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    Home » Desserts » Chocolate Peanut Butter Brownies

    Chocolate Peanut Butter Brownies

    Published: May 12, 2023 by Anne Clark · This post may contain affiliate links · Leave a Comment

    Jump to Recipe Print Recipe
    Pinterest pin.

    These easy Chocolate Peanut Butter Brownies have two layers! A rich peanut butter brownie bottom layer and a chewy fudgy brownie top layer.  Made from scratch goodness that will have your sweet tooth singing your praises!  Makes 9 irresistible brownies.

    Welcome to My Kitchen Serenity! These amazing brownies are an easy one pan dessert.  There's just something magical about that tasty combination of chocolate and peanut butter. The chocolate layer is made with cocoa powder; not chocolate chips, but you could throw some in the batter if you're feeling it!

    Several baked brownies stacked up on a white plate.
    Jump to:
    • Why You'll Love These
    • Ingredients You'll Need
    • How to Make Chocolate Peanut Butter Brownies
    • Tips for Success
    • Ingredient Substitutions
    • Frequently Asked Questions
    • How to Serve Brownies
    • How to Store Brownies
    • How to Freeze Brownies
    • More Sweet Treats to Try
    • Recipe
    • Comments

    We love all kinds of brownies, really.  From these Biscoff Blondies to these Dark Chocolate Brownies! But these fudgy chocolate peanut butter brownies in particular are my husband's favorite.

    Why You'll Love These

    Rich and indulgent! These chocolate peanut butter brownies are super moist and fudgy! The texture of the chocolate brownie layer compliments the smooth, creamy texture of the peanut butter brownie layer that makes your mouth very happy!

    Easy Bake and Take! Dessert bar recipes are a great idea when you need to bake and take.  I like anything you can bake in one pan and then cut into squares and pop into your mouth lol.  Plus, dessert bars and squares can easily be individually wrapped and placed into lunch boxes, purses, and picnic baskets.

    Let the Kids Help! This is a great recipe for beginners and kids, too.  Learning how to carefully measure ingredients, mixing them up, and following directions are essential kitchen skills.  Baking can be lots of fun and rewarding with a sense of accomplishment! Eating the finished recipe is the best part! 

    Ingredients You'll Need

    First, we have the peanut butter brownie layer which has a sweet and creamy nutty texture. This is the bottom layer.

    Ingredients measured out in individual containers on counter top.

    Peanut butter - use regular, creamy peanut butter, and the store brand is fine. However, I don't recommend the natural peanut butter because of how the oil sits on top; you'd have to be diligent about thoroughly stirring it.

    White and Brown sugar - adding light brown sugar to the peanut butter brownies gives them a delicious caramel flavor! It also provides extra moisture, keeping them from being cake-like.

    Egg - if you have time, let the eggs come to room temperature before using them. That way, the cold eggs won't try to firm up the melted butter.

    All purpose flour - don't use self-rising flour because the texture won't be the same!

    Butter - you can use salted or unsalted butter. If using salted butter, you can leave out the salt in the recipe card.

    Vanilla extract - for the best flavor, use pure vanilla extract although the imitation vanilla will do in a pinch.

    Next, we have the chocolate brownie layer which is made from these ingredients which give the brownies a rich fudgy flavor and deep dense texture. This is the top layer.

    Ingredients measured out in individual containers on counter top.

    Cocoa powder - cocoa powder tends to be less expensive than baking chocolate, and easier because you don't have to take the time to melt it in order to use it.

    Sugar - sugar not only adds sweetness to the brownies, it melts while baking creating that soft melty texture.

    Egg - like I mentioned above, for the best results, let the eggs come to room temperature first.

    Butter - we use butter instead of oil. Why? Because butter gives these brownies incredible flavor and texture.

    The remaining ingredients (flour, butter, baking powder, salt, and vanilla extract) are pretty common for baking brownies 🙂

    How to Make Chocolate Peanut Butter Brownies

    Step 1 - Mix all the ingredients for the peanut butter brownie layer.

    Peanut butter brownie batter in stainless steel bowl with a whisk in the bowl.

    Step 2 - Mix all the ingredients for the chocolate brownie layer.

    Chocolate brownie batter in stainless steel bowl with a whisk in the bowl.

    Step 3 - Spread the peanut butter brownie layer into an 8" x 8" pan.

    Peanut butter brownie batter spread into square pan.

    Step 4 - Then spread the chocolate layer on top of the peanut butter layer.

    Chocolate brownie batter spread on top of peanut butter brownie layer in square pan.

    Step 5 - Bake and let cool for a few minutes. Slice into squares (I like 9 big squares but you could slice them into smaller squares).

    Several baked brownies stacked up on a white plate.

    Tips for Success

    Follow these easy tips for the best chocolate peanut butter brownie experience!

    Use quality ingredients - Fresh, good quality ingredients can make a big difference in the taste and texture of these brownies.

    Follow the recipe - For the best brownies, it's important to follow the recipe carefully, especially in terms of measurements, timing, and temperature.

    Don't overmix the batter - Overmixing can cause the gluten in the flour to develop, resulting in dry, cake-like brownies. Mix the batter just until the ingredients are combined.

    Use parchment paper - Line the bottom of an 8” x 8” pan with parchment paper and spray with non-stick cooking spray.  This makes for super easy removal of the brownies.  You can find this pre-cut parchment paper for square pans on Amazon.

    Don't overbake - Brownies are best when they're slightly underbaked, so keep an eye on them and take them out of the oven as soon as a toothpick inserted in the center comes out with moist crumbs attached.

    Ingredient Substitutions

    You can use oil instead of butter, but butter and oil have different moisture levels, so the texture and flavor of your brownies may be slightly different.

    Try Mexican Vanilla Bean Paste instead of the vanilla extract for a deeper vanilla flavor!

    Use your favorite gluten-free all purpose flour instead of regular flour. Just note that the texture could be slightly different.

    Frequently Asked Questions

    Can I add nuts, chocolate chips, or other mix-ins to my brownie batter?

    Yes, you can add a variety of mix-ins to your brownie batter for added texture and flavor. Use about ½ cup to start with.

    Should I use a glass or metal baking pan?

    Either one can work, but glass pans take longer to heat up, so adjust your baking time accordingly. I recommend using a metal pan for this recipe, and follow the baking instructions in the recipe card.

    How to Serve Brownies

    These chocolate peanut butter brownies are delicious just the way they are!!  However, if you want to make them extra special, serve them with vanilla ice cream.   You can also sprinkle them with some powdered sugar after they have completed cooled.  

    How to Store Brownies

    Store brownies in an airtight container at room temperature for up to 4 days.

    How to Freeze Brownies

    Wrapped completely cooled brownies in several layers of plastic wrap, then place into a freezer bag.  Thaw overnight in the fridge the day before you plan to eat them.

    More Sweet Treats to Try

    • Several baked and sliced blondies stacked on a white rectangular platter.
      Easy Blondie Bars
    • Baked chocolate muffins on a white serving platter.
      Easy Chocolate Muffins Recipe
    • Italian Cream Cake Cookie Bars
    • Three baked cookies on parchment paper with cookie crumbs scattered around them.
      Chewy Peanut Butter Cookies

    If you tried this recipe, please let me know by leaving a comment! I'd love to hear from you.

    If you'd like more easy recipes sent straight to your email, subscribe and get a free 5-day meal plan! How easy is that!

    Recipe

    Several baked brownies stacked up on a white plate.

    Chocolate Peanut Butter Brownies

    These Chocolate Peanut Butter Brownies have a rich peanut butter bottom layer and a chewy fudge brownie top layer.  Made from scratch goodness that will have your sweet tooth singing your praises! 
    5 from 4 votes
    Print Pin For Later Rate
    Course: Dessert
    Cuisine: American
    Prep Time: 15 minutes minutes
    Cook Time: 22 minutes minutes
    Total Time: 37 minutes minutes
    Servings: 9
    Calories: 371kcal
    Author: Anne Clark | My Kitchen Serenity

    Equipment

    • 8" x 8" square metal pan
    • Large mixing bowls
    • measuring cup(s)
    • measuring spoons
    • whisk

    Ingredients

    CHOCOLATE BROWNIE LAYER

    • ½ cup unsalted butter, melted
    • 1 cup granulated sugar
    • 2 each large eggs (room temperature eggs are best)
    • 1-½ teaspoon pure vanilla extract
    • ½ cup all-purpose flour
    • ½ cup unsweetened cocoa powder
    • ⅛ teaspoon salt

    PEANUT BUTTER BROWNIE LAYER

    • ⅓ cup creamy peanut butter
    • 2 tablespoons unsalted butter, melted
    • ⅓ cup granulated sugar
    • ¼ cup packed brown sugar (see notes on how to "pack" brown sugar)
    • 1 each large egg (room temperature egg is best)
    • ½ teaspoon pure vanilla extract
    • ½ cup all-purpose flour
    • 1 teaspoon baking powder
    • ⅛ teaspoon salt
    Prevent your screen from going dark

    Instructions

    • Preheat oven to 350°F and line an 8” x 8” pan with parchment paper leaving enough paper to slightly overlap the pan for easy removal after the brownies have baked. Spray with non-stick cooking spray.
    • In a large bowl, mix all the ingredients for the chocolate brownie layer with a whisk. (Do not over mix or the brownies will turn out cake-like).
    • In another large bowl, mix all the ingredients for the peanut butter brownie layer.
    • First, evenly spread peanut butter brownie batter on the bottom of the pan.
    • Then, evenly spread the chocolate brownie layer on top of the peanut butter layer.
    • Bake for 20-22 minutes. Brownies will still be soft and gooey, but will settle while they cool.

    Notes

    To "pack" brown sugar means to add the brown sugar to your measuring cup then use the back of a spoon to firmly press the sugar down.  Keep adding brown sugar and packing it down until you reach the desired amount needed for the recipe.
    Line the bottom of an 8” x 8” pan with parchment paper and spray with non-stick cooking spray.  This makes for super easy removal of the brownies.  I like to use the pre-cut parchment paper when I have some on hand.  Otherwise, it's not hard to cut your own to fit your pan.  You can find pre-cut parchment paper for square pans on Amazon.
    For the brownie layer, do not over mix the batter or the brownies will turn out cake-like.  What we want is an ooey gooey fudge-like texture!
    These chocolate peanut butter brownies are delicious just the way they are!!  However, if you want to make them extra special, serve them with vanilla ice cream.   You can also sprinkle them with some powdered sugar after they have completed cooled. 
    Store brownies in an airtight container at room temperature for up to 4 days.
    Tried this Recipe? Tag me Today!Mention @mykitchenserenity or tag #mykitchenserenity on Instagram!!

    Nutrition

    Serving: 1oz | Calories: 371kcal | Carbohydrates: 51g | Protein: 5g | Fat: 19g | Saturated Fat: 9g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 6g | Trans Fat: 1g | Cholesterol: 35mg | Sodium: 158mg | Potassium: 155mg | Fiber: 3g | Sugar: 37g | Vitamin A: 395IU | Calcium: 48mg | Iron: 2mg

    This recipe was originally published in 2020 and updated in 2023.

    Nutritional information is provided as a courtesy to my readers. I'm not a nutritionist and I don't guarantee the accuracy of this data. The data may differ according to the brands I used versus the brands you use. To calculate the data yourself using your brands, try using an online nutrition calculator or app.

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    Hi. I’m Anne and I’m happy to share with you my easy, family-friendly recipes. I’ve been cooking for my family for 30 years, and what I’ve learned is that most busy families appreciate easy homemade meals. Now that the kids are grown, my passion is creating and sharing flavorful food for you and your family to enjoy as well. If you have any questions, feel free to email me at Anne@mykitchenserenity.com. 

    I’d love to hear from you!

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