Decadent Peanut Butter Mousse Brownie Pie Recipe Youll Love
Hey there, friend! Today, I’m excited to share a dessert that brings me back to my childhood. Remember those lazy summer afternoons spent baking with family when the kitchen was filled with laughter and the delightful scent of something sweet wafting through the air? Well, this Peanut Butter Mousse Brownie Pie is a beautiful tribute to those memory-laden moments. It combines rich, fudgy brownies with a dreamy peanut butter mousse, and I promise, it’s as good as it sounds!
Every bite of this pie is a love letter to the classic combo of chocolate and peanut butter. You just can’t go wrong! This pie is perfect for cozy gatherings, birthday parties, or simply when you need a pick-me-up at the end of the day. It’s indulgent, satisfying, and oh-so-easy to whip up. So, slip on your apron, and let’s get ready to make magic happen!
Why You’ll Love This Recipe
- Quick and easy to prepare—perfect for a weeknight treat.
- Decadent yet light, thanks to that luscious mousse.
- Impressive enough to be a showstopper at any gathering.
- Kids and adults alike will be begging for seconds!
- Can be made ahead of time—perfect for busy schedules.
Ingredients
Let’s gather our goodies! Here’s what you’ll need to create this heavenly Peanut Butter Mousse Brownie Pie:
- For the Brownie Base:
- 1/2 cup (1 stick) unsalted butter
- 1 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1/3 cup unsweetened cocoa powder
- 1/2 cup all-purpose flour
- 1/4 teaspoon salt
- 1/4 teaspoon baking powder
- For the Peanut Butter Mousse:
- 1 cup creamy peanut butter
- 1 cup powdered sugar
- 1/2 cup heavy whipping cream
- 1 teaspoon vanilla extract
- Optional: a pinch of sea salt (to balance sweetness)
- For the Topping:
- Chocolate shavings or mini chocolate chips
- Chopped peanuts for crunch
Pro Tip: Make sure to use creamy peanut butter for this recipe! Crunchy can be a fun twist, but you want that luscious texture in your mousse.

Step-by-Step Instructions
Ready to roll? Let’s dive into these easy-breezy steps to create your own Peanut Butter Mousse Brownie Pie!
- Preheat your oven: Preheat your oven to 350°F (175°C) and prepare a 9-inch pie dish by greasing it lightly or lining it with parchment paper.
- Melt the butter: In a medium saucepan over low heat, melt the unsalted butter. Once melted, remove from heat and stir in the sugar until well combined.
- Add the eggs: Whisk in the eggs, one at a time, followed by the vanilla extract. Your mixture should look smooth and glossy!
- Mix in the dry ingredients: Sift in the cocoa powder, flour, salt, and baking powder. Stir until just combined—don’t overmix; we want that fudgy texture!
- Pour into the pie dish: Spread the brownie batter evenly in your prepared pie dish and pop it into the preheated oven. Bake for about 20-25 minutes. The edges should look firm, and a toothpick inserted into the center should come out with a few moist crumbs.
- Cool the brownie base: Allow the brownies to cool completely in the dish on a wire rack while you whip up that dreamy mousse.
- Prepare the mousse: In a large mixing bowl, mix together the creamy peanut butter, powdered sugar, and vanilla extract until smooth and well combined.
- Whip the cream: In a separate bowl, whip the heavy cream until soft peaks form. Gently fold the whipped cream into the peanut butter mixture in two or three additions. Take your time, and be gentle—you want it to stay fluffy!
- Top it off: Once the brownie base is completely cool, carefully spread the peanut butter mousse on top. Use a spatula to smooth it out and create some lovely swirls if you like!
- Chill: Cover the pie with plastic wrap and refrigerate for at least 2 hours or overnight to let the flavors marry and the mousse set up beautifully.
Watch-Out: Don’t skip the chilling step! It makes a world of difference in texture, and you’ll be left with a beautifully slice-able pie.

Pro Tips & Variations
Here are a few fun ideas to mix things up and make this pie your own:
- Mix in some chocolate: Add a layer of chocolate ganache between the brownie and mousse for an extra decadent surprise!
- Play with flavors: Swap out the peanut butter for almond or cashew butter—similarly delightful and a tad different!
- Top it with flair: Drizzle caramel sauce on top of the mousse before adding your chocolate shavings or peanuts for an extra touch.
- Make it gluten-free: Use a gluten-free flour blend in place of all-purpose flour for a gluten-free option. Everyone can indulge!
Serving Suggestions
When it’s time to serve this delightful dessert, I recommend slicing it into generous portions and garnishing with a sprinkle of chopped peanuts or a light drizzle of chocolate sauce. It pairs perfectly with a big cup of coffee or a rich glass of cold milk. If you’re feeling particularly indulgent, why not add a scoop of vanilla ice cream on the side? Nothing like that melty creaminess contrasting the chocolate and peanut butter flavors!
Picture this: You, your family, or friends gathered around a table, laughter echoing, all while enjoying this Peanut Butter Mousse Brownie Pie. It’s the little moments that make life sweet, and this pie is the cherry on top of those experiences!
Storage Tips
Got leftovers? No worries, this pie keeps pretty well! Here’s how to store it:
- Refrigerate: Cover the pie tightly with plastic wrap or a lid and store it in the fridge for up to 4 days. The flavors get even better with time!
- Freeze: You can also freeze it! Just make sure to cover it well. When you’re ready to enjoy, let it thaw in the refrigerator for a few hours or overnight.
- Reheat: There’s no need to reheat this pie. It’s best enjoyed cold or at room temperature. If the mousse starts to get a little soft after some time, just give it a quick chill before serving.
FAQs
Can I use crunchy peanut butter instead of creamy?
Absolutely! Crunchy peanut butter can add a fun texture to the mousse. Just keep in mind that it will change the overall smoothness of the mousse. If you love that crunch, go for it!
How do I know when the brownies are baked to perfection?
The toothpick test is your friend! Insert a toothpick into the center of the brownies—if it comes out with a few fudgy crumbs, they’re ready. If it’s completely clean, they might be overbaked, so keep a close eye after the 20-minute mark.
Can I make this pie ahead of time?
You absolutely can! In fact, I recommend making it a day in advance. The flavors meld beautifully, and the mousse sets up perfectly, making for an even more delightful pie!
What can I use instead of heavy cream for whipping?
If you prefer a non-dairy option, try using coconut cream! Just refrigerate a can of coconut milk overnight, scoop out the solidified cream, and whip it up as you would with heavy cream.
Conclusion
Thank you for joining me in the kitchen today to create this scrumptious Peanut Butter Mousse Brownie Pie! I hope you find as much joy in making it as I do each time. It’s a sweet and soul-satisfying treat, perfect for bringing loved ones together. I’d love to hear how yours turns out—so be sure to drop a comment below or share your creation on social media! Happy baking!
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Decadent Peanut Butter Mousse Brownie Pie Recipe Youll Love
- Total Time: 2 hours 45 minutes
- Yield: 8 servings 1x
Description
Indulge in this rich brownie pie topped with creamy peanut butter moussea dessert that satisfies sweet cravings Perfect for any occasion
Ingredients
Instructions
Notes
A creamy and rich Peanut Butter Mousse Brownie Pie that combines fudgy brownie layers with dreamy peanut butter mousse, ideal for any occasion.
- Prep Time: 20 minutes
- Cook Time: 25 minutes
- Category: Dessert
- Cuisine: American
Nutrition
- Serving Size: 8 servings
- Calories: 350
- Sugar: 20 g
- Fat: 20 g
- Carbohydrates: 35 g
- Fiber: 2 g
- Protein: 8 g
Keywords: Peanut Butter, Brownie, Pie, Dessert, Chocolate, Mousse
