Fluffernutter Fudge

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Fluffernutter Fudge is easy to make with no candy thermometer! This rich peanut butter fudge tastes even better when you combine it with marshmallow cream and crunchy nuts.

If you love the classic fluffernutter be sure to try this decadent Fluffernutter Rice Krispie Treat. Packed with marshmallows and peanut butter it’s thick and chewy and PERFECT.

Fluffernutter fudge pieces cut into small squares, stacked on parchment paper.
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Easy Peanut Butter Fudge Recipe

I don’t know if I’ve ever confessed this before, but peanut butter isn’t my favorite ingredient. I enjoy an occasional peanut butter treat, like Peanut Butter Bars or Peanut Butter Rice Krispie Treats but there are other flavors I prefer. I will admit though to loving a good, chewy peanut butter cookie!

This fudge though? This is good enough to change my opinion on peanut butter desserts.

The creamy peanut butter fudge combined with an occasional chewy marshmallow and crunch of peanuts…oh my!

I’m usually all about covering my peanut butter desserts with melted chocolate, folding in chocolate chips or finding some other way to add chocolate to the treats.

Not this time. The peanut butter and marshmallow stand on their own.

My kids agreed that this spin on peanut butter fudge is made extra delicious thanks to all the marshmallows you fold in! We polished off the whole pan within a day. . .and I’m already craving it again.

No candy thermometer needed. You don’t need to be some kind of candy making genius. Follow the steps and you’ll be just fine.

If you love today’s fudge, be sure to give our chewy fluffernutter cookies a try next!

Ingredient Notes

Ingredients needed to make fluffernutter fudge.
  • Heavy Whipping Cream– be sure to use the full fat cream, don’t substitute with evaporated milk or half and half here.
  • Butter- for best results, we use unsalted butter and add in kosher salt. This allows us to control the amount of salt, as each brand of salted butter varies.
  • Marshmallow Cream– this gives the fudge it’s soft texture. Use our homemade marshmallow fluff for delicious results.
  • Peanut butter- Choose a shelf stable peanut butter when making fudge, Jif and Skippy are perfect.

How to Make Fluffernutter Fudge

Step by step photos showing how to make fluffernutter fudge.

Here’s how to make your own addictively scrumptious homemade peanut fudge.

  1. Prep the pan. We like to use parchment paper, but foil will work too.
  2. Set aside white chocolate, peanut butter, and marshmallow cream in a bowl.
  3. Heat it up. Bring sugar, butter, and cream to a ROLLING boil and stir continuously for 4 minutes (set your timer)!
  4. Remove from heat. Quickly pour hot mixture into the large mixing bowl with the other ingredients. Mix for one minute, until smooth.
  5. Fold in mini marshmallows and peanuts. Pour fudge into prepared pan and let it set for 3 hours, until hardened.
  6. Serve. Cut into bite sized pieces.
Fluffernutter fudge cut into squares.

Tips and Tricks

  • Mini marshmallows are my preference.  They melt much more quickly than full sized marshmallows and you want the unmelted ones small enough to bite into! If you can’t get miniatures, use full size marshmallows and chop them into bite sized pieces before proceeding with the recipe.
  • Variations: I think this fluffernutter candy is delicious all on its own. If you’re like I usually am and can’t resist adding chocolate to everything, you could certainly top this with a layer of melted dark chocolate! White chocolate would taste great on top of this fudge too if you’re so inclined.
  • Storing: I keep this in an airtight container at room temperature. If your house runs warm you might want to store it in the refrigerator instead.

New to making homemade fudge? My guide for How to Make Fudge is the ultimate guide for making perfect homemade candies, no matter what your skill level.

Piece of peanut butter fudge with marshmallow and peanuts on wooden cutting board lined with parchment paper.

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Fluffernutter Fudge

5 from 5 votes
By: Aimee
Fluffernutter Fudge is easy to make with no candy thermometer! This rich peanut butter fudge tastes even better when you combine it with marshmallow cream and crunchy nuts.
Prep Time: 10 minutes
Cook Time: 5 minutes
Total Time: 15 minutes
Servings: 48 pieces

Ingredients 

  • 3 cups granulated sugar
  • ¾ cup unsalted butter
  • pinch of kosher salt
  • 1 cup heavy whipping cream
  • 2 cups white chocolate morsels
  • ¾ cup creamy peanut butter
  • 7 ounce jar marshmallow cream
  • 1 cup mini marshmallows
  • ½ cup lightly salted roasted peanuts
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Instructions 

  • Line a 8×8 baking dish with parchment paper or foil. Set aside.
  • In a large mixing bowl, add white chocolate morsels, peanut butter, and marshmallow cream. Set aside.
  • In a large saucepan, heat granulated sugar, butter, salt and heavy cream until combined. Bring to a ROLLING boil and stir continuously for 4 minutes (set your timer)!
  • Remove from heat. Quickly pour hot mixture into the large mixing bowl with the other ingredients. Mix for one minutes, until smooth.
  • Fold in mini marshmallows and peanuts. Pour fudge into prepared pan and refrigerate for 3 hours, until hardened.
  • Remove from pan, remove lining. Cut into bite sized pieces.

Notes

  • For best results, use a traditional creamy peanut butter, not a “natural” or no sugar version.
  • Mini marshmallows are my preference.  They melt much more quickly than full sized marshmallows and you want the unmelted ones small enough to bite into! If you can’t get miniatures, use full size marshmallows and chop them into bite sized pieces before proceeding with the recipe.
  • Variations: I think this fluffernutter candy is delicious all on its own. If you’re like I usually am and can’t resist adding chocolate to everything, you could certainly top this with a layer of melted dark chocolate before putting it in the fridge! White chocolate would taste great on top of this fudge too if you’re so inclined.
  • Storing: I keep this in an airtight container at room temperature. If your house runs warm you might want to store it in the refrigerator instead.

Nutrition

Calories: 178kcal, Carbohydrates: 22g, Protein: 2g, Fat: 10g, Saturated Fat: 5g, Polyunsaturated Fat: 4g, Cholesterol: 15mg, Sodium: 41mg, Sugar: 20g
Course: Candy
Cuisine: American
Did you make this recipe?Mention @shugarysweets or tag #shugarysweets!

The creamy, sweet, nutty flavors you loved in your favorite sandwich as a kid are even better in homemade candy form. Make this  Fluffernutter Fudge for yourself, or that special someone in your life! 

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About Aimee

Aimee is a dessert lover (specifically rice krispie treats), workout enthusiast, self-taught foodie, and recipe creator.

Learn more about Aimee.

Affiliate Disclosure:**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**

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Posted on February 9, 2023

Comments & Reviews

  1. This looks sooo good! I have featured you this week on Makin’ You Crave Monday. Come by, say hi, and hope to see you again this week!

    www.MrsHappyHomemaker.com

  2. I LOVE peanuts, and I have a vegan marshmallow recipe open in the other window, so this could be very good timing 🙂

  3. This looks DELICIOUS! So I have been reading a book (Recovering Charles), and one of the characters favorite sandwiches is a fluffernutter sandwich… I am a little ashamed to admit I had to google it to find out what it was!

    Carlee
    www.ladybirdln.com

  4. I’m a huge peanut butter fan! It’s almost a problem…I’ll just spoon it out of the jar 🙂 I’m going to have to give this fudge a try, this looks amazing!I love the marshmallows with the roasted peanuts.. yum!

  5. I’m a huge peanut butter fan! It’s almost a problem…I’ll just spoon it out of the jar 🙂 I’m going to have to give this fudge a try, this looks amazing!I love the marshmallows with the roasted peanuts.. yum!

  6. That fudge looks delicious! I love peanut butter anything! Your recipes always look so delicious. Come visit us. We have some wonderful things to share this week. Risotto with Greens!

  7. Oh my goodness am I making this! I love fluff, lol. Thank you so much for sharing at Mix it up Monday 🙂

  8. Peanut butter fudge is my favorite…okay, really peanut butter anything is my favorite! This variation to regular peanut butter fudge sounds wonderful. I love that there are mini marshmallows and peanuts in it. I will have to try this soon 🙂

  9. I am 100% positive I’m making this fudge ASAP. I am a nut for fluffernutter anything. And so weird, I am not a huge PB fan either! The world works in mysterious ways.

  10. I do happen to love PB…especially when paired with marshmallows (and butter and sugar)…so this is perfect for me 🙂

  11. I just made cooked “candy thermometer” fudge for the first time yesterday and OMG! It’s so good! And this version? With the peanut butter. I’d probably eat the whole tray and make myself sick. 🙂

  12. YUM! Peanut butter fudge is something I can agree on with my Mother-in-Law. We both love it and I make some for her every Christmas. This version looks amazing!

  13. Interesting little fact that you are sharing today…I have now found one more thing that makes us different:-) I love peanut butter anything! I even eat it from the jar 1 spoonful at a time.

    This fudge looks…Amazing!!!! I love soft marshmallows to bite into too!!! So I guess I am moving in with you now. Hope you saved me some fudge!!!

5 from 5 votes (3 ratings without comment)

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