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Home » Recipe Type » Desserts
5 from 1 review

Peanut Butter Fudge

5 minutes
By: Pamela Reed
Posted:7/9/21
Updated:6/21/23
Jump to Recipe

No-bake Crispy Peanut Butter Fudge is smooth, luscious, and a little crunchy thanks to the rice krispies. Make it on the stove or in the microwave!

peanut butter fudge with rice krispies cereal on top.

The best peanut butter fudge recipe

I can never get enough of creamy homemade fudge. Whether I’m snacking on chocolate fudge and pumpkin fudge in the fall or tuxedo fudge around the holidays, each bite is always so smooth and addicting.

This recipe for Crispy Peanut Butter Fudge is always a hit in my house and I often have to hide it so we don’t eat it all in one sitting! Creamy peanut butter is mixed with sugar, butter, milk, and crispy rice cereal before it’s melted down and poured into a dish to set in the fridge with no baking at all. That’s really how easy it is!

The best part? It’s made with 7 easy ingredients using just in 1 pot on the stove or in the microwave. You can forget all about the sticky cleanup or too many dishes in the sink.

This fun and easy peanut butter fudge recipe will have your whole family addicted, just like mine. You can even have fun with it by adding in nuts, chocolate, dried fruit, or any of your favorite cereals for texture and flavor. The flavor combinations are truly endless!

peanut butter fudge cut up into squares.

How to make peanut butter fudge

Who knew homemade fudge could be so easy to make? Whether you make it on the stovetop or in the microwave, the sweet and nutty mixture comes together in minutes before it sets in the fridge for a few hours. Here’s how to make this delicious make-ahead dessert:

Melt the butter in a saucepan over medium heat. Stir in the brown sugar and milk before bringing the mixture to a boil. Stir, then remove it from the heat.

melted peanut butter and butter in orange saucepan with green spatula stirring it.

Stir the peanut butter, confectioners sugar, and vanilla into the butter and sugar mixture, then fold in the rice crispy treats.

measuring cup filled with peanut butter over saucepan.

Pour the soft fudge into an 8×8 pan (I love these nonstick pans) and sprinkle a few tablespoons of rice krispies on top.

peanut butter fudge in 8x8 baking pan.

Let the peanut butter fudge set in the fridge overnight before cutting and serving.

pieces of peanut butter fudge on wax paper.

How to make microwave peanut butter fudge

  1. Melt the butter in a microwave-safe bowl. Stir in the brown sugar, vanilla extract, and peanut butter. Microwave the mixture for 30 seconds, stir, then microwave for another 30 seconds. 
  2. Stir the powdered sugar into the peanut butter mixture in batches until a smooth fudge forms.
  3. Fold in the rice crispy treats, then pour the fudge into your pan. Add some extra rice crispy cereal on top, then let the fudge chill in the fridge overnight.

Tips and tricks

  • To cut fudge easily, run a sharp knife under hot water. The blade should glide right through the cold fudge, making the perfect square.
  • Chill for at least 6 hours or overnight before serving. The fudge will not be set if it’s taken out any earlier and be too sticky or soft to eat.
  • You can stir fun add-ins into the fudge, like chocolate chips, dried fruit, chopped nuts, your favorite cereal, or candy. 
  • Don’t like peanut butter? Try making this recipe with almond butter, cashew butter, or even sunflower seed butter for a nut-free fudge. 
crispy peanut butter fudge squares on white plate.

Storing and freezing fudge

Storing: Make sure the leftovers are tightly wrapped in plastic before placing them in the fridge (this keeps the fudge from drying out). It should last for up to 1 week. 

Freezing: Place the fudge squares in a freezer-safe bag or container. You can also freeze a whole block of fudge by wrapping it tightly in plastic wrap, then placing it in a freezer-safe bag or container. Freeze for up to 2 months. 

More peanut butter desserts to try

  • Peanut Butter Donuts
  • Peanut Butter Cups
  • Peanut Butter Blossoms
  • Homemade Peanut Butter Oreos
  • Vegan Peanut Butter Cookies
  • Chocolate Peanut Butter Ice Cream

Pin for later:

No-bake Crispy Peanut Butter Fudge is smooth, luscious, and a little crunchy thanks to the rice krispies. Make it on the stove or in the microwave!
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5 from 1 review

Crispy Peanut Butter Fudge

Print
No-bake Crispy Peanut Butter Fudge is smooth, luscious, and a little crunchy thanks to the rice krispies. Make it on the stove or in the microwave!
By: Pamela Reed
Prep Time: 5 minutes minutes
Cook Time: 0 minutes minutes
Total Time 5 minutes minutes
serves 36

Ingredients

  • 1/2 cup butter
  • 2 cups brown sugar
  • 1/2 cup milk
  • 1 cup peanut butter
  • 1 teaspoon vanilla extract
  • 3 cups confectioners powdered sugar
  • 1 cup crispy rice cereal

Instructions

  • Melt butter in a large saucepan over medium high heat. Once melted, stir in brown sugar and milk. Bring to a boil and stir for 1 minute.
  • Remove saucepan from heat and stir in peanut butter and vanilla until smooth. Add confectioners powdered sugar and rice cereal and continue to mix until fully combined.
  • Spray a 8×8 pan with nonstick spray. Pour fudge mixture into the pan.
  • Optional: Add 2-3 tablespoons of rice cereal on top of the fudge if you want a crispy top (I recommend this). Push cereal lightly down with a spatula so it sets in the fudge.
  • Cover and place in refrigerator to chill overnight. Once cooled and set, cut into small squares. Enjoy!
Course: Dessert
Keyword: peanut butter fudge
Did you make this?I love seeing what you’ve made! Tag me on Instagram at @BrooklynFarmGirl and don’t forget to leave a comment & rating below.

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  1. Emily {Pink Tiger in the Kitchen} says

    August 13, 2013 at 11:01 am

    So I’ll gladly take that tray off your hands!! This sounds amazing!! I needed a no bake, quick something to whip up since my kitchen is void of desserts right now… {shame I know, I’m actually a little embarrassed about that fact!} And bonus… I have all the ingredients to make this TONIGHT!!

    Reply
    • Pamela says

      August 13, 2013 at 1:04 pm

      Emily, tonight will be a magical night! Do enjoy and let me know what you think! 🙂

      Reply
  2. Shashi @ http://runninsrilankan.com says

    August 13, 2013 at 8:12 am

    I love peanut butter – and you would make it better by making this fudge!
    Oh gawwwwsh! I Want this – I need this! But I don’t think I would cut it up, I would just grab a spoon and …oh well….be on a suagr high for days! 🙂
    GREAT Recipe – thanks so much for sharing!

    Reply
    • Pamela says

      August 13, 2013 at 12:59 pm

      I love the idea of just grabbing a spoon…. thank you for the suggestion! 🙂

      Reply
  3. Christine @ 24 Carrot Kitchen says

    August 13, 2013 at 7:36 am

    I love peanut butter and fudge. When I see fudge in candy shops, I think I can make this. I love that this recipe doesn’t have sweetened condensed milk like most fudge recipes I have seen. Lovely, I must try this!

    Reply
    • Pamela says

      August 13, 2013 at 1:00 pm

      Enjoy Christine! It really is some yummy fudge…

      Reply
  4. Joanne says

    August 13, 2013 at 7:01 am

    The.Boy and I both feel similarly about our love of peanut butter…so I see these being a huge problem for our jeans. AND our relationship when we’re both fighting for the last piece AND over who gets to lick the pan!

    Reply
    • Pamela says

      August 13, 2013 at 1:01 pm

      Those are all very fair arguments I believe! Keep fighting for the pan Joanne!

      Reply
  5. Sarah | The Sugar Hit says

    August 13, 2013 at 2:28 am

    This fudge looks freaking amazing. Like the ultimate rice crispy.

    Reply
    • Pamela says

      August 13, 2013 at 1:01 pm

      I can’t wait to make a new batch! It goes quick!

      Reply
  6. Sues says

    August 13, 2013 at 12:27 am

    I love all fudge, but crispy peanut butter sounds like the best fudge of all! Love PB&Co!

    Reply
    • Pamela says

      August 13, 2013 at 1:01 pm

      My favorite too!

      Reply
  7. Maggie @ Sunnyside Up Smile says

    August 13, 2013 at 12:14 am

    Oh my gosh Pamela! Totally loving your blog 🙂 The design is super cute and I love your voice in your writing. It’s very unique and fun! This post was hilarious! This is so me with cookies and cookie dough. I ask for it to be taken away but then when it is, I just want it back! Constant battle lol 😉

    Also, your photos are beautiful! They are so clear and jump right out at me like I could just eat them off the page! Wouldn’t that be nice? No wonder your blog is so popular.

    Reply
    • Pamela says

      August 13, 2013 at 1:02 pm

      Thanks so much Maggie, your comments are so sweet.. I want to make you some cookie dough fudge now! 🙂 🙂 Have a great day!

      Reply
  8. [email protected] says

    August 12, 2013 at 10:31 pm

    I love fudge, too, especially peanut butter and caramel. It has to be together and gooey and creamy! I love the way you plate them, and cute tray, Pamela!

    Reply
    • Pamela says

      August 12, 2013 at 11:22 pm

      Thanks Rika! 🙂

      Reply
  9. Jamie G says

    August 12, 2013 at 9:46 pm

    So how long do I have to run to eat one of these? 🙂 I can’t wait to add these a Christmas treats tray this winter.

    Reply
    • Pamela says

      August 12, 2013 at 10:06 pm

      You could always run and then eat one at the end. And then run more to eat another one. In fact I think this is a great workout plan! 🙂

      Reply
  10. Julie @ Table for Two says

    August 12, 2013 at 8:49 pm

    I’m gonna need the stretchy pants! This looks amazing!!

    Reply
    • Pamela says

      August 12, 2013 at 10:06 pm

      Hahaha, I’m wearing a big ol shirt today… Enjoy Julie!

      Reply
  11. Todd @ HonestlyYUM says

    August 12, 2013 at 7:23 pm

    That’s it…I think you may have found the perfect dessert. You’re killing me over here. I want that soooo bad!! + amazing photos as always..

    Reply
    • Pamela says

      August 12, 2013 at 10:05 pm

      I’m in love with it. I hope you try it!

      Reply
  12. sally @ sallys baking addiction says

    August 12, 2013 at 7:15 pm

    I can only imagine how amazing this is Pamela!!! The added texture from the cereal – and that it is no bake AND all that peanut butter. I’m in heaven.

    Reply
    • Pamela says

      August 12, 2013 at 10:05 pm

      It’s one of my favorites! Enjoy Sally!

      Reply
  13. Jennifer @ Not Your Momma's Cookie says

    August 12, 2013 at 7:00 pm

    I agree to enjoy this fudge responsibly – it sounds downright dangerous! 🙂

    Reply
    • Pamela says

      August 12, 2013 at 10:04 pm

      Enjoy it responsibly Jennifer! 😉

      Reply
  14. Ash-foodfashionparty says

    August 12, 2013 at 3:34 pm

    The refrigerating part, not too sure..WE would be scooping and licking it off before it sets. I love the crunch topping.

    Reply
    • Pamela says

      August 12, 2013 at 3:37 pm

      I know, it’s hard to resist! 🙂

      Reply
  15. Amy @ Elephant Eats says

    August 12, 2013 at 1:59 pm

    This looks so yummy…I can certainly understand the temporary insanity it caused. I tried my hand at making fudge one time (you had to boil to a certain temp?!) and it was a miserable failure. I’ll def give this one a try 🙂

    Reply
    • Pamela says

      August 12, 2013 at 3:14 pm

      Please give this a try Amy, I think you’ll love it! 🙂

      Reply
  16. Kayle (The Cooking Actress) says

    August 12, 2013 at 1:26 pm

    ohemgee this fudge DOES look dangerous! Be still my pb lovin’ heart!

    Reply
    • Pamela says

      August 12, 2013 at 3:14 pm

      Hahaha, I know. <3

      Reply
  17. The Café Sucre Farine says

    August 12, 2013 at 12:54 pm

    You make me laugh Pamela, so funny. But maybe it’s because I’m just the same as you. I make something really good then give it away to get it out of the house. Next thing I know, I’m saying to Scott. “what ever possessed me to give that away?!!!” Your fudge sounds amazing, love that little crispy crunch!

    Reply
    • Pamela says

      August 12, 2013 at 3:13 pm

      Last week I made some brownies for friends as a nice gesture, and afterwards I kept saying “Why didn’t I keep a few?!”.

      Reply
  18. Katie says

    August 12, 2013 at 12:29 pm

    I think I’d have to physically restrain myself from this fudge. It has everything I love in it.

    Reply
    • Pamela says

      August 12, 2013 at 3:12 pm

      I wish I could restrain myself.

      Reply
  19. Nora @ Buttercream Fanatic says

    August 12, 2013 at 12:09 pm

    Why, Pamela, why?? I woke up this morning vowing to have a healthy week and now…you dangle this in front of me? I”m furious (not really). This looks seriously dangerous !!

    Reply
    • Pamela says

      August 12, 2013 at 12:16 pm

      I’m sorry Nora! 🙂 Maybe start next week.. 😛

      Reply
  20. Madison says

    August 12, 2013 at 11:40 am

    Be still my heart. Peanut butter crispiness…get in my belly! THANK YOU!!!

    Reply
    • Pamela says

      August 12, 2013 at 11:49 am

      Hahaha, I hear you. My heart is beating fast with this fudge around!

      Reply
  21. The Ninja Baker says

    August 12, 2013 at 11:36 am

    I imagine your cast of character ingredients do create quite an addictive crunch / pb combo! Wish I had a grandma to bake with every week, too =)

    Reply
    • Pamela says

      August 12, 2013 at 11:49 am

      Grandmas are just the best bakers aren’t they? 🙂

      Reply
  22. The Sketched Chef says

    August 12, 2013 at 11:24 am

    Wow, absolute perfection!

    Reply
    • Pamela says

      August 12, 2013 at 11:47 am

      Thank you! This fudge sure is addicting!

      Reply
  23. Natalie says

    August 12, 2013 at 11:23 am

    A crunchy treat full of PB, Can’t wait to make them!

    Reply
    • Pamela says

      August 12, 2013 at 11:47 am

      Enjoy! 🙂

      Reply
  24. Averie @ Averie Cooks says

    August 12, 2013 at 11:08 am

    The recipe I have on my site right now for NoBake PB Cereal Bars – pretty much a version on this and links in that post to a bar I made with Rice Krispies about a month ago. That’s to say…I KNOW how good this stuff is! Pb, brown sugar, cereal, no-bake, gooey chewy perfection. Love yours!

    Reply
    • Pamela says

      August 12, 2013 at 11:18 am

      Thanks Averie! Yours sound wonderful too. 🙂

      Reply
  25. Francine says

    August 12, 2013 at 9:17 am

    Damn, girl, another awesome one! You’ve got skills.

    Reply
    • Pamela says

      August 12, 2013 at 10:46 am

      Haha, thanks Francine! 🙂

      Reply
  26. Mary Frances @ The Sweet {Tooth} Life says

    August 12, 2013 at 8:41 am

    You aren’t kidding! I’ve made something like this before and literally stuffed my mouth for five minutes straight. It is ridiculous! Peanut butter and rice krispies are a match made in heaven.

    Reply
    • Pamela says

      August 12, 2013 at 10:46 am

      It’s like one piece is never enough, it’s that good! Thanks for stopping by Mary Frances!

      Reply
  27. Ashley says

    August 12, 2013 at 8:22 am

    haha I love fudge too …. probably why I only make it around Christmas … otherwise I’d eat WAY too much! I love the crispy topping – that added texture must make this amazing!

    Reply
    • Pamela says

      August 12, 2013 at 10:45 am

      It’s dangerous to have in my house. I can’t wait for Christmas! 🙂

      Reply
  28. Kelly @ hidden fruits and veggies says

    August 12, 2013 at 8:19 am

    Refridgerate over night? Are you sure? I don’t think I can wait that long! This looks amazing.

    Reply
    • Pamela says

      August 12, 2013 at 10:45 am

      Hahaha, I know! But think of the amazing and nutritious breakfast you can have! 😉

      Reply
  29. Paula @ Vintage Kitchen Notes says

    August 12, 2013 at 7:18 am

    This past few years I´m discovering some great fudge recipes, and this one is going to the top of my to-do list! The idea of crunch in it is awesome.

    Reply
    • Pamela says

      August 12, 2013 at 10:45 am

      Thanks Paula! I love fudge, one of my weaknesses (of many!).

      Reply
  30. Anne ~ Uni Homemaker says

    August 12, 2013 at 12:25 am

    Pamela, this fudge looks FANTASTIC! This wouldn’t be safe around me –I would have one too many. 🙂 Pinning! Have a great week!

    Reply
    • Pamela says

      August 12, 2013 at 10:44 am

      Thanks Anne! I TOTALLY know the feeling. 😉

      Reply
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