the refrigerator while you work on the filling—this chilling step ensures the crust firms up beautifully and offers the perfect crunch against the creamy fillings.
Step 2: Make the Peanut Butter Mousse Layer
In a bowl, beat the creamy peanut butter, softened cream cheese, and powdered sugar until they form a smooth, luscious mixture. Gently fold in the whipped cream to lighten the texture, transforming it into a mousse that will create the pie’s signature velvety middle layer. Spread this peanut butter mousse evenly over the chilled crust, taking care not to disturb the base.
Step 3: Prepare the Chocolate Ganache Layer
Heat the heavy cream just until it begins to simmer—no need to boil. Pour the hot cream over the chocolate chips and let sit for a minute to soften the chocolate. Stir gently until you achieve a smooth, silky ganache. Allow it to cool slightly to thicken before carefully spreading it over the peanut butter layer. This step adds a shiny, beautifully rich chocolate cap that ties the pie together delightfully.
Step 4: Chill to Set
Place the entire pie in the refrigerator and chill for at least four hours. This resting time allows all the layers to set firmly so the pie can be sliced cleanly, with each bite delivering the perfect harmony of textures and flavors. The anticipation here is more than worth it.
How to Serve Chocolate Peanut Butter Mousse Pie

Garnishes
To elevate your pie’s presentation, top with a swirl of fresh whipped cream and a few chocolate shavings or curls. You can also sprinkle chopped peanuts for an added crunch and decorative flair. These little touches highlight the core ingredients while making every slice look as delicious as it tastes.
Side Dishes
This pie pairs wonderfully with a fresh berry salad or a scoop of vanilla ice cream. The fresh acidity and lightness of berries complement the rich, creamy pie, while vanilla ice cream adds another layer of indulgence without overpowering the flavors.
Creative Ways to Present
Consider serving individual portions in clear glass cups to show off the distinct layers of chocolate, peanut butter mousse, and crust. Alternatively, add a drizzle of caramel or a sprinkle of sea salt on top for a sophisticated twist that’s sure to impress your guests.
Make Ahead and Storage
Storing Leftovers
Keep any leftover Chocolate Peanut Butter Mousse Pie covered in the refrigerator. It will stay fresh and maintain its texture for up to 3 days. Make sure to use an airtight container or cover the pie tightly with plastic wrap to avoid absorbing any fridge odors.
Freezing
You can freeze the pie for up to one month. Wrap it securely in plastic wrap and then foil to protect it from freezer burn. To enjoy, thaw overnight in the refrigerator to preserve the creamy texture and delicious layers.
Reheating
This mousse pie is best served chilled, so reheating is not recommended. Instead, let it come to room temperature for about 15 minutes if it feels too firm, then slice and serve as usual.
FAQs
Can I use crunchy peanut butter instead of creamy?
Absolutely! Crunchy peanut butter will add a little extra texture to the peanut butter mousse layer, which can be a delightful variation if you enjoy a bit of bite in your dessert.
Is there a substitute for cream cheese in this recipe?
You can use mascarpone or ricotta cheese if you prefer a milder flavor; however, cream cheese provides that essential tang and structure that balances the sweetness and richness perfectly.
Can I make this pie vegan?
With some adaptations—like using dairy-free cream cheese, coconut whipped cream, and vegan chocolate chips—you can absolutely create a vegan version of this pie. Just keep in mind the textures and flavors may vary slightly.
What kind of chocolate chips work best?
Semi-sweet or bittersweet chocolate chips are ideal as they provide a nice contrast to the sweet peanut butter layer. Milk chocolate is sweeter and less intense, so use it if you prefer a milder chocolate flavor.
How do I get clean slices when serving?
Use a sharp knife warmed by dipping it briefly in hot water and then wiping it dry before slicing. This technique helps cut through the ganache and mousse smoothly without dragging or smudging the layers.
Final Thoughts
There is nothing quite like cracking into a slice of this Chocolate Peanut Butter Mousse Pie—it’s a celebration of two timeless flavors coming together in perfect harmony. Whether it’s for a special occasion or a weekend treat, this pie’s dreamy texture and indulgent layers will keep you coming back for more. I cannot wait for you to try it and fall in love just like I did!

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