Buttery and flaky shortbread is covered with a rich chocolate peanut butter mixture then topped with peanut butter cup minis in these Chocolate Peanut Butter Shortbread Bars. Rich like fudge, this dessert is not for the faint of heart.
I hate to call anything ‘the best’ because that’s a little different for everyone. Let’s just say these are very, very, very good Chocolate Peanut Butter Shortbread Bars!
Something magical happens when you mix sweetened condensed milk and peanut butter together. And, as good as that is, it’s even better if it’s chocolate peanut butter. Yep, folks, this is like milk and cookies, Sonny and Cher, bacon and anything… it’s a match made to go together.
Did I mention it’s good?
And if sweetened condensed milk and peanut butter weren’t enough to set this over the edge, I topped with Reese’s minis! Because I’ve been dying to use these minis in something!
These minis are the reason I made this dessert, actually. They are just so darn cute, I couldn’t resist getting a bag…and then another.
I’ve been loving peanut butter lately, I made Peanut Butter Dip, Peanut Butter Pound Cake and Small Batch Peanut Butter Cookies.
These candy bars have three layers. The bottom is a buttery shortbread. The second layer is made by mixing sweetened condensed milk and peanut butter. I used a chocolate peanut butter. You can use regular flavored peanut butter if you prefer. Topping it all off are these adorable Reese’s minis. You can add any flavor or color chocolate on top making it perfect for any holiday.
The chocolate peanut butter actually is dark and looks like chocolate, not the jar pictured below. I was making something else and grabbed the wrong peanut butter jar for these pictures. I didn’t realize it until I was processing the pictures. #mybad
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Chocolate Peanut Butter Shortbread Bars
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Save To Your Recipe BoxIngredients
- 2/3 cup butter
- 1/4 cup granulated sugar
- 1 and 1/4 cup all-purpose flour
- 14 ounces sweetened condensed milk
- 1/2 cup chocolate peanut butter Peanut Butter & Co Dark Chocolate Dreams
- 2 cup Reese's minis like these
Instructions
- Preheat oven 350 degrees fahrenheit.
- Line a 9x9-inch square pan* with and over-hanging piece of waxed paper or parchment paper.
- Press evenly into pan.
- Bake for 15 minutes.
- Meanwhile, mix peanut butter and sweetened condensed milk until well combined.
- Pour over shortbread crust.
- Bake 20 minutes. The top will change from shiny to matte when ready.
- Remove from oven and immediately top with 2 cup Reese's minis.
- Cool completely before cutting.
Notes
Nutrition
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Hungry for more?

Karen M says
Any issues with doubling the recipe? These would be great for baked food sales!
Paula says
I haven’t tried doubling it but I think it will be fine to double.
Erin @ The Speckled Palate says
I’m a sucker for the PB and chocolate combination… and I really want one or two of these now! How could they not be good?!
Karly says
My dreams are made of these bars.
Paula says
Haha, I like that Karly! Thanks
Erin @ Making Memories says
These are just crazy! Of course I pinned them and I can’t wait to make them! Thanks for this one!!!
http://makingmemorieswithyourkids.com
Paula says
Tank you Erin! I was very pleased with how they turned out.
Gentle Joy says
Those bars look…. and sound… amazing!!!! I plan to try these. Yum. Thank you for sharing this. 🙂
Paula says
Thanks so much. I hope you enjoy, I just ate my last one! 🙂
Kelly - Life Made Sweeter says
Wow, these look mouthwatering, Paula! I would not be able to stop at one . I am a sucker for anything with peanut butter and chocolate!
marlean says
Hi paula cant wait to make your peanut butter shortbread squares. What size baking sheet works best?
Paula says
oh my goodness, I can’t believe I left that out! I used a 9×9 inch square cake pan. A 8×8 would work too. I’ll update the recipe to reflect this as well. Thanks, I hope you enjoy them!
amanda @ fake ginger says
I’m a sucker for anything that starts with shortbread! I want one!
Paula says
I cannot stop eating these, sending them to school with the boys today!
Teresa says
Oh my gosh, Paula, these look to die for! I love Reese peanut butter cups and these look sensational. Pinning for sure!
Paula says
Thanks so much Teresa, I cannot stop eating these after one bit. Thanks for sharing!
Librarian Lavender says
This looks really amazing!
Paula says
Thanks so much!