These Reese’s Pieces Peanut Butter Brownies are packed with peanut butter, chocolate, Reese’s Peanut Butter Cups, and Reese’s Pieces. Peanut butter lovers, rejoice!
(This recipe for Reese’s Pieces Peanut Butter Brownies was originally published in February 2009, but has been updated with new photos and content.)
Is there such a thing as too much peanut butter? If you’re thinking “yup, there is!” then you should probably leave now because you’re really not going to like these Reese’s Pieces brownies. They involve peanut butter in three forms.
But you know what? They’re not overly omg sticking to the top of your mouth peanut butter brownies. I think all of that chocolate really helps balance things out. If you don’t love peanut butter, you must at least love peanut butter and chocolate together, right??
I first made these chocolate peanut butter brownies wayyy back in 2009, after seeing the recipe on Grumpy’s Honeybunch. Sometimes I laugh to myself when I re-read my old posts because I say things like, “next time I’d add peanut butter into the batter.” Okayyy, Sues, then why the heck didn’t you add peanut butter into the batter before posting about them??
It’s like, “here, I’m giving you a recipe, but there are like 10 things I’d do differently next time I make it, so…” Anyway, I suppose blogging times were different back then. So, now that we’re in a new era, I went back and made some adjustments to the original recipe until I got to my ideal chocolate peanut butter brownies and I’m updating the recipe here for you now.
Reese’s Pieces Peanut Butter Brownies Recipe
But don’t worry, these peanut butter brownies are still super easy to make and are made in a 13×9 pan, which means you’ll end up with 24 chocolate peanut butter brownies. Which means you can probably share a couple of them and still have enough for yourself.
All you have to do is mix the wet ingredients together, mix the dry ingredients together, and then combine the two. Don’t forget to fold in the Reese’s Peanut Butter Cups!
Then spread the batter in the pan, top with Reese’s Pieces, and bake away.
Oh wait, before we move on, we need to talk about the fact that Reese’s Pieces do not actually have chocolate in them. Does that blow your mind? I realize I brought that up the last time I posted a Reese’s Pieces recipe, but I feel like I need to make this public service announcement again. If you were already aware then carry on, nothing to see here, I’ve just clearly been living under a rock.
Either way, I think there’s enough chocolate in these Reese’s brownies to excuse the lack of chocolate in Reese’s Pieces.
And now that I’ve adjusted the original recipe, there’s also enough peanut buttery goodness to my liking. Because check out that chocolate. I mean, just look at it. It’s so fudgy and intense that you need a little bit of peanut butter to cut through it.
And obviously the Reese’s Pieces scattered about on top add a little bit of crunch. And more peanut butter brownie balance.
These are totally the kind of brownies you want to bring to a party. Or sell at a bake sale. Or just have in your kitchen at all times so whenever a guest pops in, you can say, “oh, would you like a Reese’s Pieces brownie?” Something tells me you’d start to have guests wayyy more often then you’d like.
But the best part is that these peanut butter brownies are classic brownies that were delicious in 2009 and are still delicious almost nine years later. And if they’re not still delicious twenty years from now, well then, let’s just say 2038 is not a time I’m looking forward to very much.
Are you always in the mood for chocolate and peanut butter? If not, what do you prefer?
If you love peanut butter desserts as much as I do, check out my Peanut Butter and Jelly Cupcakes and my XL Peanut Butter Cookies. I also can’t wait to try this Peanut Butter Butterscotch Ice Cream from A Bajillion Recipes!
Reese’s Pieces Peanut Butter Brownies
Ingredients
- 1 cup (2 sticks) unsalted butter, room temperature
- 2 1/2 cups granulated sugar
- 1/2 cup creamy peanut butter
- 4 large eggs
- 1 1/2 Tbsp vanilla
- 1 1/2 cups all-purpose flour
- 1 cup unsweetened cocoa powder
- 1 tsp salt
- 1 1/2 cups chopped peanut butter cups (about 28 peanut butter cups; note that there are about 38 in a 12 oz. bag)
- 1/2 cup Reese’s Pieces
Instructions
- Pre-heat oven to 350 degrees and lightly grease a 9×13 baking dish.
- In the bowl of a stand mixer or in a large bowl with a hand mixer, cream together butter and sugar until light and fluffy.
- Beat peanut butter into the mixture until smooth. Add eggs one at a time, mixing well after each addition. Beat in vanilla.
- In a separate large bowl, whisk together flour, cocoa powder, and salt.
- Add the dry mixture to the wet ingredients and mix until just combined. Fold peanut butter cups into batter.
- Pour the mixture into prepared baking dish and sprinkle Reese’s Pieces over the top.
- Bake at 350 degrees for about 35 minutes, until a toothpick comes out clean. Set pan on a wire rack and let cool for about 10 minutes before slicing.
these were AMAZING! one of the best desserts yet.
HOLY FREAKING YUM!!!!! I’ll take a dozen of those, please!!! 😀
OMG they look fantastic.
mmmmmmmmmmmmmmm
So much Reese’s goodness!!
It was nice meeting both of you last night. I look forward to following your blog and hopefully seeing both of you again at another WBUR event. I’m normally not a huge reese’s pieces fan but in those brownies they look dangerous.
I have found mini’s at Trader Joe’s (they are not Reese’s brand, but jut as good!)
These are a must try. My husband loves reese’s pieces so I know already these will be a hit!
Made these on Saturday, SOOOO yummy! I really need to give the rest away because I can’t stop myself!
I was hoping to make these, but didn’t have the reeses cups I thought I did! And you can find the mini Reeses Pieces with the chocolate chips in the baking aisle.
Just seeing these makes me want them again! They are the devil these brownies are.. ;o)
Great photos, they look delicious, will try the recipe sometime – thanks for sharing!
Tastes pretty good upon first contact, although it needs a lot more bakin time than 30 minutes. At least 45 minutes. We had very very fudgy and drippy brownies after 30 minutes.
OMG! I am so looking forward to baking these! I am going to bake them as a surprise for my boyfriend. lol. Hopefully, they will turn out as yummy as the pictures! I have a tendency of overcooking sweets. So wish me luck!!
I’m looking forward to making this they look delis
Reese’s Pieces are my husband’s favorite, so I made these for his birthday a couple of days ago. SO GOOD! I never bake or cook, so the step by step instructions and pictures were very helpful. Thank you!!
Just made these for my evening master’s class – the guys in there requested something with Reese’s Pieces. These looked fabulous, so I tried them. Will let you know what the verdict was. I think they will love them!
These are just what I am looking for to make for nephew’s birthday, he loves peanut butter and chocolate! Thanks for the great idea of putting the reese’s pieces on the top! I might suggest that you check out my daughter-in-law-to-be’s (I love saying that) blog, it’s minibaker.com! Happy Baking!
whoa! these are amazing. i made two batches in 3 days because my family devoured the first one. they are delicious..so rich and sweet, like eating fudge! if you have an oven like mine, that typically cooks really fast, you may want to put them in for about 30 minutes. the first batch i did for 35. they were still really good but the edges came out a little dark. 30 minutes was perfect for my taste.
Truly delicious. <3
These are so yummy! My fiancee asks me to make them all the time. The only problem I had was getting the middle to cook evenly with the edges. Sometimes they are just too gooey for my liking. But hey… some people like gooey.
These look soo good, I’m gonna have to try them.
Mini Reese’s are just what they’re called. Miniature peanut butter cups. They come in small plastic bags. And they don’t have wrappers on them. Really yummy.
These look delicious! I’ve featured them in my blog post about Reese’s Pieces recipes.
Thank you so much!!! These look so amazing!! Cheryl
These were the best thing that ever entered my mouth!! I would recommend it!