Peanut Butter Fudge Recipe (2024)

  • Fudge
  • Gluten-Free Desserts
  • Christmas Candies
  • Peanuts

This peanut butter fudge recipe is easy and quick. Melt marshmallows with sugar and peanut butter, and you’re almost done! A creamy peanut butter lover’s dream, it makes a great gift.

By

Irvin Lin

Peanut Butter Fudge Recipe (1)

Irvin Lin

Irvin is a critically acclaimed cookbook author and food blogger. His cookbook "Marbled, Swirled, and Layered" was chosen as one of the best baking cookbooks of 2016 in the New York Times.

Learn about Simply Recipes'Editorial Process

Updated March 01, 2022

Peanut Butter Fudge Recipe (2)

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In This Recipe

My partner’s mom makes peanut butter fudge on what seems like a weekly basis. I’m not sure how she can consume so much of it. She has a dedicated baking pan just for this peanut butter fudge and there’s always a tub of it in the fridge.

But when I emailed her asking for the recipe, she didn’t know how to give it to me. Like most recipes of hers, she free-forms it, adding peanut butter until the batter “looks and feels” right.

It looked like I'd need to head into the kitchen and do some experimenting!

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The Secret to Easy Peanut Butter Fudge

The one thing she did casually mention was that she uses marshmallows in her peanut butter fudge, something I'd never thought about. When I make fudge, I often use the old-fashioned method, which requires cooking the sugar to a soft-ball stage of 238°F. It’s fussy and always put me off of making fudge.

But since the sugar in marshmallows has already been cooked and turned into a candy, using them to make the peanut butter fudge seemed like an easy and totally acceptable cheat.

And easy it was! This easy peanut butter fudge recipe is a snap to make and super smooth. So easy that I’m fearful I’ll end up like her, making this easy peanut butter fudge on a weekly basis. I can feel my waistline expanding already.

The Best Peanut Butter for Fudge

I use smooth peanut butter in this fudge, but if you prefer a little texture, feel free to use the same amount of chunky peanut butter in its place.

You'll get the best results if you stick with commercial brands of peanut butter (Jif, Skippy, Peter Pan). Natural peanut butter has a tendency to separate, and it can sometimes interfere with how the fudge sets up. (If you do want to try using natural peanut butter, just make sure it's very well-stirred and the oil is well incorporated.)

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Subs and Additions to Peanut Butter Fudge

  • Substitute coconut milk for a non-dairy version of this fudge
  • Make chocolate peanut butter fudge by drizzling melted chocolate over the top, or sprinkling chocolate chips on top right after smoothing out the fudge in the pan and gently pressing them in.

How to Store Peanut Butter Fudge

Store this fudge in an airtight container. The fudge keeps for about a week at room temperature or 2 to 3 weeks refrigerated.

To freeze, wrap the chilled fudge in plastic wrap and then transfer to a freezer storage bag. Freeze for up to a month and thaw in the fridge.

Mini vs. Regular Marshmallows

You need marshmallows for this recipe, but there's wiggle room with the size of the marshmallows.

  • 10 miniature marshmallows is the equivalent of 1 regular marshmallow. Substitute 60 miniature marshmallows for the 6 regular-sized ones in this recipe.
  • 4 regular marshmallows are the equivalent of 1 jumbo marshmallow. Substitute 1 1/2 jumbo marshmallows for the 6 regular-sized ones in this recipe.
  • You cannot substitute marshmallow creme for the marshmallows. Marshmallow creme doesn't have any gelatin, and this recipe requires the gelatin for the fudge to set.

How to Package Peanut Butter Fudge for Gifts

Homemade fudge makes a thoughtful gift. These tips will help you package it for gift giving.

  • Wrap cooled and then refrigerated fudge tightly in plastic wrap so it does not dry out.
  • Add a layer of parchment paper around the plastic wrap. It will look nicer when the recipient opens the box.
  • Put the fudge in an appropriately sized box. You can buy candy boxes at a craft store that will work well as gift boxes.

To send the fudge, you'll need two boxes—one for boxing up the fudge and one to place that box, or boxes, of fudge in.

  • Use packing material so the box that the fudge is in does shift in the shipping box.
  • If you're shipping during warmer months, you'll need frozen gel packs or dry ice and an insulated shipping container or the fudge may melt.
  • If you're shipping during colder months, you can mail the fudge without the assistance of a cold pack or dry ice.

Freezing Peanut Butter Fudge

This fudge freezes well, so it's a convenient, crowd-pleasing treat to make ahead of a party. Make it in batches as written; we don't recommend doubling the recipe.

To freeze, cool the fudge completely and wrap in one large piece in plastic wrap. Place the wrapped fudge in a freezer safe zipper bag. Defrost in the refrigerator.

More Peanut Butter Treats!

  • Peanut Butter Swirl Brownies
  • Peanut Butter Pie
  • Peanut Butter Blossom Cookies
  • Peanut Butter Balls (Buckeyes)
  • Peanut Butter Chocolate Chip Banana Bread

From the Editors Of Simply Recipes

Easy Peanut Butter Fudge

Prep Time5 mins

Cook Time10 mins

Cooling Time12 hrs

Total Time12 hrs 15 mins

Servings64 servings

You'll get the best results if you stick with commercial brands of peanut butter (Jif, Skippy, Peter Pan). Natural peanut butter has a tendency to separate, and it can sometimes interfere with how the fudge sets up.

Have your lined baking pan ready to go before you start and work fast once you remove the saucepan from the heat. As the fudge starts to cool, it can become difficult to work with.

Ingredients

  • 1/2 cup whole milk

  • 6regular-sized marshmallows, certified gluten-free if needed

  • 3/4 cup (150g) sugar

  • 3/4 cup (165g) light brown sugar

  • 2 teaspoons vanilla extract

  • 1/2 teaspoon kosher salt

  • 1 1/2 cups (420g) smooth peanut butter (notnatural peanut butter, see Recipe Note)

Method

  1. Prepare the baking pan:

    Lightly spray an 8 x 8-inch baking pan with cooking oil. Line with parchment paper.

    Peanut Butter Fudge Recipe (6)

  2. Warm the milk and marshmallows:

    Place the milk and the marshmallows in medium pan. Turn the heat to medium low and gently heat the milk. Stir constantly until the marshmallows have melted. If the milk starts to foam up too much, reduce the heat.

    Peanut Butter Fudge Recipe (7)

  3. Stir in the sugars, followed by the remaining ingredients:

    Once the marshmallows have melted, add both sugars and continue to cook on medium low heat while stirring until the sugars have dissolved and the liquid is smooth. Add the vanilla, salt, and peanut butter. Stir until smooth and incorporated into the batter.

    Peanut Butter Fudge Recipe (8)

    Peanut Butter Fudge Recipe (9)

  4. Pour the hot fudge into the prepared pan:

    Once the fudge batter is smooth and uniform, immediately pour it into the prepared pan and smooth out with spatula or butter knife.

    Peanut Butter Fudge Recipe (10)

  5. Cool overnight:

    Let the fudge cool to room temperature in the pan, then chill in the fridge overnight.

  6. Cut the fudge:

    The next day, lift the fudge from the pan using the parchment paper and cut into 1-inch squares.

    Store in an airtight container. The fudge keeps for about a week at room temperature or 2 to 3 weeks refrigerated.

    Peanut Butter Fudge Recipe (11)

Peanut Butter Fudge Recipe (12)

Nutrition Facts (per serving)
58Calories
3g Fat
7g Carbs
1g Protein

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Nutrition Facts
Servings: 64
Amount per serving
Calories58
% Daily Value*
Total Fat 3g4%
Saturated Fat 1g3%
Cholesterol 0mg0%
Sodium 41mg2%
Total Carbohydrate 7g3%
Dietary Fiber 0g1%
Total Sugars 6g
Protein 1g
Vitamin C 0mg0%
Calcium 8mg1%
Iron 0mg1%
Potassium 42mg1%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Nutrition information is calculated using an ingredient database and should be considered an estimate. In cases where multiple ingredient alternatives are given, the first listed is calculated for nutrition. Garnishes and optional ingredients are not included.

Peanut Butter Fudge Recipe (2024)

FAQs

What is the secret to good fudge? ›

Tips for Making Fudge
  • Monitor the Temperature with a Candy Thermometer. If you end up with soft fudge that turns into a puddle in your hands or hard fudge that is a bit reminiscent of a crunchy candy, improper temperature is likely to blame. ...
  • Avoid Stirring Once the Mixture Comes to a Simmer. ...
  • Beat Thoroughly.
Mar 8, 2023

Why won t my peanut butter fudge harden? ›

Fudge Didn't Set

If your fudge turned out super sticky, or it didn't set as it cooled, it probably never got hot enough. This mistake is super easy to avoid if you use a candy thermometer and cook the fudge to the temperature specified in the recipe (usually between 234 and 239°F).

Why is my peanut butter fudge dry and crumbly? ›

If it doesn't boil, your fudge will end up too mushy, and if it cooks for too long, you'll end up with a dry, crumbly mess. This is why many recipes recommend using a candy thermometer, so you know exactly when to remove your mixture from the heat.

How do you keep peanut butter fudge from being grainy? ›

Once a seed crystal forms, it grows bigger and bigger as the fudge cools. A lot of big crystals in fudge makes it grainy. By letting the fudge cool without stirring, you avoid creating seed crystals.

Is evaporated milk or condensed milk better for fudge? ›

Evaporated milk doesn't have sugar added. The sweetened condended milk is needed as no extra sugar is added to the fudge. If evaporated milk were used then the fudge would not be sweet enough and also would still be too soft unless the fudge is frozen.

What not to do when making fudge? ›

7 Common Mistakes to Avoid for Candy Shop-Worthy Fudge and Caramels
  1. Using the Wrong Pan. All candy and confections start by melting sugar. ...
  2. Stirring the Sugar. ...
  3. Not Using a Candy Thermometer. ...
  4. Leaving Out the Parchment Paper Lining. ...
  5. Skipping the Cooking Spray. ...
  6. Scraping the Pot. ...
  7. Using a Cold Knife to Slice.
Dec 16, 2015

What ingredient makes fudge Harden? ›

As water gradually evaporates, sugar is concentrated and the temperature of the mixture rises above 100°C (212°F). If there is too much evaporation, when the cooking time is too long, there will not be enough water left in the fudge and it will be too hard.

Can you mess up fudge? ›

If your fudge is tough, hard, or grainy, then you may have made one of several mistakes: You may have overcooked it, beaten it too long, or neglected to cool it to the proper temperature.

What makes fudge softer? ›

Undercooked. This fudge was cooked until the temperature reached only108 °C (226 °F). At this temperature, the sugar is not concentrated enough... there is too much leftover water in the syrup and the resulting fudge is soft.

What can you do with peanut butter fudge that didn't set? ›

OPTION 4) If you think the reason it didn't set was because you didn't heat it to the right temperature, you could try putting it back into the pan and re-cooking.

Why did my fudge turn out like taffy? ›

If the fudge is very soft and slightly chewy then it is possible that it did not quite cook to soft ball stage and next time the mixture should be cooked to a slightly higher temperature (soft ball is 112-116c/235-240F and a sugar or candy thermometer can help).

Can you over whisk fudge? ›

If you are using an electric whisk instead of hand beating your Homemade Fudge it's important to remember that this is a very easy way to overbeat Fudge. When Fudge is overbeaten it can also create a grainier texture on the tongue, so be extra careful when using electric equipment to beat your Homemade Fudge!

Can you reboil fudge that hasn't set? ›

How can you fix soft fudge? Put it in a microwave safe bowl that is large enough that it won't boil over. Reheat it to the boiling point and cook for about 3 more minutes. Then you can beat some powdered sugar into it if this doesn't make it set.

Why won't my 3 ingredient condensed milk fudge set? ›

This often happens when the condensed milk and chocolate chip mixture isn't hot enough to start. Everything must be completely melted before it is transferred to the pan to cool. Heat in 30-second bursts in the microwave, stirring well between each to ensure everything is melting evenly.

How do you increase the texture of peanut butter? ›

Chunky butter lovers may want to reserve half of the peanuts to add along with the oil and honey, for more texture.
  1. continue to blend until the peanuts look damp and matted.
  2. Scrape down the sides, add the oil, honey, and salt, and blend on high until the desired texture is achieved, another minute or two.
Jul 15, 2017

What makes high quality fudge? ›

You have to control two temperatures to make successful fudge: the cooking temperature AND the temperature at which the mixture cools before stirring to make it crystallize. Confectionery experiments have shown that the ideal cooking temperature for fudge is around 114 to 115 °C (237 to 239 °F).

How do you make fudge creamy and not grainy? ›

Once the sugar has dissolved and the mixture has come to a boil, do not stir it. If you do, the sugar can crystallize, giving your fudge a gritty texture. As you beat the fudge, pay attention to color and texture. Once the fudge loses its sheen and thickens, put down your spoon.

What does cream of tartar do in fudge? ›

If you add a teaspoon of Cream of Tartar to fudge this will inhibit the formation of crystals to a degree but please be aware THIS DOES NOT REPLACE THE BEATING PROCESS!

What keeps fudge from getting hard? ›

If there is too much evaporation, when the cooking time is too long, there will not be enough water left in the fudge and it will be too hard. Conversely, if the cooking time is too brief and there is not enough evaporation, too much water will remain and the fudge will be too soft.

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