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Peanut Butter Mousse Brownies

A decadent fusion of fudgy brownies topped with a creamy peanut butter mousse, perfect for any occasion.
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Prep Time 15 minutes
Cook Time 35 minutes
Total Time 1 hour
Servings: 12 brownies
Course: Dessert, Snack
Cuisine: American
Calories: 350
Ingredients Method Notes

Ingredients
  

Brownie Base
  • 1.5 cups all-purpose flour Use Bob's Red Mill for quality
  • 1 tablespoon cornstarch Helps create a rich texture
  • 0.33 cups Dutch-processed cocoa powder Guittard is recommended
  • 0.5 teaspoon baking powder For that perfect rise
  • 0.25 teaspoon kosher salt Omit if using salted butter
  • 4 large eggs Room temperature for better incorporation
  • 2 cups granulated sugar Substitute with coconut sugar for a healthier option
  • 0.75 cups unsalted butter Melted; use Kerrygold for creaminess
  • 2 teaspoons vanilla extract Use pure for better flavor
Peanut Butter Mousse
  • 1 recipe peanut butter mousse Prepared in advance
Garnishes
  • Chopped peanuts Optional, adds crunch
  • Chocolate syrup Store-bought or homemade
  • Melted peanut butter Fancy touch

Method
 

Preparation
  1. Preheat your oven to 350°F (175°C).
  2. Line a 9x13-inch baking dish with parchment paper, leaving some hanging over the edges.
Mixing the Brownie Batter
  1. In a large bowl, whisk together the flour, cornstarch, cocoa powder, baking powder, and salt. Set aside.
  2. In the bowl of a stand mixer, add the eggs, granulated sugar, melted butter, and vanilla extract. Beat on medium speed until light and fluffy.
  3. With the mixer off, add the flour mixture to the wet ingredients. Mix on low speed until just combined.
Baking and Assembly
  1. Pour the brownie batter into the prepared baking dish, smoothing the top. Bake for 30-35 minutes.
  2. Allow the brownies to cool at room temperature.
  3. Once cool, spoon the peanut butter mousse over the top and spread into an even layer.
  4. Garnish with chocolate syrup, chopped peanuts, and melted peanut butter.

Notes

For the best flavor, use high-quality chocolate and peanut butter. These brownies can be customized with different nut butters or add-ins like crushed Oreos.