Discover the perfect marriage of rich chocolate and creamy peanut butter in this irresistible peanut butter brownie recipe. These indulgent treats feature a fudgy chocolate base swirled with ribbons of peanut butter, creating a dessert that's sure to satisfy both chocolate and peanut butter lovers alike.
The Perfect Combination of Flavors
Peanut butter brownies have become a beloved classic in home baking, combining two of America's favorite flavors. This recipe takes traditional fudgy brownies to the next level by incorporating smooth peanut butter both in the batter and as a beautiful marble effect on top. Perfect for bake sales, family gatherings, or whenever you're craving something truly special.
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Ingredients
the Brownie Base:
- 1 cup unsalted butter (226g)
- 2 cups granulated sugar (400g)
- 4 large eggs, room temperature
- 2 teaspoons vanilla extract
- 1 cup unsweetened cocoa powder (100g)
- 1 cup all-purpose flour (125g)
- ½ teaspoon salt
- ¼ teaspoon baking powder
the Peanut Butter Swirl:
- 1 cup smooth peanut butter (250g)
- ¼ cup unsalted butter, melted (57g)
- ½ cup powdered sugar (60g)
- ½ teaspoon vanilla extract
Instructions
Preparation
- Preheat your oven to 350°F (175°C)
- Line a 9x13 inch baking pan with parchment paper, leaving overhang for easy removal
- Ensure all ingredients are at room temperature for best results
Make the Brownie Batter
- In a microwave-safe bowl or double boiler, melt the butter
- Add sugar to the melted butter and whisk until well combined
- Beat in eggs one at a time, ensuring each is fully incorporated
- Stir in vanilla extract
- In a separate bowl, sift together cocoa powder, flour, salt, and baking powder
- Gradually fold dry ingredients into the wet mixture until just combined
Prepare Peanut Butter Swirl
- In a medium bowl, combine smooth peanut butter and melted butter
- Stir in powdered sugar and vanilla extract until smooth
- Microwave for 20-30 seconds if mixture is too thick to swirl
Assembly and Baking
- Pour brownie batter into the prepared pan
- Drop spoonfuls of the peanut butter mixture over the brownie batter
- Use a knife to create swirls by gently running it through the batters
- Bake for 30-35 minutes, or until a toothpick comes out with a few moist crumbs
Pro Tips for Perfect Peanut Butter Brownies
- Use room temperature eggs to ensure even mixing and better texture
- Don't overmix the batter after adding dry ingredients to keep brownies fudgy
- For best swirling results, make sure both batters are similar consistency
- Let brownies cool completely before cutting for clean, sharp edges
Equipment For Peanut Butter Brownie Recipe
- 9x13 inch baking pan
- Parchment paper
- Large mixing bowls
- Whisk
- Rubber spatula
- Microwave-safe bowl or double boiler
- Measuring cups and spoons
Storage Instructions
These peanut butter brownies stay fresh at room temperature in an airtight container for up to 5 days. For longer storage:
- Refrigerate for up to 2 weeks
- Freeze for up to 3 months (wrap individual pieces in plastic wrap and store in a freezer bag)
Recipe Variations
- Make them gluten-free by substituting all-purpose flour with a 1:1 gluten-free flour blend
- Use crunchy peanut butter instead of smooth for added texture
- Add chocolate chips to the brownie batter for extra richness
- Sprinkle chopped peanuts on top before baking for more crunch
Dietary Notes
These brownies are:
- Vegetarian-friendly
- Rich in protein from peanut butter
- Can be made gluten-free with substitutions
- High in energy, perfect for special occasions
Top Tip
The key to achieving the perfect marble effect is to avoid overmixing when creating the swirls. Less is more – just a few gentle swirls with a knife will create beautiful patterns without muddying the distinct layers.
FAQ
What does adding butter to brownies do?
Butter in brownies provides rich flavor, tender texture, and moisture. Unlike oil, butter contains milk solids that contribute to taste and help create a chewier texture. The water content in butter also helps develop gluten, while the fat content aids in creating that characteristic crispy top crust. Melted butter specifically helps create denser, fudgier brownies.
What are the three types of brownies?
The three main types of brownies are:
Cakey: Light, airy texture with more flour and leavening
Fudgy: Dense, moist texture with more fat and chocolate
Chewy: Balance between cakey and fudgy with extra sugar and eggs Each type has different ratios of ingredients that create their distinct textures.
Is browned butter better for brownies?
Yes, browned butter enhances brownies by adding a nutty, caramel-like flavor depth. The process of browning butter evaporates water content and concentrates the milk solids, intensifying both flavor and richness. However, since browning reduces moisture, you may need to adjust other liquid ingredients to maintain proper texture.
Is brownie mix better with butter or oil?
While box mixes typically call for oil, using melted butter instead can improve flavor and texture. Oil creates moister brownies that stay soft longer, but butter provides better taste and a more traditional brownie texture. For best results, use a combination: 75% butter for flavor and 25% oil for moisture retention.
HOW DID YOUR PEANUT BUTTER BROWNIE RECIPE TURN OUT?
How did your Peanut Butter Brownie Recipe turn out? Ready to savor something new? This recipe is sure to impress with its perfect balance of rich, chocolatey brownie flavor and creamy, nutty peanut butter. The fudgy texture and decadent taste will satisfy any sweet tooth. If you're a fan of classic dessert combinations and fun twists on traditional treats, be sure to try our Lemon Brownies next – another easy-to-make yet delicious treat that brightens up brownies with a pop of citrus!
Did you make this Peanut Butter Brownie Recipe? We'd love to hear about your experience! Leave a star rating and share your thoughts in the comments. Did you try any creative adjustments like swirling in raspberry jam, sprinkling sea salt on top, or using crunchy peanut butter for added texture? Maybe you mixed in chocolate chips, peanut butter cups, or pretzels for some extra indulgence and crunch? Your feedback not only helps others but also contributes to our growing community of home cooks seeking inspiration. Don't forget to share a photo of your mouthwatering masterpiece so we can all admire your skills!
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Peanut Butter Brownie Recipe
Equipment
- 9x13-inch baking pan
- Parchment paper
- Large mixing bowls
- Whisk
- Rubber spatula
- Microwave-safe bowl or double boiler
- Measuring cups and spoons
Ingredients
Brownie Base
- 1 cup unsalted butter 226g
- 2 cups granulated sugar 400g
- 4 large eggs room temperature
- 2 teaspoons vanilla extract
- 1 cup unsweetened cocoa powder 100g
- 1 cup all-purpose flour 125g
- ½ teaspoon salt
- ¼ teaspoon baking powder
Peanut Butter Swirl
- 1 cup smooth peanut butter 250g
- ¼ cup unsalted butter melted (57g)
- ½ cup powdered sugar 60g
- ½ teaspoon vanilla extract
Instructions
- Preheat oven to 350°F (175°C). Line 9x13 pan with parchment paper.
For brownie batter:
- Melt butter
- Whisk in sugar
- Beat in eggs one at a time
- Add vanilla
- Mix dry ingredients separately
- Fold dry into wet ingredients
For peanut butter swirl:
- Mix peanut butter with melted butter
- Stir in powdered sugar and vanilla
- Microwave 20-30 seconds if too thick
Assembly:
- Pour brownie batter in pan
- Drop spoonfuls of peanut butter mixture
- Swirl with knife
- Bake 30-35 minutes
Notes
- Use room temperature eggs for better mixing
- Cool melted butter slightly before adding eggs to prevent cooking them
- Peanut butter mixture should be warm enough to swirl easily
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