Peanut Butter Brownies

Dive into these delectable Peanut Butter Brownies! Classic fudgy brownies with a swirl of creamy peanut butter batter on top!

Peanut butter brownies on crinkled paper.

I will say it time and time again, brownies are my all-time favorite dessert! As a chocolate lover every time I eat a fudgy and gooey brownie it’s magical. Which is precisely how I feel about this Peanut Butter Brownie recipe. Thick and fudgy brownies combined with a creamy peanut butter batter is truly heaven in a dessert.

Is there a more classic pairing than peanut butter and chocolate? If you love these two ingredients together then you will also love my Chocolate Peanut Butter Cup Ice Cream with a Peanut Butter Swirl, Peanut Butter Buckeyes, and Homemade Peanut Butter Cups!

Recipe Ingredients

Ingredients for peanut butter brownies.

Ghirardelli Baking Bar – I love Ghirardelli, it is rich and has the best flavor and texture in my opinion. You will see me use it time and time again like for my Chocolate Covered Strawberries or the coating of any of my cake pops!

Creamy Peanut Butter – Gives a smooth velvety peanut butter flavor and texture to the brownies.

For a full list of ingredients and amounts see the recipe card below.

How to Make Peanut Butter Brownies

Step 1: Preheat the oven to 350 degrees. Line an 8×8 baking pan with parchment paper so that there is enough to pull the brownies out once they are done. Then, butter or spray with nonstick cooking oil. Set aside.

Step 2: Over a double boiler, melt butter, sugar and chocolate. Whisk until smooth. Let mixture cool on the counter for at least 5 minutes.

Chocolate sugar and butter in a double boiler.

Step 3: Next, pour the melted chocolate mixture into the bowl of a stand mixer and add in the vanilla extract, one egg and mix together. Then add the other egg, mix until incorporated.

Egg and vanilla added into the chocolate mixture.

Step 4: In a separate small mixing bowl whisk together flour, cocoa powder and salt.

Dry ingredients in a white bowl.

Step 5: Then, with mixing speed on low, gradually add the dry ingredients into the bowl with the chocolate mixture. Mix until just combined.

Step 6: Remove the bowl from the stand mixer and fold in chocolate chips. Set this brownie batter aside.

Chocolate chips added into the brownie batter.

Step 7: For the peanut butter batter, in a separate medium sized mixing bowl, combine the butter, peanut butter and sugar. Using a hand mixer, beat until fluffy and smooth.

Peanut butter sugar and butter in a glass bowl.

Step 8: Add vanilla and egg into the peanut butter batter, mix until incorporated. Sprinkle in the baking powder and salt into the peanut butter batter, then gradually add the flour while mixing.

Dry ingredients added to the peanut butter batter.

Step 9: To assemble, pour half of the brownie batter into the prepared pan. Dollop half of the peanut butter batter on top and swirl. Pour the remaining brownie batter on top, then dollop the remaining peanut butter batter, swirl (I folded over some of the brownie batter so there weren’t huge chunks of peanut butter batter). Once the top is swirled, place in the oven and bake for 30-40 minutes. The peanut butter batter should be a light golden brown on top.

Peanut butter brownies in a square baking dish.

Step 10: Remove from the oven and let cool in the pan for 25 minutes. Remove using the foil overhang and place on a wire rack to cool completely (another 20 minutes or so). Remove parchment paper from brownies, cut and serve.

Peanut butter brownies stacked on top of each other.

FAQs

What kind of peanut butter should I use in my peanut butter brownies?

I recommend creamy peanut butter for this recipe but if you prefer crunchy you can use that as well just keep in mind it will change the overall texture of the brownies. When it comes to brand I personally prefer Jif, but Skippy, or Peter Pan or any other creamy peanut butter works great!

Storage Information

You can store these peanut butter brownies in an airtight container on your counter for 4-5 days.

More Delicious Brownie Recipes

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Dive into these delectable Peanut Butter Brownies! Classic fudgy brownies with a swirl of creamy peanut butter batter on top!

Peanut Butter Brownies Recipe

Dive into these delectable Peanut Butter Brownies! Classic fudgy brownies with a swirl of creamy peanut butter batter on top!
5 from 1 vote
Pin Rate
Course: Brownies & Bars, Dessert
Cuisine: American
Diet: Vegetarian
Prep Time: 20 minutes
Cook Time: 35 minutes
Cool: 50 minutes
Servings: 12 brownies
Calories: 396kcal
Author: Andrea
Print Recipe

Ingredients

  • 1/2 cup all-purpose flour
  • 1 Tbsp unsweetened cocoa powder
  • 4 oz semi-sweet chocolate - melted (I used a Ghiradelli baking bar)
  • 2/3 cup sugar
  • 6 Tbsp (¾ stick) butter
  • 2 eggs
  • 1/4 tsp salt
  • 1 tsp vanilla
  • 1/2 cup semi-sweet chocolate chips
  • 1/4 cup mini semi-sweet chocolate chips

peanut butter batter

  • 1/4 cup flour
  • 1/2 cup sugar
  • 1/2 cup creamy peanut butter
  • 4 Tbsp (½ stick) butter - room temperature
  • 1 egg
  • 1/8 tsp baking powder
  • 1/4 tsp salt
  • 1 tsp vanilla
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Instructions

  • Preheat the oven to 350 degrees. Line an 8×8 baking pan with parchment paper so that there is enough to pull the brownies out once they are done. Then, butter or spray with nonstick cooking oil. Set aside.
  • Over a double boiler, melt butter, sugar, and chocolate. Whisk until smooth. Let mixture cool on the counter for at least 5 minutes.
  • Next, pour the melted chocolate mixture into the bowl of a stand mixer and add in the vanilla, one egg and mix together. Then add the other egg, mix until incorporated.
  • In a separate small mixing bowl whisk together flour, cocoa powder and salt.
  • Then, with mixing speed on low, gradually add the dry ingredients into the bowl with the chocolate mixture. Mix until just combined.
  • Remove the bowl from the stand mixer and fold in chocolate chips. Set this brownie batter aside.
  • For the peanut butter batter, in a separate medium sized mixing bowl, combine the butter, peanut butter and sugar. Using a hand mixer, beat until fluffy and smooth.
  • Add vanilla and egg into the peanut butter batter, mix until incorporated. Sprinkle in the baking powder and salt into the peanut butter batter, then gradually add the flour while mixing.
  • To assemble, pour half of the brownie batter into the prepared pan. Dollop half of the peanut butter batter on top and swirl. Pour the remaining brownie batter on top, then dollop the remaining peanut butter batter, swirl (I folded over some of the brownie batter so there weren’t huge chunks of peanut butter batter). Once the top is swirled, place in the oven and bake for 30-40 minutes. The peanut butter batter should be a light golden brown on top.
  • Remove from the oven and let cool in the pan for 25 minutes. Remove using the foil overhang and place on a wire rack to cool completely (another 20 minutes or so). Remove parchment paper from brownies, cut and serve.

NOTES

*  Makes approximately 9 large brownies or 12 standard size brownies
– There are no leaveners in the brownie recipe… they turn out just fine 🙂
You can store these peanut butter brownies in an airtight container on your counter for 4-5 days.

Nutrition

Calories: 396kcal | Carbohydrates: 40g | Protein: 6g | Fat: 25g | Saturated Fat: 10g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 9g | Trans Fat: 1g | Cholesterol: 52mg | Sodium: 242mg | Potassium: 218mg | Fiber: 3g | Sugar: 29g | Vitamin A: 187IU | Calcium: 31mg | Iron: 2mg

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About the Author

Andrea

Hi I'm Andrea!

Hotelier turned Food Blogger to help make your life simple, one recipe at a time.

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