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Peanut Butter Stuffed Brownies Recipe

Peanut Butter Stuffed Brownies Recipe

5.1 from 9 reviews

Decadent peanut butter stuffed brownies featuring layers of rich chocolate batter with a creamy peanut butter filling. These brownies combine smooth peanut butter with a fudgy, chocolatey base for an irresistible treat perfect for dessert or an indulgent snack.

Ingredients

Scale

Peanut Butter Filling

  • 3/4 cup smooth peanut butter (not natural)
  • 1 cup powdered sugar (110 grams)
  • 1/4 teaspoon salt

Brownie Batter

  • 1/2 cup all-purpose flour (63 grams)
  • 1/4 cup cocoa powder (22 grams)
  • 1/4 teaspoon salt
  • 1/2 cup unsalted butter (112 grams)
  • 6 ounces semi-sweet chocolate (180 grams), or 50-60% dark chocolate
  • 1 cup granulated sugar (200 grams)
  • 2 large eggs
  • 1 large egg yolk (discard the white)
  • 1 teaspoon vanilla extract

Instructions

  1. Preheat Oven: Preheat your oven to 350°F (180°C). Line an 8×8 inch (20×20 cm) baking pan with parchment paper, allowing an overhang on the sides for easy removal. Lightly grease the pan first to help the parchment stick.
  2. Prepare Peanut Butter Filling: In a medium bowl, beat together the smooth peanut butter, powdered sugar, and salt until fully combined and smooth. If the powdered sugar is lumpy, sift it before mixing. Refrigerate this mixture while you prepare the brownie batter.
  3. Mix Dry Ingredients: In a small bowl, whisk together the all-purpose flour, cocoa powder, and salt. Set aside.
  4. Melt Chocolate and Butter: In a large bowl, melt the unsalted butter and chopped semi-sweet chocolate together. Use a microwave in 45-second intervals on medium power, stirring in between, or melt using a double boiler over gently simmering water. Allow the mixture to cool for about 5 minutes.
  5. Combine Wet Ingredients: Whisk the granulated sugar into the cooled chocolate and butter mixture. Then add the 2 whole eggs, the additional egg yolk, and vanilla extract. Whisk until the mixture is glossy and smooth with no visible egg clumps.
  6. Add Dry Ingredients: Gradually add the flour mixture to the wet ingredients, sifting it in if needed. Whisk until the batter is smooth and fully combined with no streaks of dry ingredients remaining.
  7. Assemble Brownie Base: Pour half of the brownie batter into the prepared pan and spread evenly to form a smooth layer.
  8. Add Peanut Butter Layer: Remove the peanut butter mixture from the fridge. Scoop tablespoons and flatten them slightly, then arrange the peanut butter pieces evenly over the brownie layer. It’s okay if the peanut butter doesn’t cover the entire surface.
  9. Top with Remaining Batter: Carefully spoon the remaining brownie batter over the peanut butter layer, avoiding pouring directly to keep layers intact. Spread the top batter evenly so the peanut butter layer is fully covered.
  10. Bake: Bake in the middle rack of the preheated oven for 32-37 minutes, until the top looks set and a toothpick inserted comes out clean or with a few moist crumbs but no wet batter.
  11. Cool and Serve: Allow the brownies to cool in the pan until it is no longer warm to the touch, which may take a few hours. To speed this process, place the pan on a wire rack inside the fridge. Once cool, use the parchment paper overhang to lift the brownies out of the pan and slice with a sharp knife.

Notes

  • Use smooth peanut butter for the best texture in the filling; natural peanut butter can be too runny.
  • Sifting powdered sugar and cocoa powder helps prevent lumps in the batter and filling.
  • Be careful not to overbake; brownies should be moist inside, so check with a toothpick near the lower baking time.
  • Refrigerating the peanut butter filling prior to assembling helps maintain distinct layers.
  • Store leftovers in an airtight container at room temperature for up to 3 days or refrigerated for up to a week.

Nutrition

Keywords: peanut butter stuffed brownies, chocolate peanut butter brownies, rich brownies, dessert, baked treats, fudgy brownies