The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (2024)

This recipe for mini Peanut Butter Cup Brownies is kind of like what would happen if you crossed brownies with Reese’s peanut butter cups. Instead of a milk chocolate shell, imagine swapping in a brownie instead. Whoa! Pull out your favorite boxed mix brownies and make this delicious, peanut buttery, chocolate treat in no time!

The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (1)

Chocolate + Peanut Butter = The Best Kind of Dessert!

When you think of love, what do you think of? Hearts? Candy? Kisses? Or if you’re like me…CHOCOLATE!

I love, love, LOVE chocolate.

I love chocolate so much that my mom told me that as a baby I wouldn’t drink white milk so she added a little…you guessed it…Hershey’s Syrup to my bottle! haha! I have no idea why I have this addiction, er…I mean, love of chocolate!

As a matter of fact, I told my husband today that I loved him MORE THAN chocolate. And, he took it as a compliment because he knows just how much I love the dark, creamy, sweet stuff.

And these Peanut Butter Cup Browniesrank right up there with my all-time favorite desserts!

(If you love peanut butter, you’ll also love my No-Bake Peanut Butter Bars!)

Peanut Butter Cup Brownie Recipe

The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (2)

So, when looking at my favorite inspiration site, Pinterest, whendecidingwhatto make for dessert for dinner with friends last week, I knew that I had to make these yummy Peanut Butter Cup Brownies I’ve been eyeing lately.

And, I’ve got to tell ya…they were worth every. single. calorie.

The recipe I found called for you to make your own homemade brownie mix for these, but I used my favorite go-to boxed brownie mix instead.

The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (3)

Ingredients + Variations

Here’s what you’ll need to make these mini Peanut Butter Brownies:

  • Boxed brownie mix – Use your favorite variety!
  • Peanut butter – Again, use whatever you like best, whether it’s smooth and creamy, natural, or chunky.
  • Semi-sweet chocolate chips – You could swap in mini chocolate chips or milk chocolate chips, too.
  • Peanut butter morsels – Or double the amount of chocolate chips. It’s up to you!

Since this Peanut Butter Brownie recipe is one of my faves, I have a bunch of variations to share with you if you want to mix things up a bit. Try:

  • Using chopped peanuts instead of or in addition to the peanut butter morsels
  • Melting some chocolate chips, then drizzling the chocolate over the tops of the brownies once they’ve cooled
  • Chopping some mini Reese’s peanut butter cups and using those as a topping instead of the chips
  • Using mini Reese’s Pieces as a topping
  • Dusting the brownies with powdered sugar

The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (4)

How to Make Mini Peanut Butter Cup Brownies

1. Prepare

Preheat the oven to 350ºF and grease a 12-cup muffin tin.

2. Make the Brownies

Follow the instructions on the boxed brownie mix and make the brownie batter. Divide the batter into the 12 muffin cups, then bake for about 20 minutes, or until a toothpick inserted into the center comes out mostly clean, with only a few crumbs sticking to it.

3. Add the Peanut Butter

Let the brownies cool for a few minutes, then press the back of a spoon into the centers to create an indentation. Warm the peanut butter in the microwave until it’s smooth, then spoon a small amount into each indentation.

4. Top the Brownies

Sprinkle the chocolate chips and peanut butter chips over the tops of the brownies, then allow them to cool completely.

The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (5)

FAQ

How do you store Peanut Butter Brownies?

Store your brownies in an airtight container at room temperature. They’ll last for about 3 days, although you’ll probably eat them way before that!

Should I make the recipe for fudgy brownies or cake brownies on the package?

If your boxed brownie mix has recipes for cake brownies and fudgy brownies on the back, go with the fudgy recipe. It’s better for holding the peanut butter!

The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (6)

The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (7)

I’ve found I get much more compliments on using a box mix than when I make the best homemade recipe I have.

So, run to the pantry and pull out your favorite brownie mix, peanut butter, chocolate and peanut butter chips and get started.

These are soooooo worth it!

More Peanut Butter Recipes to Try

If you love this recipe for peanut butter brownies, try these peanut butter desserts next:

  • Peanut Butter Cookies
  • No-Bake Old-Fashioned Peanut Butter Balls
  • No Bake Peanut Butter Pie
  • Peanut Butter Kiss Cookies
  • Chocolate Peanut Butter Pie

The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (8)

The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (9)

Peanut Butter Cup Brownies

Peanut Butter Cup Brownies! Pull out your favorite boxed mix brownies and make this delicious, peanut buttery, chocolate treat in no time!

3.92 from 46 votes

Pin RecipeSave RecipeRate RecipePrint Recipe

Course: Dessert

Cuisine: American

Author: All Things Mamma

Servings: 24

Prep Time: 5 minutes minutes

Cook Time: 20 minutes minutes

Total Time: 25 minutes minutes

Ingredients

  • 1 box of your favorite boxed brownie mix
  • 1/4 cup of peanut butter
  • semi-sweet chocolate chips
  • peanut butter morsal chips

Instructions

  • Preheat oven to 350 degrees

  • Grease a 12 cup cupcake pan or a mini muffin tin if you prefer bite size

  • Prepare brownies as directed on box

  • Spoon the brownie mix evenly into tin. I use an ice cream scoop or mini scoop for even amounts.

  • Bake as directed for about 20 minutes or until a cake tester inserted in the center comes out mostly clean with a few crumbs.

  • Allow to cool for a few minutes and then use the back of a spoon to create an indentation in the center of the brownies.

  • Melt peanut butter in the microwave for 30 secs and stir until smooth.

  • Spoon a small amount into each indentation.

  • Top with both chocolate and peanut butter chips.

  • Cool in pan and then remove to a wire rack to harden up.

  • Keep in a sealed container unless you eat them right away...which you will!!

Video

Did you make this recipe?Mention @kasey_allthingsmamma or tag #allthingsmamma!

*Recipe adapted from here.

The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (10)

Categories: , Recipes

About Kasey Schwartz

For over 15 years, Kasey Schwartz, the mastermind behind All Things Mamma, has been the ultimate go-to for mouthwatering family recipes. Her work has been featured on Today.com, Buzz Feed, Better Homes and Gardens, and more, making her your go-to mom next door for all things delicious and family-friendly.

Read More About Me

The EASIEST Peanut Butter Brownie Recipe | All Things Mamma (2024)

FAQs

What can I add to brownies to make them better? ›

Stir in semisweet chocolate chips, white chocolate chips, dark chocolate chunks, and shards off the block for a chocolate brownie that's even more chocolaty. If you have leftover holiday treats, crumble in candy bars, peppermints, chopped candied ginger, or crushed cookies.

How do you make brownie mix richer? ›

One change is to use milk or heavy cream instead of water. This change will make brownies more moist and gooey since milk is more fatty and flavorful than water. A second change is to use butter instead of oil. For similar reasons to using milk, butter adds a rich and more decadent quality to the batter.

What are Katharine Hepburn brownies? ›

The brownies are made with unsweetened chocolate, which is also known as baking, plain or bitter chocolate. It is chocolate in its rawest form and this means that unsweetened chocolate is just ground cocoa nibs that have been refined and contain between 50-55% cocoa butter (cacao fat).

What brownie mix is just add water? ›

Super Fudge Brownie Mix (Just add Water!)

Move over Betty Crocker, this Super Fudge Brownie mix only requires water before it hits the oven and bakes into scrumptious Thick Chewy Fudge Brownies!

How to jazz up brownies? ›

Add Some Fruit. I love folding fresh raspberries or strawberries to the batter before baking. Something about the combination of dark chocolate and sweet, tart berries just works. You could use a nice fruit jam instead; dollop a couple of tablespoons on top of the brownie batter and swirl it in before baking.

What does adding an extra egg to brownie mix do? ›

If you want to get a little more creative with your brownie mix hacks, add an extra egg to the batter. The extra protein will help thicken up the batter and make it fluffier, creating a more decadent, fudgy texture. You can also add the yolk by itself in addition to the 2 eggs a box brownie mix typically calls for.

How to pimp Betty Crocker brownie mix? ›

Add a Swirl

Dollops of decadent fillings can add major visual impact and rich flavor to a regular ol' pan of brownies. Cheesecake marbling is a natural fit, but peanut butter, cookie butter, caramel and marshmallow swirls are equally delicious.

Is it cheaper to buy brownie mix or make from scratch? ›

It was about three times more expensive to make the brownies from scratch than to use a mix, owing mostly to the cost of chocolate and walnuts.

Can I add vanilla extract to my brownies? ›

Use a dash of vanilla.

It's the key to making almost every baked good taste homemade. Adding a teaspoon of it to your batter won't make it taste like vanilla, but it will give your brownies an extra layer of flavor. You can also swap the vanilla for something more potent, like almond extract or mint extract.

What is in brownies on the moon? ›

Description. The most delicious brownies are combined with premium high-quality chocolate cream and vanilla ice cream to give you an experience that is out of this world!

Is a brownie an elf or a fairy? ›

No, not the delicious baked good! The small, wrinkled, brown elves specific to Scotland. Brownies are usually gentle household elves with large eyes and ears who hide during the day and do not often interact with humans. They come out at night when everyone is sleeping to perform chores, like tidying up.

Why are they called blonde brownies? ›

The name 'blondies' comes from their light color, which contrasts with the dark color of traditional brownies.

What does adding milk instead of water do to brownies? ›

Brownie recipes traditionally call for water as it serves as a neutral liquid that hydrates the dry ingredients. However, using milk instead of water can impart a creamier texture and richer flavor to your brownies. The milk's fat content adds a smoothness that water cannot provide, resulting in a more indulgent treat.

Can I add coffee instead of water to brownie mix? ›

If you already have a favorite brownie recipe, try adding one to two tablespoons of instant espresso in with the wet ingredients. If you're making brownies from a boxed mix, you can substitute brewed coffee for the water, or simply add espresso powder in with the dry ingredients.

Can I use water instead of eggs in brownies? ›

A simple combination of water, baking powder, and vegetable oil mimics eggs almost to a T. It's a great option for cookies, quick breads, and brownies.

How do you upgrade a box of brownies? ›

Coffee enhances the chocolate flavor without making the brownies taste like coffee.
  1. Add 2 teaspoons of vanilla extract. ...
  2. Bake the brownies until the toothpick has moist crumbs, but no batter. ...
  3. Sprinkle flaky sea salt over the top of the brownies. ...
  4. Cut the brownies with a buddy knife.
Oct 28, 2022

How to enhance chocolate flavor in brownies? ›

Adding a small quantity of espresso powder to your brownies enhances the flavor of the chocolate, adding additional richness and depth.

Is milk or water better for brownies? ›

Brownie recipes traditionally call for water as it serves as a neutral liquid that hydrates the dry ingredients. However, using milk instead of water can impart a creamier texture and richer flavor to your brownies. The milk's fat content adds a smoothness that water cannot provide, resulting in a more indulgent treat.

Can I use butter instead of oil in brownie mix? ›

You can absolutely substitute butter for the vegetable oil. Use the same quantity specified in the directions (for example, if it calls for 1/3 cup of oil, use 5 1/3 tablespoons of butter). Melt it down, then let it cool a bit. You might not ever go back to oil!

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