2 Ingredient Peanut Butter Fudge
This 2 ingredient peanut butter fudge recipe couldn’t be any easier to make! As the name implies, it only requires two ingredients to make and only takes 10 minutes of prep to put together!
If you’re a fan of peanut butter, you’re absolutely going to love this peanut butter and frosting fudge recipe. It’s not only going to be a crowd pleaser with your friends and family, but would also be a great option for any parties, and it’s even a great option to make for a bake sale!

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Why you’ll love this recipe
This recipe only requires 10 minutes of prep time. It then takes an hour to solidify in the fridge before it’s ready to indulge in! Plus, the two ingredients needed are pantry staples, so you may already have them in your kitchen!
This Old Fashioned Potato Candy and this vanilla fudge recipe are a quick and easy treat for sharing over the holidays.
Ingredients for this recipe
You may be wondering what is needed for this recipe since it only uses two ingredients.
Peanut Butter: The entire taste of this recipe is focused on the peanut butter.
Frosting: Add some sweetness to the fudge with some frosting – we suggest vanilla flavor!

Substitutions
– Feel free to use another butter of your choice such as almond butter if you would prefer.
– Choose any flavor of icing to mix with this recipe. Chocolate could be a tasty option!
How to make 2-ingredient peanut butter fudge

Step One: Empty both the peanut butter and frosting into a microwave-safe container.

Step Three: Then microwave on high for 1 min and pour the mixture into a glass baking pan.

Step Two: Microwave on high for 1 min. Remove from microwave and stir.

Step Four: Smooth out, then refrigerate until hard.
What other peanut butter recipes should you try?
Peanut butter is such a popular flavor for baking, you’ll likely want to experiment with other fun peanut butter recipes! You may enjoy this Weight Watchers Peanut Butter Whips recipe, or if you’re craving some cookies, you could always try out this Peanut Butter Blossoms recipe. For an energizing treat, you could always make this Chocolate Peanut Butter Energy Balls recipe, or get really creative with this Chocolate Peanut Butter Dessert Pizza recipe!
Common Questions
How long do I let fudge sit?
This microwave peanut butter fudge recipe just requires about one hour in the fridge to harden before you serve it.
Can I add toppings to this 2 ingredient peanut butter fudge recipe?
You certainly could! For example, some sprinkles could add a really fun pop of color!
Can I make this fudge with any frosting?
I avoid making my peanut butter fudge recipe with either cream cheese or whipped frostings. The fudge just doesn’t taste the same with those kinds of canned icing.
You can pretty much use any brand of frosting though so feel free to use whatever one you like or have on hand!
How do I double this easy PB fudge recipe?
This recipe is super simple. It’s a 1-to-1 ratio of peanut butter and icing. So however much icing you want to use, just use that much peanut butter to balance it out.
If you want to simply double the recipe you’ll need to use 32 oz of peanut butter and 32 oz of icing.

Storage suggestions
The best way to keep fudge fresh for as long as possible is to keep it in an airtight container at room temperature. This will help to prevent the fudge from drying out before you’re finished with it.
Printable Easy Peanut Butter Fudge Recipe:

2 Ingredient Peanut Butter Fudge
2 Ingredient Peanut Butter Fudge is a long time favorite in our house! Over the years I have made this fudge for bake sales, family gatherings and just to have around the house for a special treat.
Ingredients
- 16 oz Jar of any brand peanut butter
- 16 oz Tub ready made frosting any flavor, I like the plain vanilla,the best but avoid cream cheese and whipped they don't get as firm
Instructions
- Empty both the peanut butter and frosting into a microwave safe container.
- Microwave on high for 1 min. Remove from microwave and stir.
- Then microwave on high for 1 min and pour mixture into glass banking pan. (9 x 9, works best)
- Smooth out, then refrigerate until hard
Nutrition Information
Yield 25Amount Per Serving Calories 190Saturated Fat 2gSodium 121mgCarbohydrates 16gFiber 1gSugar 13gProtein 4g
Can you use almond butter in stead ?
I would think almond butter would work just fine. Let me know how you make out.
Does it have to be in a glass pan?
No, I use glass or plastic and I’m sure any pan will do.
I used Nutella & Vanilla frosting – Oh My Gosh!! so yummy! not going to last long.
I need to try it!
the only suggestion i have about using Nutella is to microwave it for less time. when we took it out of the microwave after the second minute there was an oily liquid separating. it took lots of stirring to get it mixed back it, not certain we entirely succeeded. it is still delicious.
Thanks for the update.
If I keep this in the fridge in a covered container, how long until it goes bad?
I have kept it in the fridge for a week. It usually doesn’t last long in our house!
Hi I I’m going to try it with Sugar free frosting and peanut butter. I will let you know how it turns out I love to bake. Thank you for sharing this recipe.
How was it with the sugar-free icing?
AWESOME! Thank you SO MUCH I made this for my patients at work for snack (diabetics) they LOVED IT !!!!
Glad you came up with this on the sugar free. I have been wanting to make a sugar free fudge for years.
How did it turn out?
Can i make these into fudge balls?
I am sure balls would be just fine! Thanks
I’m going to try it this week
Hope it turned out good!
I would have to make it a 3 ingred. fudge because I would have to add some walnuts because what is fudge without nuts…..
Good call!
i sure wish I had come across your recipe yesterday… 🙁 I saw the same recipe on facebook and thought it would be something quick and easy I could do while the rest of the food was cooking… Only problem is, there was no mention of “not” using whipped or sour cream frosting…. Guess what I grabbed because there was no vanilla frosting left on the shelf? Sigh!!
Could try to add some melted chocolate pieces into the mixture. Use white or peanut butter chips if making the peanut butter fudge. Chocolate chips for peanut butter and chocolate. half to 3/4 cup of chips could help set the fudge…. You would have to experiment.
Sounds like a great idea!
I’m gonna try with Reece pieces,also white choclate morsels, and also walnuts!
Oh my word! Sounds delicious!
@Jb, I wonder if you could add some powdered sugar to thicken it
Hey i love your blog! The thing is… I don’t have a microwave (I know it sounds crazy) but, could I just heat the peanut butter and vanilla icing up on the stove top in a sauce pan?
I am sure a stove top would work. Heat just enough to stir together thoroughly. Be careful not to burn. Good luck!
I WOULD HEAT IN A DOUBLE BOILER SO IT DOESN’T BURN………..JUST MY THOUGHTS…………..
i’d be careful with direct heat, maybe try putting the ingredients in a bowl on top of a sauce pan of boiling water – like you would for melting chocolate. (Don’t let the water touch the bowl though)
Can you use organic pb? I never buy the sugary stuff.
I would use any peanut butter you like.
I’ve always heard that organic peanut butter had a lot more oils than store bought this why it’s not best to use unless u add powder sugar
Just made this with chocolate icing & peanut butter….plus a few peanut butter chips (about a handful – seems to give it a bit firmer texture). The fudge on the spoon was Good=like a Reeses cup. waiting for it to harden & thinking I might be sorry I made this…it wont last long….my family loves Reeses cups!
Oh my sounds delightful! I love peanut butter cups, too!
Have you tried it with chunky peanut butter?
Awesome with chunky Peanut butter.
Yes and it taste like the Smoothies candy! Yum
I just made some with the chocolate frosting too. Sure looks good. Something easy and fast !!
I bet it’s great!
2 ingredients ? Recipe please
This looks so good! I’m going to give it a try.. I have some green frosting…. that may make for a funny color but will be delicious!
I love this recipe! I make it all the time! I have found that the fudge has a much silkier texture if you melt the peanut butter and icing separately, and then mix the two together. I line my glass pan with foil and then just pop out the whole thing to cut into pieces. Thanks for sharing!
I am going to try this with 1/2 PB and 1/2 Nutella.
sounds wonderful
I made this with peter pan creamy peanut butter,and pislbury chocolate icing,8×8 glass pyrex pan with sealed lid. Refrigerated overnight,while it is VERY yummy,i cant get it to be hard enough to come put in nice pieces. What did i do wrong? I followed your video to a T. Thanks!
If you microwave too long it will not set correctly. Was it the whipped icing? That will make a difference. Vanilla is my stand by. Sorry it didn’t set. The only thing I can figure out is the frosting might have changed, since companies always update it. Sounds like you have a good ice cream topping if it didn’t get hard. Thanks
A friend of mine turned me on to this fudge but she uses (And I also) white chocolate bark instead and it is so good and comes out perfect. I haven’t made it for awhile so I don’t remember the ratios but it’s prepared the same as this one. But it comes out perfect.
Ok…..so can it be done “easy” with chocolate? :/ …cocoa maybe?
I have never tried it with anything but the frosting. Let me know how it works for you. Thanks! Michele
Mine came out a little thin, so I added milk chocolate morsels. They gave it a nice consistency plus added the chocolate flavor!
More of a question; is this recipe keto friendly?
With all of the sugar, I would guess no. But I am not sure. Thanks for asking!
This is exactly what I was thinking when I was reading this recipe. Did you try it using Nutella, and if so how was it?
I haven’t tried it with Nutella. Let me know how it turns out.
I just whipped this up and subbed out 1/3 of the peanut butter with Nutella.. Smells and looks divine, it’s in the fridge now- I can’t wait to try it!
I’m going to try this. I mix my peanut butter and frosting together and sofen it in the microwave. Mix it good. Put in the fridge until it gets firm. Roll them into balls and dunk them is almond bark chocolate. That’s takes a minute I’m giving this a try.
Can you use crunchy peanut butter in this fudge recipe
I have never tried crunchy peanut butter, but I assume it should work the same. Thanks
How did this turn out?
Thanks for sharing I’m going to attempt to do this for my family for the holidays
I am sure they will love it! Thank you!
How many oz. of frosting do you use? It seems the tubs are smaller than they used to be and it may not be enough for that much peanut butter.
I agree tubs are smaller. But I am still using them.
Great idea! And with foil. I’m excited to try!
I’m lost on last thing it said to do it doesn’t make sense?
I did not think you could put foul in the microwave???
You’re not putting the foil lined pan in the microwave. You’re putting the bowl with the frosting and peanut butter back in the microwave a second time before putting it in the foil lined pan
@Allie, trying it ur way. It’s my first time!! Hope it’s yummy…
@Peggy, Use the same amount of peanut butter as your frosting. If the tub is 16 ounces, use 16 ounces of pb. If the frosting is 14 ounces, use 14 ounces of pb…….etc.
@Allie, I used your advice on heating separately and it did turn out better. Thanks for sharing
A little late to the show, but Peter Pan has a bit more oil than other peanut butters, probably why it makes a softer fudge. Try a different brand or use a bit less of it. I’ve used Kroger brand and it worked well.
@Allie, I melt mine separately also. And I add pecans. Delicious.