Fluffernutter Fudge

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.


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

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. 5 stars
    This was amazing! Who would have thought it could make such a yummy fudge. Our whole family loved it.

  2. 5 stars
    Love this fudge! I am always a fan of peanut butter and the addition of marshmallow just makes it even better! This is going be a new favorite in our house!

  3. Went out and bought a candy thermometer just so I could make this fudge. So happy to find an appealing peanut butter recipe without chocolate. Don’t get me wrong. I love chocolate and I love peanut butter, just not combined. Thank you!

  4. Peanut butter, marshmallows and peanuts all in one little recipe? Looks DELICIOUS!!!!!!!!!!!!!!!!!!!!!!!!!!!! Mmmmmmm!!!

  5. This recipe looks so delicious! Thanks for sharing. We loved having you join us at “Strut Your Stuff Saturday.” We hope you’ll be back next week! -The Sisters

  6. Holy Flippin’ Cow — these look incredible! Pinned ’em and am spotlighting your post on my Facebook page. You can bet I’ll be making them soon too!

  7. I am trying to imagine not liking peanut butter. 😉

    Pinning. Thanks so much for linking up at Weekend Potluck.

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