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    Home » Recipes » Brownies

    Chocolate Peanut Butter Brownies

    By: Jessica · Posted: Aug 1, 2022 · Updated: Aug 4, 2022 · This post may contain affiliate links. Please read my disclosure policy.

    Jump to Recipe
    Total Time: 1 hour 25 minutes
    Servings: 12 servings
    Collage of chocolate peanut butter brownies

    Chocolate Peanut Butter Brownies: These homemade fudgy brownies are covered with not one but two layers of icing (a peanut butter layer and a chocolate layer)! This is the ultimate treat for peanut butter lovers and chocolate lovers!

    So many love these no-bake chocolate peanut butter bars and this peanut butter pie, so I knew you’d also love these delicious brownies!

    A pile of chocolate peanut butter brownies.

    What you’ll love about these

    What’s NOT to love about these chocolate peanut butter brownies with cocoa powder? These chewy brownies are moist and fudgy, the peanut butter layer is creamy and perfectly sweet, and it’s topped with more chocolate! This is the perfect dessert for chocolate lovers and peanut butter lovers (the Reese’s pieces/peanut butter cup fans in the crowd will LOVE this one).

    If you don’t have time to make these fudgy homemade brownies from scratch, check out the substitutions and variations section of this post below for a time-saving tip!

    Jump to:
    • What you’ll love about these
    • Ingredients for peanut butter chocolate brownies
    • How to make this gooey peanut butter brownie
    • Substitutions & Variations
    • Storage
    • Expert Tips and FAQs
    • Related Recipes
    • Chocolate Peanut Butter Brownies

    Ingredients for peanut butter chocolate brownies

    Although there are a few more ingredients in these easy chocolate peanut butter brownies than traditional brownies, none of them are fancy or hard to find and it’s SOOOO worth it.

    You will be able to get everything you need at your local grocery store (and if you are looking for a way to simplify this recipe, check out the substitutions and variations section of this blog post)!

    Ingredients for the brownie layer of chocolate peanut butter brownies.
    Ingredients for brownie layer.

    Fudgy Brownie Base Layer

    • 2 cups granulated sugar 
    • 1 cup salted butter melted
    • ¾ cup unsweetened cocoa powder
    • 2 teaspoons vanilla extract
    • 4 eggs
    • 1 cup all purpose flour
    • ½ teaspoon salt
    Ingredients for the peanut butter layer of chocolate peanut butter brownies.
    Ingredients for peanut butter layer.

    Peanut Butter Layer

    • 2 cups powdered sugar
    • ½ cup salted butter softened
    • ½ cup creamy peanut butter
    • 2 tablespoons milk or cream
    Ingredients for chocolate layer of chocolate peanut butter brownies.
    Ingredients for chocolate layer.

    Chocolate Layer

    • 2 cups semi-sweet chocolate chips
    • ½ cup butter sliced into 1 tablespoon pieces
    • 1 tablespoon milk

    See the printable recipe card below for quantities and step-by-step instructions.

    How to make this gooey peanut butter brownie

    1. Preheat oven to 350°F (325°F for dark, nonstick pan). Grease bottom of 13×9-inch pan. 
    Greased 9x13 pan.
    Grease a 9×13 pan.

    Brownie Directions

    1. In the bowl of a stand mixer or a large bowl and using a hand held mixer, combine the sugar, melted butter, cocoa powder, and vanilla; mix well. 
    Dry ingredients in the bowl of a stand mixer.
    Combine butter and dry ingredients.
    1. Add the large eggs and beat well. 
    Eggs added to brownie batter in the bowl of a stand mixer.
    1. Add in flour and salt; mix until just combined. 
    Flour and salt added to brownie batter mix.
    Add flour and salt.
    1. Spread evenly in the prepared pan. Bake for 30-35 minutes or until an inserted toothpick comes out clean. Cool completely.
    Brownie batter being spread into a 9x13 pan.
    Spread in 9×13.

    Peanut Butter Layer Directions

    1. In a medium bowl, beat powdered sugar, butter, peanut butter, and milk with an electric mixer on medium speed, scraping occasionally. Do this for about 2 minutes or until smooth and fluffy.
    Icing sugar, butter, and peanut butter in the bowl of a stand mixer.
    Beat peanut butter, sugar, and butter.
    1. Spread filling in an even layer over top of the brownies. 
    Peanut butter frosting being spread on baked brownies.
    Spread peanut butter layer over brownie.

    Chocolate Layer Directions

    1. Place chocolate chips and sliced butter into a medium microwavable bowl. Microwave uncovered on high for 30 seconds and then stir. 
    A bowl of chocolate chips with squares of butter all over it.
    Microwave butter and chocolate chips.
    1. Keep microwaving in 30 second increments until the chocolate chips are completely melted. If the chocolate seems too buttery at first, keep stirring until it’s smooth and well combined. 
    2. Cool for 10 minutes. 
    3. Add the 1 tablespoon of milk to the chocolate and mix well. Consistency should be easily spreadable.
    Melted chocolate chips in a bowl with milk poured on top.
    Add milk.
    1. Spread over the peanut butter filling. 
    Chocolate layer being spread over peanut butter layer.
    Spread chocolate over peanut butter.
    1. Cover and refrigerate for about 30 minutes or until chocolate is set. 
    2. Cut into squares and serve with a glass of milk or a scoop of vanilla ice cream.
    Squares of chocolate peanut butter brownies.
    Cut and serve!

    Substitutions & Variations

    If you need to make some changes to this recipe, here are a few suggestions I have for substitutions and variations!

    • Looking for a more fudgy brownie? Substitute brown sugar instead of the white sugar! This will affect the texture of the brownies a bit and will make them a bit softer, more moist and extra fudgy.
    • Chunky peanut butter – If you like nuts in your brownies, you can use chunky peanut butter instead of creamy! I wouldn’t recommend using natural peanut butter though as it is a bit too soft for this recipe.
    • Switch chocolates – Instead of using semi-sweet chocolate chips for the chocolate layer, try using white chocolate chips, dark chocolate chips, or even peanut butter chips!
    • Need to make this recipe faster? Instead of making your brownies from scratch, you can use 1 family sized box mix of fudge brownies. Prepare the brownies as directed on the box and let them cool completely before moving on to the next step.
    • Cut it in half – If you don’t need to make a full 9×13 pan of brownies, you can cut this recipe in half and make it in an 8×8 pan instead! Bake your square baking pan of brownies for 25 – 30 minutes.

    Storage

    Store your chocolate peanut butter brownies in an airtight container in the fridge for up to a week.

    Can you freeze brownies?

    Normally, this is an absolute yes!(Frozen brownies are delicious, even straight out of the freezer)

    I haven’t tried freezing these peanut butter brownies, but I do think that they would freeze very nicely! If it were me, I would slice the chilled brownie and then wrap each piece in plastic wrap and put them in an airtight freezer bag to freeze. They should keep this way for 1-3 months!

    Expert Tips and FAQs

    How do I keep the peanut butter layer from melting?

    Be sure to completely cool the brownies before adding the peanut butter layer to prevent the peanut butter itself from melting.

    The chocolate layer isn’t spreading well. Why?

    Make sure that the chocolate topping is thin enough to spread easily. If the topping is too thick it can lift up the peanut butter layer. You can thin the topping by adding more milk to it.

    How do I get nice clean cuts when cutting my brownie?

    To ensure cleaner cuts, make sure that the brownies are first chilled and then slice them with a sharp knife.

    Should I eat these warm or chilled?

    These brownies can be eaten chilled or at room temperature!

    Did you make this? I’d be so grateful if you left a review below to let me know what you thought! Then, the next time you need a quick and easy recipe, come back to Fantabulosity to browse all of my easy recipes!

    Related Recipes

    If you liked this peanut butter brownie recipe, then you should definitely try our peanut butter banana brownies (trust us, banana in brownies is so good) and our quick & easy brownie mix cookies!

    Close up of chocolate peanut butter brownies

    Chocolate Peanut Butter Brownies

    Jessica Burgess
    Chocolate Peanut Butter Brownies: These homemade fudgy brownies are covered with not one but two layers of icing (a peanut butter layer and a chocolate layer)! This is the ultimate treat for peanut butter lovers and chocolate lovers!
    5 from 4 votes
    Print Recipe Pin Recipe
    Prep Time 20 mins
    Cook Time 35 mins
    Chill Time 30 mins
    Total Time 1 hr 25 mins
    Course Dessert
    Cuisine American
    Servings 12 servings
    Calories 849 kcal

    Ingredients
      

    Brownie Layer

    • 2 cups granulated sugar
    • 1 cup salted butter melted
    • ¾ cup unsweetened cocoa powder
    • 2 teaspoons vanilla extract
    • 4 eggs
    • 1 cup all purpose flour
    • ½ teaspoon salt

    Peanut Butter Layer

    • 2 cups powdered sugar
    • ½ cup salted butter softened
    • ½ cup creamy peanut butter
    • 2 tablespoons milk or cream

    Chocolate Layer

    • 2 cups semi-sweet chocolate chips
    • ½ cup butter sliced into 1 tablespoon pieces
    • 1 tablespoon milk
    Prevent your screen from going dark

    Instructions
     

    • Preheat oven to 350°F (325°F for dark, nonstick pan). Grease bottom of 13×9-inch pan. 

    Brownie Directions

    • In the bowl of a stand mixer or a large bowl and using a hand held mixer, combine the sugar, melted butter, cocoa powder, and vanilla; mix well.
    • Add the eggs and beat well.
    • Add in flour and salt; mix until just combined.
    • Spread evenly in the prepared pan. Bake for 30-35 minutes or until an inserted toothpick comes out clean. Cool completely.

    Peanut Butter Layer Directions

    • In a medium bowl, beat powdered sugar, butter, peanut butter, and milk with an electric mixer on medium speed, scraping occasionally. Do this for about 2 minutes or until smooth and fluffy.
    • Spread filling evenly over brownies. 

    Chocolate Layer Directions

    • Place chocolate chips and sliced butter into a medium microwavable bowl. Microwave uncovered on high for 30 seconds and then stir.
    • Keep microwaving in 30 second increments until the chocolate chips are completely melted. If the chocolate seems too buttery at first, keep stirring until it’s smooth and well combined.
    • Cool for 10 minutes.
    • Add the 1 tablespoon of milk to the chocolate and mix well. Consistency should be easily spreadable.
    • Spread over the peanut butter filling. 
    • Cover and refrigerate for about 30 minutes or until chocolate is set. 
    • Cut into squares and serve!

    Notes

    STORAGE: Store your chocolate peanut butter brownies in an airtight container in the fridge for up to a week. 
    I haven’t tried it, but I do think that these brownies would freeze very nicely! If it were me, I would slice the chilled brownie and then wrap each piece in plastic and put them in an airtight freezer bag to freeze. They should keep this way for 1-3 months!

    Nutrition

    Serving: 1serving | Calories: 849kcal | Carbohydrates: 88g | Protein: 7g | Fat: 55g | Saturated Fat: 29g | Polyunsaturated Fat: 6g | Monounsaturated Fat: 16g | Trans Fat: 1g | Cholesterol: 84mg | Sodium: 462mg | Potassium: 353mg | Fiber: 5g | Sugar: 70g | Vitamin A: 967IU | Calcium: 48mg | Iron: 3mg

    Nutritional information is based on third-party calculations and should be considered estimates. Actual nutritional content will vary with brands used, measuring methods, portion sizes and more.

    Keywords brownies recipe, chocolate dessert, chocolate peanut butter dessert, peanut butter
    Tried this recipe?Let us know how it was!

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    Filed Under: Brownies, Desserts, Recipes

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    Reader Interactions

    Comments

    1. Tara says

      August 01, 2022 at 2:05 pm

      5 stars
      Mmm, you had me at chocolate and peanut butter. Yum!! 😍

      Reply
    2. Kristyn says

      August 01, 2022 at 6:10 pm

      5 stars
      Peanut butter & chocolate is the best combination!! These brownies are always a hit anywhere I take them!

      Reply
    3. Toni says

      August 02, 2022 at 7:55 am

      5 stars
      My kids immediately wanted to try these!! And it didn’t disappoint! It was a huge hit! Thanks for the recipe!

      Reply
    4. Lauren says

      August 04, 2022 at 12:09 pm

      How many eggs are added to the brownie mix? The recipe doesn’t state.

      Reply
      • Jessica says

        August 04, 2022 at 9:06 pm

        Hi Lauren! I’m so sorry. I’ve added that in! It’s 4 eggs. Thank you for asking!

        Reply

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