Fluffernutter Rice Krispie Treats

Peanut Butter Rice Krispie Treats topped with melted Reese’s PB morsels and mini Reese’s PB cups. A delicious twist on a childhood favorite!

Fluffernutter Krispie Treats: a delicious chocolate peanut butter and marshmallow treat, easy and no bake too! #reeses

Click HERE to save recipe to pinterest!

So my schedule is quite overwhelming right now. I’m not even going to describe or complain because I’m sure you all have had times in your life when things were so busy you couldn’t even look at the calendar without throwing a tantrum. Right?

Then I realized it has been MONTHS since I shared a Rice Krispie treat recipe on the blog. And that, my friends, is unacceptable. I apologize.

Fluffernutter Krispie Treats: a delicious chocolate peanut butter and marshmallow treat, easy and no bake too! #reeses

My apologies for eating way more than my share of these treats. I started out by making peanut butter flavored krispie treats. Then added some extra marshmallows to give them a true fluffernutter feeling.

But they looked naked. And I don’t mind eating naked rice krispie treats…but when life is overwhelming you need more. So I topped them with some melted Reese’s peanut butter morsels and some mini Reese’s peanut butter cups.

Life is good.

Fluffernutter Krispie Treats: a delicious chocolate peanut butter and marshmallow treat, easy and no bake too! #reeses

Fluffernutter Krispie Treats: a delicious chocolate peanut butter and marshmallow treat, easy and no bake too! #reeses

If you’re looking how to make rice krispie treats, I’ve got you covered with the perfect rice krispie treats! <——that recipe is amazing. You’ll never use the one on the box or bag of marshmallows again. But, if you want to change up that perfect krispy treat, today’s recipe is the one for you.

Want more Krispie Treat recipes?

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This delicious krispie treat recipe was inspired by one of my favorite fudge recipes. Fluffernutter Fudge!

Fluffernutter Fudge from shugarysweets.com

Just craving Reese’s peanut butter cups? I’ve got ya covered with these Reese’s Peanut Butter Bars.

peanut butter bars from shugarysweets.com

More fun Reese’s recipes from the blogging world…

Chocolate Reese’s Cheesecakes from Inside Brucrew Life

Reese’s Peanut Butter Dip from Crazy for Crust

Reese’s Cup Poke Cake from Something Swanky

Fluffernutter Krispie Treat recipe: 

Yield: 32

Fluffernutter Krispie Treats

Fluffernutter Krispie Treats
Prep Time 1 hour
Cook Time 5 minutes
Peanut Butter Rice Krispie Treats topped with melted Reese’s PB morsels and mini Reese’s PB cups. A delicious twist on a childhood favorite!


  • 10oz bag regular sized marshmallows
  • 1/4 cup unsalted butter
  • 1/2 cup creamy peanut butter
  • 5 cup Rice Krispies cereal
  • 1 1/4 cup mini marshmallows
  • 1 bag (10oz) Reese's peanut butter morsels, melted
  • 2 bags (8oz each) Reese's Mini Peanut Butter Cups


  1. In a large pot, melt butter over medium heat. Add marshmallows and turn heat to low. Stir until completely smooth. Remove from heat and quickly stir in peanut butter. Add cereal.
  2. Fold in the mini marshmallows. Pour Krispies treats into a 9inch square baking dish lined with parchment paper (or buttered foil). DO NOT PRESS them in tightly. Just very gently even the top of the treats (I use the butter wrapper or marshmallow bag wrapper to press it in). Spread melted peanut butter morsels over the top.
  3. Top the melted peanut butter morsels with the peanut butter cups. Press those in so they stick! Allow to set, about one hour. Cut into squares and store in an airtight container. ENJOY.

Peanut Butter Rice Krispie Treats topped with melted Reese’s PB morsels and mini Reese’s PB cups. A delicious twist on a childhood favorite!

*Today’s recipe for Fluffernutter Krispie Treats was originally published on Shugary Sweets on April 10, 2013 and has been edited and republished in April 2018.

**There may be affiliate links in this post! By clicking on them, or purchasing recommended items I may receive a small compensation. However, I only recommend products I love! Thank you for supporting Shugary Sweets! See my disclosure policy for more info**

86 comments on “Fluffernutter Rice Krispie Treats”

  1. Putting non melted marshmallows into a marshmallow krispie treat? Brilliant.

  2. I fell over when I saw these. So not kidding.

  3. No, you cannot have a naked Rice Krispie, that’s like eating cake without frosting! I love all the Reese goodness piled on top!

  4. My husband and daughter (both peanut butter fanatics) would love this!

  5. Whyyyy does everything you post make me want to abandon hopes of fitting in a bathing suit this summer?! 😉

  6. Love these! I am a RKTreat fan, big time! These are so thick and chomp-able. I used mini PB cups in my recipe today too!

  7. The “outfit” you gave them was brilliant 🙂

  8. I love those mini peanut butter cups on top, they are so cute.

  9. Just about anything with peanut butter is good! These are adorable and look so tasty!

  10. Kristen

    These look so tasty! Hope things steady up for you some.

  11. I seriously love how mile-high thick your rice krispies are. That is a type of rice krispy i would love to have. I hate the ones that are low and skimp on the thickness! Haha 🙂 fluffernutter – way to go with this flavor combo!!

  12. This is simply gorgeous! Lovely treats. Pinned!

  13. I hope your crazy calms down soon Aimee! Love these treats. 🙂

  14. My keyboard is now completely covered in drool. Those look fantastic.

  15. Liz

    WOW! These look like the perfect solution to a busy schedule! I’ll take a few of these please! 🙂

  16. Life is definitely good when you have a pan of these bars nearby

  17. I’m so glad you dressed your Rice Krispie treats! They look so outrageously good. I didn’t know I was craving sweets until I saw these. Gah! I need to make these VERY soon!

  18. So, fluffernutters and Reese’s are two of my favorite things. Like, ever. But then you go and throw them in a krispies treat? I mean, yes. How could I not eat the whole pan?

  19. Done and done.. these need to happen to my face, Aimee! I love fluffernutters.. and rice krispies are completely irresistible in my book. Yours couldn’t look more perfect!

  20. You just reminded me it’s been a while since we had rice krispies too… Need to fix that asap! 🙂 These look fabulous, Aimee!

  21. Why oh why don’t we live next door to each other? This 3 hour gap is killing me!! I am so overwhelmed right now too, and I think some of these delicious and incredible krispies would be just what I need to get over that. We need to plan our next get together…you bring these and I’ll come eat them!!!

  22. Fluffernutters are my favorite! Is there really any better flavor combination? And the fact that you topped these with mini Reese’s makes this the ultimate RKT. I’m usually not a fan of plain ol’ RKT because they are just ok. But when you add peanut butter, more marshmallows, peanut butter chips, and Reese’s into the mix, then I’m dying the eat the entire pan!

  23. Oh man look at the depth of those rice krispies! I can make a meal out of this!

  24. Flutternutters are so amazing…and you put them in a krispy treat, amazing! I love everything about this recipe!

  25. you totally wen there didn’t you? Darn it those look delicious!

  26. Oh WOW- those look to die for. Peanutbutter, marshmallows, rice krispies, Reeses- all of my favorite things!

  27. OMG. You have everything going on here that I need in my life.

  28. I love peanut butter cups, marshmallows, AND rice crispy treats. I cant wait to try these!

  29. Oh wow, these look so perfect and addicting 🙂 who could stop at just one!

  30. Anonymous

    Send me recipes please

  31. These look incredible! Love the topping!

  32. I would totally have to physically remove myself from these. omg

  33. Shelley

    Where do you get the Reese’s morsels? I can’t find them anywhere.

  34. Jen

    Awwww… I want to try these so badly but I live in Australia! No Reece’s here! 🙁 SAD!! I have never even seen anything similar I could substitute the Peanut Butter Cups! Oh well, I guess I’ll have to admire from a-far or attempt to eat my screen…. Awesome post tho! THANKS!

  35. These look amazing! Peanut butter desserts are my weakness. I cannot wait to try these myself.

  36. I saw these from a mile away… I LOVE anything reeses 🙂

  37. Easternfan

    By “Reese’s peanut butter morsels” do you mean just Reese’s Pieces or do the morsels not have the “shell” on the outside? I don’t think I’ve seen them here (in Canada) but I haven’t looked at the Bulk Barn yet… they may have something like that. Reese’s ANYTHING and Fluffernutter ANYTHING are my favorites also.

  38. Maria Willis

    I made these and they are delicious. I have one question. Do your mini peanut butter cups melt? Mine started melting as soon as I put them on.

  39. These look amazing! I’ll be bringing them to a Labor Day BBQ. Yum!

  40. Donna Clay

    Made these for thanksgiving reunion- they were so amazing that everyone loved them. Thanks for sharing!

  41. Melissa Manley

    These are great. However, in the recipe above, I think you left out the step where you melt the Reese’s Morsels and spread the melted morsels over the top of the cereal mixture, before putting the Mini Reese’s Peanut Butter Cups on top. I figured it out, but it would be helpful to have that step included.

  42. Melissa Manley

    Oh, goodness! I missed the “melted” part in the ingredients list and was expecting a step telling me to do that. My bad. I guess I was so excited to make these I read too fast. So sorry! And they were wonderful. A keeper. Thanks!

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  45. Kristy

    32 squares from a 9″ square pan? Did you mean a 9×13 instead?

  46. Rhonda

    These are awesome but I found I had to add vegetable oil to the melted peanut butter chips because they wouldn’t spread well otherwise. Not sure if any one had this same issue or not?

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