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Peanut Butter Brownies

4.96 from 25 votes

With layers of rich chocolate surrounding a smooth peanut butter filling, these fudgy chocolate peanut butter brownies are the ultimate show-stopping dessert.

The Best Peanut Butter Brownie Recipe

If you’re looking for an easy chocolate treat that everyone will love, these peanut butter brownies won’t let you down.

Each bite tastes like eating a homemade Reeses peanut butter cup packed into an indulgent gooey chocolate brownie crust, making it the perfect recipe for both kids and adults.

You may also like: Sweet Potato Brownies

Vegan Chocolate Peanut Butter Brownie Bars

Easy Peanut Butter Brownie Recipe

The best part about the brownies is how easy they are to customize.

In fact, you can use pretty much any brownie recipe you want for the base, as long as it fits an 8-inch pan.

For the brownies in the photos, I made everything from scratch. But feel free to go with a box brownie mix if you’re low on cocoa powder or are running short on time and need a fancy dessert that can be whipped up quickly.

No one will ever know!

Try serving this Whipped Coffee Recipe with the brownies

Easy Peanut Butter Brownies Recipe

How To Make Peanut Butter Brownies

Start by preparing your brownie base. This can be done the day before to save time if you wish.

For the 3 ingredient peanut butter filling, cream together 6 tbsp each of peanut butter and regular butter (such as Melt Organic for vegan peanut butter brownies) with 1 1/2 cup of powdered sugar or erythritol. If too thick, add 1/2 tsp milk of choice.

Spread the filling over the brownies.

It’s optional, but I also like to melt 3 oz of chocolate chips with 1/2 tsp oil and swirl or smooth this over everything, then chill in the fridge or freezer for a few minutes until the chocolate hardens.

The resulting tasty treat is chewy, soft, dense, fudgy, and oh-so peanut buttery!

Vegan Peanut Butter Brownies
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Peanut Butter Brownies

These fudgy chocolate peanut butter brownies are a delicious dessert that everyone will love.
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Yield 10 -14 brownies
5 from 25 votes



Peanut Butter Filling

  • 6 tbsp peanut butter, or allergy-friendly sub
  • 6 tbsp butter (for butter-free, use this 3 ingredient peanut butter mousse)
  • 1 1/2 cup powdered sugar or erythritol
  • 1 1/2 tsp milk of choice

Chocolate Coating (Optional)

  • 3 oz chocolate chips or broken-up chocolate bar
  • 1/2 tsp oil


  • Bake brownies according to recipe directions. Meanwhile, prepare the filling. Make sure butter and peanut butter are soft, then whip all filling ingredients together until completely smooth. (I used a hand mixer for smoother results, but technically you can use a fork if you're very patient.) Spread over brownies. If desired, carefully melt chocolate, stir in oil, smooth over peanut butter layer, and freeze to set.
    View Nutrition Facts


Still craving chocolate? Try this Brownie In A Mug

Have you made this recipe?

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More Peanut Butter Recipes:

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Chocolate Chip Peanut Butter Bars

Chocolate Peanut Butter Nice Cream

Chocolate Peanut Butter Nice Cream

Peanut Butter Mousse

Vegan Dessert Hummus

Chocolate Hummus

peanut butter banana shake

Peanut Butter Banana Smoothie

Chocolate Oatmeal No Bake Bars

Peanut Butter Fat Bombs

Published on January 27, 2021

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  1. Alexandra says

    I can’t wait to make these. They look so delicious. Peanut butter and chocolate is a perfect combination in my opinion.

  2. Alana says

    5 stars
    I was so excited bc my brownies looked just like Katie’s! The only problem is the bottom layer turned out way too dry. I followed Katie’s brownie’s from scratch recipe and I baked them for 18 mins instead of 20 mins like the instructions said, other than that, I followed both recipes to the T! What can I do different next time to make the brownies moist?
    I love your recipes💛
    Thank you!

  3. lollo says

    5 stars
    I made these with gluten-free 1:1 all-purpose flour, and they were excellent. My peanut buttercream was a bit loose, maybe because I used natural peanut butter (just peanuts and salt, the kind that needs to be stirred) and not peanut butter with added oils. Could that be it? Either way, it wasn’t really an issue.

    • CCK Media Team says

      Thank you so much for making them! Hmm, what other specific ingredients/brands did you use in the frosting? We almost always use natural peanut butter too 🙂

  4. lollo says

    Sorry for the late reply. Thank you for responding to my comment. Your email was marked as spam, and I only saw it now. I used Adam’s natural peanut butter, Country Crock buttery spread, Kroger powdered sugar, and unsweetened Silk soy milk (from what I remember).

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