You’re four ingredients away from peanut butter fudge with an extra intense peanut butter flavor! This easy peanut butter fudge recipe comes out smooth and creamy with less than 10 minutes of prep, using the microwave. It’s that easy!
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If you’re a peanut butter lover like me, this easy peanut butter fudge will be your go-to dessert. Plus it keeps well in the fridge for weeks – and freezes for months! Fudge yeah! If you prefer chocolate fudge, you can’t miss my Fantasy Fudge Recipe.
Peanut butter crazed? Try my Peanut Butter Pie or my 5-ingredient Peanut Butter Cookies too.
Why You’ll Love This Easy Peanut Butter Fudge Recipe
- Extra peanut buttery flavor!
- Creamy and soft
- Only 4 ingredients
- SO easy, 10-minute microwave recipe
- Beloved by family and friends for YEARS and YEARS!
Ingredients
- Smooth peanut butter – regular, smooth peanut butter is the best option for making this fudge! Stay away from natural peanut butter.
- Confectioner’s sugar – confectioner’s sugar (AKA powdered sugar) is the base for fudge! I use less confectioner’s sugar than most peanut butter fudge recipes. You end up with a rich peanut buttery taste and soft, creamy fudge.
- Salted butter – I use salted butter so you don’t need to add salt too. You can add in ½ teaspoon salt if you’re using unsalted butter.
- Vanilla extract – vanilla extract adds flavor.
How to Make Easy Peanut Butter Fudge
Learn how to make easy peanut butter fudge in a few steps. Full instructions in the recipe card; this is just an outline!
- Prepare: Grease or line an 8×8” baking dish with parchment paper.
- Mix: Melt butter and peanut butter in the microwave. Add vanilla and stir. Add sugar and stir until smooth. If there are lumps, microwave mixture in increments of 15 seconds, stirring vigorously every increment.
- Set: Pour into prepared pan. Refrigerate for about 2 ½ hours. Slice.
My Pro Tip
Tips for Making the BEST Easy Peanut Butter Fudge
- Stay away from natural peanut butter.
- If you don’t have a sifter, you can simple add in unsifted sugar and work the lumps out by heating the mixture according to the steps above.
- If you’d like to make a pretty design on top of your fudge, refrigerate the prepared pan of fudge for a few minutes until it just starts to set. Then use a spatula to make a pretty swirl design, and place your fudge back in the fridge to finish setting!
- Run a knife under hot water to slice peanut butter fudge with ease.
- If you like your peanut butter fudge soft, enjoy at room temperature. If you like your peanut butter fudge more dense, enjoy chilled.
FAQs
Fudge keeps well at room temperature for about a week, or in the fridge for 2-3 weeks!
Yes absolutely! Freeze the peanut butter fudge in a freezer-safe container for up to 3 months. Thaw in the fridge overnight for best results.
More Peanut Butter Recipes You’ll Love!
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Best 5-Minute Homemade Peanut Butter
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No-Bake Peanut Butter Bars
Dressings, Sauces & Dips
Dad’s Peanut Sauce Recipe
If you’ve tried this Easy Peanut Butter Fudge or any other recipe on my website, please let me know in the comments below. I love hearing from you. Please consider leaving a 🌟 star rating while you are here!
Easy Peanut Butter Fudge
Equipment
- 8×8" baking pan (you can also use a 9×9" pan if needed)
Ingredients
- 1 cup smooth peanut butter
- 2 ½ cups confectioner’s sugar, sifting recommended
- 1 cup salted butter, (2 sticks)
- 2 teaspoons vanilla extract
Instructions
- Grease or line an 8×8” baking pan with parchment paper (so you can easily lift the fudge out of the pan).
- Melt butter and peanut butter in the microwave, until butter is just melted. Add vanilla and stir until uniform. Add sugar and stir until smooth. If there are lumps, microwave mixture in increments of 15 seconds, stirring vigorously every increment, until lumps dissolve.
- Pour and spread evenly in prepared pan. Refrigerate for about 2 ½ hours, until set. Slice.
Video
Notes
- Stay away from natural peanut butter. Use regular smooth peanut butter.
- If you’re using unsalted butter, add in ½ teaspoon salt.
- If you don’t have a sifter, you can simple add in unsifted sugar and work the lumps out by heating the mixture according to the steps above.
- If you’d like to make a pretty design on top of your fudge, refrigerate the prepared pan of fudge for a few minutes until it just starts to set. Then use a spatula to make a pretty swirl design, and place your fudge back in the fridge to finish setting!
- Run a knife under hot water to slice fudge with ease.
- Fudge keeps well at room temperature for about a 1 week, in the fridge for 2-3 weeks, and in the freezer for 3 months.
- If you like your fudge soft, enjoy at room temperature. If you like your fudge more dense, enjoy chilled.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
Super simple and absolutely delicious! My honey loves anything peanut butter and said this is the best peanut butter fudge he’s ever tasted!!!!
Hi Jammie,
Amazing!!! So happy you both loved it! Thanks so much for letting me know.
Grace
So peanut buttery and AMAZING. Easy to follow instructions.
Hanna,
Woohoo! It’s the best, isn’t it?
Grace
Easiest and best fudge I’ve ever had!
Thanks Georgia!! I agree!
This fudge tastes amazing!!! But for some reason, mine never set up despite following the directions. Any suggestions or recommendations? Thanks!
Hi Michelle,
Ahh that’s so odd! I’m trying to think why this could be. Honestly the only thing I can think of is if your PB was oily (like a natural peanut butter) or if all ingredients were mixed at once? To fix, it’s difficult to say (how liquidy is it?). If it’s close to set but not quite there, I recommend keeping it in the fridge for an hour or 2 longer, or even try popping in the freezer for a bit! Otherwise, it might be better to start over with a different PB (like a standard Jif). Feel free to send me a pic to my email TastefullyGrace@gmail.com and I can try to help troubleshoot!
Grace
Thanks for your response! I did you JIF peanut butter, but it was a tad more oily than normal, so that probably is why! The consistency was similar to a really soft putty, like I could cut it at all, just scoop it with a spoon. Luckily, setting it in the freezer did firm it right up. It’s absolutely delicious!
Thanks again!
Michelle
Hi Michelle,
SO glad the freezer helped. Phew! Thanks so much for reaching out and your review!
Grace
Haaa thought you might be interested in hearing I recently had to take over 90% of the household chores since my wife had her stroke. one of the things I’ve found fun is cooking for us. Bought rather nasty peanut butter4 we didn’t like but instead of throwing it out decided to try and make fudge. Haaa found this recipe which was right up my alley as I don’t like long difficult preparation ones. I have made 3 batches of this and each time I’ve played with the recipe a little just checking out different spices. A little nutmeg in one and this one today a little pumpkin pie spice. Oh my goodness!! I share with my neighbors as they help me out a lot. So when I’m making things I always make an extra for them. Shepards pie, meat loaf things like that.
All that to say thanks for the easy but wonderful recipe!!!
Hi Tom,
I love the different flavor combinations you came up with! Thanks so much for sharing your story. I’m so glad you like the fudge. If you try any other recipes, please let me know!
Grace
Thank you for this perfectly simple and absolutely delicious recipe! It’s a new household favorite treat that I make frequently instead of buying candy for the candy jar lol Detailed, accurate, wonderful recipe!
Hi Tessa,
Thanks for your comment. I’m so glad you love this recipe as much as I do!
Grace
So delicious. My guyโs new favorite ask! Iโve made it twice in two weeks. ๐
That’s what I love to hear! Thanks for commenting!
Grace
If I could give it more stars, I would!
This is the best peanut butter fudge Iโve ever had, hands down!!!
Wooohoo! Thanks for commenting!
Grace
I really loved this one. My family now wants me to make fudge all the time.
Awesome to hear!!
Grace
Thank you this peanut butter fudge recipe is the best I’ve ever had
This makes me so happy! Thanks for the comment ๐
Grace
I finally found out that you have microwave fudge. This an awesome recipe and now I can’t stop making microwave fudge.
SO happy to hear! Thanks for commenting ๐
Grace