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Deliciously Seasoned

June 6, 2021

Peanut Butter S’mores Brownies

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I got to mix two passions together with this recipe for peanut butter s’mores brownies and I couldn’t be more thrilled with the results. The name says it all so let’s get into the important stuff you need to know in order to make this spectacular delicious dessert.

A super close up photo of a peanut butter s'mores brownie on a white plate with chocolate chips and peanut butter chips placed along the brownid.

Are Peanut Butter S’mores Brownies Really Possible?

Yes. Yes, they are. Not only is it possible, it’s encouraged. Well, I encourage it at least. It is summertime after all. S’mores and other s’more inspired foods are mandatory! All joking aside, though. It’s really hard to imagine letting this time of year fly by without dipping into a little bit of nostalgia. We all have those memories of the first time we ever had a s’more and those memories are always accompanied by summer magic. There is something mysterious and beautiful about the three-note chord struck by the simplest ingredients. That’s why that inevitable display at the supermarket every July is so alluring.

This magnificent creation takes everything you love about this unique dessert and turns it into a brownie. But the genius is in the added twist of peanut butter. Peanut butter is exactly what smores have always needed to finally push toward their full potential. By creating a peanut butter cup brownie layer in between the graham cracker crust and the toasted marshmallows with melted chocolate, I have made the most irresistible and ridiculously indulgent summer treat that doesn’t come out of a freezer.

A close up shot of peanut butter s'mores brownies in a pan with one brownie missing from the pan.

The Rolling Pin Solution

One of the first things you need to do is get the crust ready for these peanut butter smores brownies. The crust is, of course, made from sweet and mild graham cracker. In order to make this, you need some way of finely chopping the graham into a dust that you can spread over the baking dish. The easiest, fastest and best way to do this is with a food processor. If you don’t have a food processor, I have two tips for you. One is to go get a food processor. You can get them for under $50 or over $500. You know, whatever your budget is. 🙂

The second tip, if you don’t like the first one, or if you want to make these peanut butter smores brownies before your Prime delivery is to use a rolling pin. Now, I know a lot of people who have food processors and don’t have a rolling pin. I’m not sure of the statistics on people with rolling pins who don’t have food processors. Just know that rolling pins are effective at crushing graham crackers in a fairly uniform fashion. Do me a favor and let me know which method you end up using.

A close up photo of a peanut butter s
mores brownie on a white plate with melted marshmallows, peanut butter chips and chocolate chips.

How to Cream Butter and Sugar

Creaming butter and sugar is an important skill to get right. If you bake a lot or plan to start baking a lot, then learn this technique. It will make you appear knowledgeable and impressive. When you cream butter and sugar it’s about much more than simple distribution or dissolution of the sugar. What it really does is create pockets of air that are critical to the outcome of the brownie. These air pockets create a leveling effect that will give the finished brownies some wonderful lift.

Start with the butter. Make sure it’s come up to room temperature before you proceed. Beat the butter alone for about 30 seconds at a low speed. Then add the sugar and beat on high speed until the mixture becomes pale and fluffy. Use a stand mixer with a paddle attachment for best results and remember to scrape the sides occasionally.

A Slow Build to a Grand Finale

This is a very simple-to-make recipe with an incredible outcome. The most important part of making these phenomenal peanut butter smores brownies is the gradual mixing. It’s essential that you take the appropriate amount of time as you mix and add ingredients so that each portion of the job gets made to perfection.

The Best Way to Chop A Peanut Butter Cup

It’s harder than you’d think to chop a peanut butter cup. This recipe called for mini-sized cups. You can chop up the peanut butter cups at room temperature with a sharp knife, but you will have to be delicate with them as they are somehow simultaneously crumbly and melty. To give yourself something to work with, I recommend chilling your peanut butter cups in the refrigerator for about an hour before you take a knife to them. This will help them stay intact and make less mess.

A close up photo of a bite of peanut butter s'mores brownies on a fork held above a brownie on a white plate.

How to Know Your Brownies are Done

Before you add the glorious marshmallow top you need to make sure the brownie has cooked through to the center. The way to do that is with a little jiggle. You can always use a knife, but that is best to double-check after you’ve already removed the brownies from the oven. To get an idea of how cooked through a brownie is before you take it out is to see if the center jiggles at all when you shake the baking dish. If it’s set, it’s okay to take it out and insert a knife to see if it comes out clean just to be sure.

How to Cool Your Peanut Butter S’mores Brownies

When you have finished baking the brownies try to resist cutting into them right away. Give them at least 5 minutes to cool. A wire rack is the best place for cooling as it promotes the circulation of cool air around the pan. These brownies are delicious, warm, or cold, depending on what your preference is.

Ingredients to Make Peanut Butter S’mores Brownies

  • Graham crackers, crushed
  • Sugar
  • Butter, melted
  • Mini marshmallows
  • Chocolate chips
  • Peanut butter chips
  • Flour
  • Baking powder
  • Cocoa
  • Vanilla
  • Eggs
  • Milk
  • Mini Reese’s® Peanut Butter Cups

(Actual measurements are in the recipe cared below.)

A double collage photo of a peanut butter s'mores brownies on a white plate and the other photo is a bite of brownie on a fork.

How to Make Peanut Butter S’mores Brownies

Step-by-Step Instructions

Step 1 – Prep

Preheat oven to 350° and lightly spray a 9 x 13 glass baking dish with a non-stick cooking spray and set aside.

Step 2 – Making a Crust

Using a food processer, add 15 graham cracker and chop until finely crushed, or place in a large baggie and crush with a rolling pin. In a small bowl, add graham cracker crumbs, melted butter, and ½ cup of sugar. Mix well.

Add the graham crackers crumb mixture to prepared pan. Spread evenly and press down firmly. Set aside.

Step 3 – Making the Brownie Batter

In a large bowl, cream together butter and sugar until light and fluffy. In a separate bowl, whisk together flour, baking powder, and cocoa. Add the flour to the butter mixture and use an electric mixer to mix ingredients until well combined. Next add in milk and vanilla. Add in eggs, one at a time, mixing well after each addition. Stir in chopped peanut butter cups and then pour brownie batter mixture onto the graham cracker crust and spread evenly.

Step 4 – Baking the Brownies

Place in the oven and bake for 22-25 minutes or until the center is cooked and a toothpick inserted comes out clean. Remove from oven and turn broiler to low.

Step 5 – Marshmallow Topping

Evenly spread marshmallows over the brownies. Sprinkle chocolate chips and peanut butter chips on top of the marshmallow and place back in the oven. Broil just until the marshmallows start to brown and the chips start to melt.

Try These Delicious Peanut Butter Smores Brownies Today

A 3 collage photo of peanut butter s'mores brownies on a white plate showing the different angles of this dessert.

Here are a few more delicious recipes that can be found on the blog:

  • Homemade Honey Buns
  • Apple Fritters
  • Mini Red Velvet Cakes
  • Carrot Cake

And here is a delicious Caramel Bread Pudding from Great Grub, Delicious Treats that you might enjoy as well.

Peanut Butter Smores Brownies

A delicious combination of peanut butter, s'mores and brownies all in one scrumptious dessert.
4.20 from 5 votes
Print Pin
Course: Dessert
Cuisine: American
Keyword: Brownies, Peanut Butter Brownies, peanut butter s’mores brownies, S’mores
Prep Time: 20 minutes
Cook Time: 25 minutes
Total Time: 45 minutes
Servings: 12 large
Author: Deliciously Seasoned

Ingredients

For the Graham Cracker Crust

  • 1 package graham crackers, crushed
  • ½ cup sugar
  • 6 tablespoon butter, melted

For the Brownies

  • 1½ cup flour
  • 1 teaspoon baking powder
  • ½ cup cocoa
  • 1 cup butter, softened
  • 2 cup sugar
  • 2 teaspoon vanilla
  • 3 eggs
  • ¼ cup milk
  • 10 ounce mini marshmallows
  • ½ cup chocolate chips
  • ½ cup peanut butter chips
  • 1 cup mini peanut butter cups, chopped

Instructions

  • Preheat oven to 350 degrees and lightly spray a 9 x 13 glass baking dish with a non-stick cooking spray. Set aside.

For the Graham Cracker Crust

  • Using a food processer, add 15 graham cracker sticks and chop until finely crushed, or place in a large baggie and crush with a rolling pin.
  • In a small bowl, add graham cracker crumbs, butter, and ½ cup of sugar. Mix well.
  • Add the graham cracker crumb mixture to prepared baking dish. Spread evenly and press down firmly. Set aside.

For the Brownies

  • In a large bowl, cream butter and sugar together until light and fluffy.
  • In a medium bowl, whisk flour, baking powder, and cocoa.
  • Add the flour mixture to the butter mixture and using an electric mixer, mix ingredients until well combined.
  • Next, add milk and vanilla. Mix well.
  • Add in eggs, one at a time, mixing well after each addition.
  • Stir chopped peanut butter cups into the batter and then pour batter mixture onto the graham cracker crust and spread evenly.
  • Place in the oven and bake for 22-25 minutes or until the center is cooked through.
  • Remove from oven and turn broiler to low.
  • Evenly spread marshmallows over the brownies. Sprinkle chocolate chips and peanut butter chips on top of the marshmallows and place back in the oven.
  • Broil just until the marshmallows start to brown and the chips start to melt. Be careful as they burn very quickly.
  • Remove from oven and let cool for 5-10 minute before serving.

Here are a few pics that are the perfect size for pinning to Pinterest.

A single brownie on a white plate with peanut butter chips and chocolate chips along side the peanut butter s'mores brownies.
A serving of Peanut Butter S'mores Brownies on a white plate with a bite on a fork being held up above the brownie.

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Hi and welcome to Deliciously Seasoned! We are Halie and Nikki, the faces behind Deliciously Seasoned, along with our mom, Terri, owner of Great Grub, Delicious Treats. We have been working full time with our mom and wanted to start another food blog. We are so happy you have stopped by and hope you enjoy all of our recipes.

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Hi and welcome to Deliciously Seasoned! We are Halie and Nikki, the faces behind Deliciously Seasoned, along with our mom, Terri, owner of Great Grub, Delicious Treats. We have been working full time with our mom and wanted to start another food blog. We are so happy you have stopped by and hope you enjoy all of our recipes.

More about us →

  • Instagram
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Join Deliciously Seasoned and get great recipes in your inbox!

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