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You are here: Home / Desserts / Peanut Butter Cup Brownies

Peanut Butter Cup Brownies

April 11, 2020 By Jere Cassidy 23 Comments

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Whenever I’m feeling stressed, I turn to my two comfort foods — peanut butter and chocolate. These fudgy Peanut Butter Cup Brownies are the perfect combination! Imagine a gooey chocolate brownie with a peanut butter cup in the middle. I don’t know about you, but that’s exactly what I need right now.

baked brownies

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This dessert is incredibly easy to make because I used a brownie mix from a box.

What?! I used a box brownie mix? But I run a baking blog!

That’s right! And as a baking blogger, I hereby give you permission to make brownies (or anything you like) from a box mix. Mixes are easy, quick, and affordable. Also, brownie mixes taste really good, especially when you mix in peanut butter cups and chocolate chips. If you’re busy or just don’t have the energy to cook, a box mix is a great option.

If you do want to make these brownies from scratch, just substitute the box mix with your favorite recipe! No matter what mix you use you will have a tasty dessert with a winning combination of flavors.

6 ingredients for a decadent dessert

ingredients

Your shopping list

This easy brownie recipe uses a few ingredients that you’ll find in your pantry. To make them, you’ll need:

  • A box of brownie mix
  • Vegetable oil
  • Eggs
  • Water
  • Chocolate chips
  • Peanut butter cups

Fun brownie facts

  • Brownies are considered a bar cookie
  • Brownies are an American dessert
  • Of all places, the first brownie recipe was published in 1897 in the Sears catalog

Let’s bake some brownies

The great thing about this recipe is it takes no time to make so it’s perfect for those times you want a quick dessert.

Step 1. To make this easy recipe, start by unwrapping your peanut butter cups. You’ll need to set aside eight for the brownies, but feel free to eat the rest.

Step 2. Beat the eggs in a small bowl.

mixing the batter

Step 3. In a large bowl, combine the brownie mix, oil, beaten eggs, and water. Mix until ingredients are just combined.

Step 4. Add in the chocolate chips!

mixing the chocolate chips into batter

Step 5. Grease an 11″ by 8″ baking dish. Pour half of your brownie batter into the pan and spread into the pan. Now layer in your eight peanut butter cups. Pour in the rest of the batter and spread over the pan, then put the pan in the oven to bake.

batter in baking pan

Step 6. Bake these brownies for 25 to 30 minutes. They’ll need to cool for a few minutes, but they’re best eaten warm right out of the pan.

Indulge in the warm chocolate and peanut buttery goodness. I swear these brownies will make you forget about all the stress and worries in your life. Enjoy!

The two best flavors ever

brownies

More easy One Hot Oven recipes for you to enjoy

Want to make more chocolate desserts? 

Nothing but chocolate with this Chocolate Cake Torte.

Decadent Chocolate Chips Cookies are rich and chewy.

Want more nutty desserts, One Hot Oven has them too!

Peanut Butter Cupcakes With Caramel Frosting is just plain decadent and honestly droolworthy.

If muffins are your thing try these easy to make Peanut Butter Chocolate Chip Muffins.

Baking Tips

  • You can definitely use the mini-sized peanut butter cups, just space them out depending on the size of your baking dish.
  • For the baking dish, I do not suggest any dish larger than 11″ x 8″, otherwise, you will not have enough batter for the two layers. Even though the box says you can use a 13″ x 9″ pan that is too big.
  • Store the brownies in an airtight container for up to four days.
  • Add some espresso powder for some more in-depth flavor.
  • Try chopping the peanut butter cups and layering them over the batter
  • Instead of adding chocolate chips to the batter add white chocolate chips

A great dessert needs a pretty baking dish, this classic white 11 x 8 baking pan is the perfect size for dessert.

brownies
Print Pin
4.54 from 13 votes

Easy To Make Peanut Butter Cup Brownies

If you love the classic flavors of peanut butter and chocolate this is the easiest to make dessert that combines both flavors into a delicious chewy brownie bite.
Course Dessert
Cuisine American
Keyword how to make peanut butter brownies, how to make peanut butter cup brownies
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 8 slices
Calories 325kcal
Author Jere Cassidy

Equipment

  • 11 x 8 baking dish
  • Mixing bowl

Ingredients

  • 1 18 oz brownie mix (box)
  • 1/3 cup vegetable oil
  • 2 eggs beaten together
  • 1/3 cup water
  • 1/2 cup chocolate chips
  • 8 peanut butter cups

Instructions

  • Preheat oven to 350° F
  • Prepare a baking dish that will hold 8 peanut butter cups. I use an 11" x 8" dish. Grease the bottom of the dish.
  • Unwrap eight peanut butter cups from their wrapper and set aside.
  • In a large bowl add the brownie mix, water, oil and the beaten egg and mix until just blended.
  • Stir in the chocolate chips
  • Pour half of the brownie batter into the baking pan, then top with the eight peanut butter cups. Pour the rest of the brownie batter over the top of the peanut butter cups and spread to cover.
  • Bake the brownies for 25 - 30 minutes. When done let cool slightly then cut the brownies into 8 slices.

Notes

Mini peanut butter cups can also be used, just space them apart on top of the first layer of batter and top with the second layer of  batter.
One Hot Oven provides approximate nutritional information as a courtesy and cannot guarantee the accuracy for any recipe on this blog.

Nutrition

Serving: 1slice | Calories: 325kcal | Carbohydrates: 40g | Fat: 17g | Cholesterol: 43mg

cut brownies

If you love baking as much as I do or may you need to give a gift for the foodie lover, Cratejoy has a fun subscription box full of all the ingredients to make delicious baked goods. This Fresh Baked Cookie Crate is always tasty.

Thank you for stopping by the One Hot Oven blog.  Please leave a comment to say Hello or just let me know what you are baking these days.

About Jere’

From learning to cook on a farm in Indiana to culinary school in California,  my passion for food is never-ending.  Turning on my oven to bake something for friends and family is my happy place, and I am glad to be here at One Hot Oven sharing both sweet and savory recipes with all my baking friends.

Have any questions or just want to chat about the recipe? Contact me here, and I’ll be happy to help!

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Reader Interactions

Comments

  1. Sophie

    April 21, 2020 at 8:40 pm

    5 stars
    These look so so perfect and delicious. I will make this tomorrow as Wednesday is our official brownie day! Thanks for the recipe.

    Reply
    • Jere Cassidy

      April 22, 2020 at 7:48 pm

      I think I need an official brownie day too!

      Reply
  2. Lathiya

    April 20, 2020 at 3:05 pm

    5 stars
    The peanut butter cup inside a brownie is a genius idea. I loved this interesting brownie recipe.

    Reply
  3. Alexis

    April 20, 2020 at 11:50 am

    5 stars
    Oh goodness, chocolate and peanut butter a my total weakness. I’ll definitely be making these this week while baking like a mad woman to not go crazy during quarantine.

    Reply
    • Jere Cassidy

      April 22, 2020 at 7:49 pm

      Luckily, I can find boxes of brownie mix so we have made this recipe several times while we are stuck at home.

      Reply
  4. Julie @ Running in a Skirt

    April 20, 2020 at 10:57 am

    5 stars
    You had me at peanut butter!! What a great flavor combination. This looks so tasty. Love your easy instructions too.

    Reply
  5. Joyce

    April 20, 2020 at 6:32 am

    all of my favourite things together!! Looks so decadent and delicious! Thanks for sharing

    Reply
  6. Sondra Barker

    April 18, 2020 at 10:56 pm

    Wow these sound so delicious! I love that you made them so simple by using the brownie mix!

    Reply
    • Jere Cassidy

      April 19, 2020 at 9:19 am

      I thought this would be a good, quick recipe and perfect for kids to make.

      Reply
  7. Amy Liu Dong

    April 18, 2020 at 8:29 pm

    Wow, this is so delicious, chocolate and peanut butter are a perfect flavor in making brownies.

    Reply
    • Jere Cassidy

      April 19, 2020 at 9:21 am

      It is a perfect pairing.

      Reply
  8. Jacqui DeBono

    April 18, 2020 at 7:02 pm

    5 stars
    Whilst I am not keen on peanut butter on its own, I love it in a brownie! And the kids will devour these!

    Reply
    • Jere Cassidy

      April 19, 2020 at 9:21 am

      This is a great kid recipe and perfect for kids to make.

      Reply
  9. Alena

    April 18, 2020 at 2:13 pm

    5 stars
    You combined two of my favorite desserts – peanut butter cups and brownies! I’m loving this creative and delicious recipe!

    Reply
    • Jere Cassidy

      April 19, 2020 at 9:22 am

      We feel the same. My family is in love with these brownies.

      Reply
  10. Gail Montero

    April 18, 2020 at 1:32 pm

    5 stars
    I love and would thoroughly enjoy the double delights of peanut butter and chocolate in this fabulously tasty brownies!

    Reply
  11. Alisa Infanti

    April 17, 2020 at 7:19 am

    5 stars
    My kids loved these! My son made these for us since he has started baking while at home and they were eaten up same day!

    Reply
    • Jere Cassidy

      April 19, 2020 at 9:23 am

      Glad to hear your son is baking. This is definitely a kid-friendly recipe.

      Reply
  12. Kacie Morgan

    April 17, 2020 at 2:43 am

    5 stars
    Chocolate and peanut butter is a delicious combination. Your brownies look so rich and moist – they’re making me drool!

    Reply
  13. Marta

    April 16, 2020 at 8:48 am

    This has my two favorite sweets of all time: brownies and peanut butter cups. I’m making this for our family movie night dessert.

    Reply
    • Jere Cassidy

      April 16, 2020 at 10:56 am

      I know chocolate and peanut butter are just perfect!

      Reply
  14. Stine Mari

    April 15, 2020 at 2:36 am

    5 stars
    I sometimes like the convenience of using a box of brownies too. Especially if I could have them with peanut butter cups too, yum!

    Reply
    • Jere Cassidy

      April 16, 2020 at 11:00 am

      I actually have a box of brownies sitting on my counter. I think my husband is giving me a suggestion to make them for him.

      Reply

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Welcome, I am Jerè

the baker at One Hot Oven. I love sharing recipes both sweet and savory that inspire you to bake at home. Food has a way of bringing us all together, from a simple batch of cookies to a three-tier cake. It is important to gather your family and friends around the table over delicious food, great conversation, joy, and laughter. Let’s bake something wonderful.

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