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 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).

Can you use peanut butter instead of eggs in brownie mix? ›

Using Egg Substitute for Brownies: You can pretty much use any of the substitutes listed above like bananas, apple sauce, peanut butter, flax, or chia eggs.

How to pimp brownies? ›

Add mix-ins like cookies and candies.

Cookies, candies, and nuts make especially great add-ins. Oreos, mini peanut butter cups, candy sprinkles, mini Snickers bars, pecans, walnuts… just imagine all the possibilities! Add these pieces to your mixed batter and incorporate gently.

What can I add to brownie mix to make it taste better? ›

Swirl in Some Good Stuff

Dollop cream cheese, fruit jam, pumpkin puree, peanut butter or caramel over brownie batter. Spoon it into the pan, then cut through the batter to create this wow-worthy effect. Your dessert will be prettier and tastier than every other treat on the table.

What is a Little Debbie brownie? ›

Chewy 4 oz. chocolatey brownie topped with a chocolatey frosting and color candy coated chocolate pieces. The Little Debbie® Vending Cosmic Brownie is a chewy 4 oz brownie topped with chocolatey icing then sprinkled with colorful candy-coated pieces to make it simply out of this world!

Why are they called blonde brownies? ›

They're called blondies because they lack the brown cocoa powder of brownies. They're blonde with vanilla and brown sugar, not brown.

How much peanut butter to replace an egg? ›

Nut butter

Nut butter like peanut, cashew, or almond butter can also be used to substitute eggs in most recipes. To replace one egg, use 3 tbsp (60 g) of nut butter. This may affect the flavor of your finished product, and it's best used in brownies, pancakes, and cookies.

Can I use sour cream instead of eggs in brownies? ›

One egg can be replaced by ¼ cup of sour cream.

Does brownie batter taste the same without eggs? ›

It tastes exactly like regular brownies, but it's perfect if you're out of eggs or avoiding them because of an allergy. These eggless brownies are a staple in my house. Keep reading for the best way to make a boxed mix of brownies without eggs.

What happens when you add an extra egg to brownie mix? ›

They give brownies a lighter, drier, and more cake-like texture. If you prefer this over the chewy variety, then go ahead and crack in that additional egg. On the other hand, too many eggs will yield brownies that are hard, heavy, and tough.

What happens if you use milk instead of water in brownie mix? ›

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.

How do you doctor up a box brownie mix? ›

Add a teaspoon of instant coffee or espresso powder. Throw in a handful of nuts—pecans, walnuts, macadamia, whatever you have on hand. Scoop in a palmful of dried or frozen fruit. Add an extra splash of the top-shelf vanilla extract, or a dab of vanilla paste, or a dash of vanilla powder, to the batter.

Is it better to make brownies with butter or oil? ›

Note that while some brownie recipes do call for melted butter instead of oil, the butter can aerate the batter, altering the texture of the brownies and making them cakey rather than fudgy. So, while you can substitute butter for oil and vice versa, remember that it might alter the texture.

What makes brownies fudgy or cakey? ›

Fudgy brownies have a higher fat-to-flour ratio than cakey ones. So add more fat—in this case, butter and chocolate. A cakey batch has more flour and relies on baking powder for leavening. The amount of sugar and eggs does not change whether you're going fudgy or cakey.

What are brownies in folklore? ›

brownie, in English and Scottish folklore, a small, industrious fairy or hobgoblin believed to inhabit houses and barns. Rarely seen, he was often heard at night, cleaning and doing housework; he also sometimes mischievously disarranged rooms.

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!

Why are they called brownies? ›

Brownies are thought to be of US origin, the name derived from their color (brown) and from the mythical pixie-like characters common in children's stories from the same time period. One story suggests that brownies were invented at the Palmer House in Chicago in 1892.

Is an elf a brownie? ›

House elves also resemble brownies in appearance, being small, but they have larger heads and large, bat-like ears. Rowling's books also include boggarts, which are sometimes traditionally described as brownies turned malevolent.

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