Decadent Chocolate Peanut Butter Brownies made with butter, cocoa powder, sugar & chunky peanut butter, then topped with more peanut butter & a chocolate marshmallow icing!
The chocolate, peanut butter combination is a winner and these homemade brownies certainly deliver! They’re made with classic ingredients, then topped with 2 layers of rich chocolate icing and more peanut butter!
Highlights of this Homemade Brownie Recipe
- A decadent homemade brownie base: The 1 cup of butter and cocoa powder creates a fudgy, moist brownie base that’s heavenly.
- The amazing peanut butter layer: The chunky peanut butter adds a delightful texture. Many recipes stick to creamy peanut butter, missing that extra crunch. We absolutely love the nutty crunch and are sure you will too!
- Marshmallow magic: The marshmallows create a creamy layer that elevates these brownies. They add a touch of fluffiness that beautifully complements the dense brownie base.
Peanut Butter Brownie Ingredients
Butter: You will need 1 ½ cups of butter, divided, for this recipe.
Cocoa powder: For rich tasting brownies, use cocoa powder, divided.
Eggs: Bind the ingredients using 4 eggs.
Sugar: Add sugar for sweet tasting brownies.
Vanilla extract: Use 1 tsp of vanilla extract to enhance all the amazing flavors.
Flour: The structural base of these brownies is all-purpose flour.
Salt: Add in ½ tsp of salt to balance the sweetness.
Peanut butter: You will need one 18-oz jar of chunky peanut butter for the topping.
Milk: Use milk to melt the marshmallow mixture with.
Marshmallows: 10 large marshmallows are needed for more amazing topping.
Powder sugar: Mix in powdered sugar for an extra sweet topping.
How long are these good for & how do you store them?
Brownies should be stored at room temperature in an airtight container and they will last up to 4 days. For longer storage, they can be refrigerated for about a week or frozen for up to three months. Properly wrapping them helps maintain freshness.
Chocolate Peanut Butter Brownie Recipe
Ingredients
Toppings
- 18 oz jar chunky peanut butter
- ⅓ cup milk
- 10 large marshmallows
- 2 cups powdered sugar
Instructions
- Prep: Preheat the oven to 350°F. Grease a 15×10 baking pan with butter or non-stick cooking spray.
- Brownie batter: In a saucepan, melt 1 cup butter; stir in ½ cup cocoa & whisk until smooth. Remove the pan from the heat.
- In mixing bowl, combine the eggs, sugar, and vanilla extract; beat the mixture for 1 minute. In a separate bowl, combine the flour and salt; gradually add the flour mixture to the egg mixture. Then beat in the cocoa mixture; mix well.
- Pour the batter into the prepared baking pan and bake for 18-22 minutes or until a toothpick inserted near the center comes out clean. Place the pan on a wire rack to cool.
- Peanut butter topping: Place peanut butter in a microwave-safe bowl & heat uncovered, at 50% power for 2 minutes, stirring once. Stir until the peanut butter is smooth, then spread it over the warm brownies. Place the pan in the refrigerator for 45 minutes or until peanut butter is set.
- Marshmallow icing: Place the remaining ¼ cup cocoa powder in a heavy saucepan. Stir in the 1/3 cup milk until smooth; add the marshmallows and remaining 1/2 cup butter. Cook and whisk gently over medium heat until butter and marshmallows are melted and mixture is smooth. Remove from the heat and whisk in powdered sugar. Spread over peanut butter layer. Refrigerate for at least 30 minutes. Cut into squares, serve, and enjoy!
Notes
Nutrition
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Variations & Add in’s for Homemade Brownies
Add In’s
- Nuts: Adding chopped nuts like walnuts or pecans can provide a satisfying crunch.
- Chocolate Chips: Incorporate semi-sweet or dark chocolate chips for extra richness.
- Swirls: Create beautiful swirls by combining peanut butter with the brownie batter before baking.
- Caramel Drizzle: A drizzle of caramel sauce on top can enhance flavor and appearance.
Flavor Enhancements
- Espresso Powder: Adding a tablespoon of espresso powder deepens the chocolate flavor.
- Mint Extract: A few drops of mint extract can give a refreshing twist.
- Coconut: Mixing in shredded coconut adds a tropical flair.
Try more amazing chocolate peanut butter flavors here:
- I love this chocolate bundt cake with peanut butter glaze, it takes a simple recipe and turns it into a classy dessert!
- Serve this chocolate peanut butter banana bread for breakfast, snack, or dessert and watch how quickly it disappears!
- Try this recipe for chocolate peanut butter chip cookies made with a pudding mix for deliciously soft and chewy treats.
- Great for parties and snacking, whip up this chocolate peanut butter dip. It pairs well with many types of dippers, there’s something for everyone!
- This peanut butter and chocolate pie is every peanut butter lover’s dream. It’s creamy taste & texture is hard to beat.
- Chocolate caramel peanut butter bars make a great treat to serve to a crowd. They come together easily and the serving is simple too!
Homemade Chocolate Peanut Butter Brownies made with basic ingredients you most likely already have in your kitchen, making this a great dessert to whip up on a whim! Make this brownie recipe from scratch easily, the results are a delicious and sweet treat the whole family will love.
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