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    Home » Dessert » Bars

    Peanut Butter Cup Cookie Bars

    Updated: Mar 20, 2024 · by Tonia Larson

    This post may contain affiliate links.

    ↓ JUMP TO RECIPE

     Peanut butter cookie bar recipe is topped with Reese’s Peanut Butter Cup Minis. This is another cake mix recipe that is easy to make and tastes delicious!

    Reeses Peanut Butter Cup Magic Crust Cookie Bars
    It’s still National Peanut Month so let the peanut butter love continue, right? I made these bars a couple of weeks ago to bring to a friend’s house. Yesterday I started making another peanut butter dessert because my two sisters who live out of state are coming home for a visit! Woohoo!

    It isn’t quite done so I am sharing the bars first and will share the other dessert next week. I know I said I am watching what I eat and eating healthier! That is still true and that is also why I make delicious treats like this to share with others!

    Crunchy Peanut Butter

    My husband is the biggest peanut butter fan I know. He’s loved it since he was a kid and it is one of those things that everyone knows about him. His friend’s parents and even some of their grandparents would keep crunchy peanut butter in their cupboards for when he came to visit. Once when we were dating my friends gathered up a bunch of the individual sized peanut butter packets from eating out at restaurants and presented them to him as a joke. His favorite is crunchy peanut butter but I like both the creamy and the crunchy.

    A friend of mine has a slight addiction to dipping carrots and celery in creamy peanut butter. She is doing her best to spread her fondness for the combination far and wide. So, what does that have to do with these bars? Nothing really, but that is what this spoonful of peanut butter made me think of.

    Peanut Butter Magic Crust

    Mix together a white cake mix, peanut butter (creamy or crunchy), canola oil, and an egg. It ends up looking pretty crumbly.

    Magic Cookie Crust

    Press the mixture into the bottom of a 9×13 inch foil lined, greased pan.

    Add Chocolate Chips

    Top the crust with peanut butter chips and chocolate chips.

    Reeses Peanut Butter Cup Magic Crust Cookie Bars

    Hello lovely little Reese’s Peanut Butter Cup Minis! Anyone else love these as much as I do?

    Add Reese's Peanut Butter Cup Minis

    Yep, you guessed it right…dump them on top of the baking chips.

    Sweetened Condensed Milk Bars

    Pour sweetened condensed milk over everything and pop it in the oven.

    Cut Reese's Peanut Butter Cup Cookie Bars

    I love these easy cookie bar recipes! They are so much faster than making individual cookies. Just put it all in the pan and bake.

    Peanut butter cookie bars.

    Peanut Butter Cookie Bars

    Reese's Peanut Butter Cup Minis are the perfect size for this peanut butter cookie bar recipe. This is another cake mix recipe that is easy to make and tastes delicious!
    4.60 from 10 votes
    ↑ Click stars to rate!
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    Prep Time: 10 minutes minutes
    Cook Time: 25 minutes minutes
    Total Time: 35 minutes minutes
    Servings: 20
    Prevent your screen from going dark

    Ingredients

    • 15.25 oz white cake mix
    • ½ cup peanut butter
    • ¼ cup vegetable oil
    • 1 large egg
    • 1 cup peanut butter chips
    • 1 cups semi sweet chocolate chips
    • 1 cup Reese's Peanut Butter Cup Minis
    • 14 oz sweetened condensed milk

    Instructions

    • Preheat oven to 350°F.
    • Mix together the cake mix, peanut butter, canola oil and the egg.
    • Press the mixture into the bottom of a 9×13 inch foil lined, greased pan.
    • Top the crust with peanut butter chips, chocolate chips and peanut butter cup minis.
    • Pour sweetened condensed milk over everything.
    • Bake at 350°F for about 25 minutes.
    • Allow the bars to cool completely before removing the foil and cutting them.

    Nutrition

    Serving: 1slice | Calories: 373kcal | Carbohydrates: 44g | Protein: 8g | Fat: 20g | Saturated Fat: 7g | Polyunsaturated Fat: 12g | Cholesterol: 20mg | Sodium: 201mg | Fiber: 2g | Sugar: 36g
    Course: Dessert
    Cuisine: American
    Author: Tonia Larson

    Peanut_Butter_Recipes

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    About Tonia Larson

    Hi! I’m Tonia, the owner and recipe creator at The Gunny Sack, where I’ve shared easy recipes for busy people for 14+ years! My family-friendly meals, easy side dishes, and delicious desserts include mouthwatering photos, dynamic videos, and step-by-step instructions to help you cook at home.

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    Comments

      4.60 from 10 votes (9 ratings without comment)

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      Recipe Rating




    1. brenda dungan says

      July 22, 2013 at 12:25 pm

      I had these bars at a reunion and they were wonderful. Made with crunchy pb and they left off the reseese minis on top. Have looked for this recipie for 3 weeks and finally got it. Yum Yum

      Reply
    2. Christa says

      July 14, 2013 at 3:38 pm

      Any suggestions on using something other than condensed milk on top? That’s the only part that’s turning me off. Also, I plan to chop up the regular sized Reese’s cups as I like the peanut butter part better than chocolate and I’m going to omit the pb chips 🙂

      Reply
      • Tonia says

        July 14, 2013 at 11:52 pm

        Hi Chista,
        The condensed milk turns to caramel so I would suggest using caramel if you don’t want to use sweetened condensed milk. I am not sure about the amounts because I have never tried it but I would love to hear how it turns out!
        ~Tonia

        Reply
    3. Sherri says

      July 8, 2013 at 8:23 pm

      Just dropping in with some nutrition info input! I calculated all of it because I wanted to know exactly how bad these were for him before I sent them off to my boyfriend xD.

      I used Duncan Hines white cake mix; Great Value brands of smooth peanut butter, sweetened condensed milk, and 100% canola oil; Reese’s Peanut Butter Chips and Mini Cups; Hershey’s semi-sweet chocolate chips; and a regular egg. This is assuming they’re cut into 16ths.

      411 Calories — 171 from fat
      19g fat — 8g saturated fat
      55g carbs — 40g from sugars
      7g protein

      245 mg Sodium
      136 mg Potassium

      1.3% of Calcium
      1.6% of Iron
      .5% of Vit. A
      2.5% of Vit. E

      Reply
    4. VICKY says

      June 9, 2013 at 9:38 am

      hi,do you make the cake mix accordingly to directions with the water and all?..or do you just put the peanut butter and oil and egg in the dry cake mix?thanks

      Reply
    5. Gayle says

      June 1, 2013 at 2:16 pm

      It sounds awesome, everything we live. But to be honest…it kinda looks disgusting. Because of the condensed milk. 🙂

      Reply
    6. Macie says

      May 21, 2013 at 11:49 pm

      Hello Tonia
      I was wondering if you know, roughly, how many calories are in the Reese’s Peanut Butter Cup Bars? I want to make them, but I’m watching how many calories I eat in a day, due to my doctor telling me I need to cut my calorie intake. Apparently I was eating too many calories in a day and didn’t realize it. Anyway, if you could let me know what you think, that would be great. Thanks! (The calories for the whole dish or just one slice would be enough, thanks :3)

      Reply
      • Tonia says

        May 25, 2013 at 3:26 pm

        Sorry Macie! I really don’t know. Unfortunately, I am sure there are way more calories than are good for anyone to consume!

        Reply
      • TK says

        June 24, 2013 at 10:37 pm

        There are 310 calories in one bar using her recipe and cutting into 20 bars, I have an App that calculates it for me. I used chunky pesnut butter, Reese PB chips, pllsburry cake mix and nestle condensed milk but generally speaking brands are pretty universal nutrition wise so even using different kinds it would probably be around the same calorie countent,

        These were a huge hit, gone in minutes and people thought I’d spent hours making something that took 15 minutes, seriously fool proof! I did ass a little water to make it easier to mix by hand especially bc I was using extra crunchy peanut butter

        Reply
        • Tonia says

          June 24, 2013 at 10:48 pm

          Thanks for the info! I am happy to hear they were a hit!

          Reply
    7. Eve says

      May 18, 2013 at 1:35 pm

      I think I will go one step further and add some chppped rolos for a little caramel

      Reply
      • Tonia says

        May 18, 2013 at 1:40 pm

        Ohhh…that sounds amazing! Great idea Eve!

        Reply
    8. Damien says

      May 15, 2013 at 5:16 pm

      My good friend Donna just shared this recipe on Facebook. By tomorrow evening, her and I (and some other friends it seems) will be sharing these!!! Thanks for the post!

      Reply
    9. kristi@ishouldbemoppingthefloor says

      March 30, 2013 at 9:08 pm

      I’m on SUCH a peanut butter kick lately…these look incredible!!

      Reply
    10. katie says

      March 26, 2013 at 10:41 pm

      How many cups or teaspoons or tablespoons do u put in of canola oil? And how much peanut butter

      Reply
      • Tonia says

        March 26, 2013 at 10:46 pm

        Hi Katie! There are 16 tablespoons in 1 cup so you would need 8 tablespoons of peanut butter and 4 tablespoons canola oil.

        Reply
    11. Holly Lefevre says

      March 26, 2013 at 1:01 am

      The base for this is already one of my favorite cookie EVER/..but with Reese’s – oh my – irresistible!

      Reply
    12. Alyssa Rivers says

      March 26, 2013 at 12:01 am

      Are you kidding me?? When I die and go to heaven these will be served to me on a silver platter with zero calories!!! These look AWESOME! You just made the world a better place by creating these! Hehe Pinned!

      Reply
    13. lisa burnett says

      March 24, 2013 at 4:40 pm

      Greetings Tonia, this looks great! I am going to try homemade recipe for white cake,i will follow your recipe,which looks so yummy! and i will also add a few touches of ingredients of my own,such as,crushed walnuts,,,,cranberry~apple raisins. the peanut butter chips~ i will replace w/ white chocolate chips, and omit the recees peanut butter cups, and use splenda in the white cake mix,and use 1/2 cup of chips,and less sweet milk. i will use this recipe for my daughter,when her blood sugars drop low. then w/ my son, i will use your recipe w/ everything,add, 1/2 c. chopped walnuts, 1/2 cup of cranberry~apple raisins. and as it cools,cut the slices and place a marshmallows easter blue bunny on each piece! great for his friends,when they come over:) Thank You,Tonia, for the great recipe. going to go cook now!:)have a blessed sunday! God Bless America! God Bless our TROOPS! AMEN;;;;;;;;Sincerely,marylisa burnett,hugsssssssssss

      Reply
      • Tonia says

        March 24, 2013 at 9:37 pm

        Sounds like a great combination of flavors!

        Reply
    14. Stephanie@HenryHappened says

      March 21, 2013 at 12:27 pm

      Yuuuuum!! These look so good! Can’t wait to try them 🙂

      Reply
      • Tonia says

        March 21, 2013 at 1:04 pm

        Thanks Stephanie!

        Reply
    15. Anne @ Domesblissity says

      March 21, 2013 at 1:28 am

      Oh Tonia. Why, oh why did I look at this. Reeces are my absolutely favourite as is crunchy peanut butter. I’m dying here! LOL

      Anne xx

      Reply
      • Tonia says

        March 21, 2013 at 8:13 am

        Yes, it is bad, isn’t it? Just have to find a way to share the treats, right?

        Reply
    16. mel says

      March 20, 2013 at 11:09 pm

      This looks just amazing!!!!!!! Pinning this right now!

      Reply
      • Tonia says

        March 21, 2013 at 8:14 am

        Thanks Mel!

        Reply
    17. Dorothy @ Crazy for Crust says

      March 20, 2013 at 8:08 pm

      OMG, you’re a genius! Cake mix crust with pb? I think I love you Tonia!

      Reply
      • Tonia says

        March 21, 2013 at 8:14 am

        Thanks Dorothy! You always leave the sweetest comments!

        Reply
    18. Holly says

      March 20, 2013 at 4:31 pm

      OH MY GOODNESS! Pinning this and adding the ingredients to my shopping list right now! =)

      Reply
      • Tonia says

        March 21, 2013 at 8:15 am

        Yay! I hope you enjoy them as much as we did!

        Reply
    19. Shannah @ Just Us Four says

      March 20, 2013 at 1:55 pm

      My husband would definitely love this recipe. He is a HUGE peanut butter fan!

      Reply
    20. Vanessa says

      March 20, 2013 at 12:35 pm

      That looks sinful! Yumm!

      Reply
      • Tonia says

        March 20, 2013 at 1:32 pm

        Thanks Vanessa!

        Reply
    Newer Comments »
    Tonia Larson from The Gunny Sack.

    Hi, I'm Tonia! Welcome to The Gunny Sack, where I’ve shared easy recipes for busy people for 15+ years! Meet Tonia Larson →

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