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A single, thick square of creamy peanut butter fudge dusted generously with powdered sugar.

3-Ingredient peanut butter fudge: Amazing joy

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Written by Alex Hayes

January 8, 2026

Sometimes, the most satisfying things in life are also the easiest, right? I spent years overcomplicating my cooking, trying to chase complicated flavors, but honestly, my heart belongs to those truly simple desserts that just *work*. If you’re anything like me, maybe you’re dreaming about something rich, sweet, and ready right now. Well, ditch the candy thermometer and wave goodbye to your mixer.

I am so happy to share what I now call The Ultimate Creamy & Easy 3-Ingredient Microwave Peanut Butter Fudge. Truly, this recipe proves that incredible, soul-satisfying food doesn’t have to be complicated. In just a few minutes, you’ll have the best peanut butter fudge you’ve ever tasted. It is ridiculously quick, wonderfully rich, and proof that finding pure joy in the kitchen doesn’t require complex techniques. This is exactly the kind of simple, rewarding baking that reminded me why I love to cook in the first place. You can see a bit more about my own kitchen journey over on my About Page!

Why This Creamy Peanut Butter Fudge Recipe Is Your New Favorite

I hear you. Sometimes you need a sweet fix *right now*, and the thought of making a batch of classic old fashioned fudge that takes an hour of stirring is just too much. That’s where this recipe steps in to save the day. It delivers all the melt-in-your-mouth candy satisfaction without any hassle. Seriously, I keep coming back to this because it never fails to be the dreamiest, creamiest peanut butter fudge recipe.

The Ultimate 3 Ingredient Peanut Butter Fudge

When I say simple, I mean it! We are using just three core items to create this masterpiece. This minimal count makes it the perfect entry point for anyone who thinks they can’t make fudge. It’s the definition of quick sweet treats!

Microwave Fudge Recipe Speed

Forget babysitting a saucepan over a tricky double boiler. We are using the microwave, which cuts down the active time to mere minutes. It’s the fastest way to get rich fudge onto the cooling rack, meaning less waiting and more happily eating.

Gathering Ingredients for Rich Peanut Butter Fudge

Okay, ready to see how easy this is? The secret to great peanut butter fudge truly lies in using just a few quality things together, and we are keeping the shopping list short and sweet. You likely have everything in your pantry right now! We’re focused on getting that perfectly rich flavor profile without any fuss. Below is exactly what you need for this three-ingredient wonder.

Here is the basic list:

  • 1 (14 ounce) can sweetened condensed milk
  • 1 (16 ounce) jar creamy peanut butter
  • 3 cups powdered sugar

Ingredient Clarity and Notes for Perfect Peanut Butter Fudge

Now, a quick word on the ingredients, because while this recipe uses condensed milk, how you use them matters. Please stick to creamy peanut butter for this specific microwave fudge recipe. If you use natural peanut butter, it might separate during melting, and then you won’t get that beautiful, smooth consistency we are aiming for. Natural peanut butter can also sometimes require more heating time.

If you’re looking for a decadent treat, this rich fudge recipe relying on that can of sweetened condensed milk is just the ticket. It’s the backbone that ensures this fantastic no bake peanut butter dessert sets up perfectly every single time. Trust me on the creamy!

Step-by-Step Instructions for Microwave Peanut Butter Fudge

This is where the magic happens! Seriously, getting this peanut butter fudge done faster than opening a bag of chips is amazing. We are going to use the microwave to blend our fats and milks together perfectly before we mix in the sugar. Follow these straightforward steps, and you’ll have a heavenly, melt-in-your-mouth candy in no time. These instructions are designed to be foolproof, which is why they work so well for anyone new to making fudge.

Preparing the Pan and Melting the Base

First things first, get your 8×8 inch pan ready. Line it with parchment paper, but make sure you leave a good overhang on the sides—this little trick makes lifting the fudge out so much easier later! Lightly grease that paper, just to be safe. Now, combine your sweetened condensed milk and creamy peanut butter in a big, microwave-safe bowl. Pop that mixture into the microwave for 60 seconds total to soften everything up. Stir it until it’s smooth!

Incorporating Sugar and Setting the Peanut Butter Fudge

After the initial melt, you need to keep heating it in 30-second bursts, stirring really well in between each time, until it’s totally smooth and uniform. This usually takes me about two or three minutes total, depending on how zippy my microwave felt that day. Once it’s perfectly blended, start adding your powdered sugar—a cup at a time—and mix vigorously with a sturdy spatula until it thickens into a heavy dough. Press that dough firmly and evenly into your prepared pan. This is a fantastic fudge for beginners because there’s no tricky stirring involved at this stage! Now, chill that beauty for at least two hours until it’s rock solid enough to cut cleanly. If you need a cheering reminder of how good melted chocolate can be while you wait, check out my fudgy brownies recipe!

Tips for Achieving Classic Old Fashioned Fudge Texture

Even though this peanut butter fudge recipe is super simple, a couple of little things can trip you up if you aren’t watching. If you want that melt-in-your-mouth texture without any greasiness or graininess, pay attention to how you mix the powdered sugar in. I know we want that rich flavor, but rushing the chill time is the number one reason people end up with soft, sticky fudge!

Troubleshooting Common Peanut Butter Fudge Issues

Did your fudge end up a little too soft after chilling? Usually, that means you either didn’t introduce the powdered sugar thoroughly enough, or, honestly, you just need to put it back in the fridge for another hour. Don’t sweat it! If you notice the fudge getting grainy once you start stirring in the sugar, that means you’ve over-mixed it; stop when the sugar is just incorporated—you don’t need to beat it into submission.

I always remind people that the final texture of this peanut butter fudge is heavily reliant on the cold, so patience wins the day here. If you follow my simple steps, you’ll have that amazing classic old fashioned fudge everybody asks for the recipe for. You can find lots more helpful hints and techniques over on my main blog page!

Making Peanut Butter Fudge for Holiday Fudge Gifts

Because this is such a fantastic, simple dessert idea, it really shines when you dress it up for a gift! Who wouldn’t be thrilled to get a box of homemade, melt-in-your-mouth treats during the holidays? This peanut butter fudge is perfect because it travels well and holds up beautifully.

Once it’s fully set, use the parchment overhang to lift the whole slab out of the pan. Wipe your knife lightly with some warm water between cuts, and you’ll get those perfectly clean squares. If you want a slightly more elegant look, try cutting them into small triangles!

For wrapping, I love using little cellophane bags tied with some colorful baker’s twine. You can even stamp a little label that says “Made with Joy” on it, or share a link to the recipe right on the tag! For presentation inspiration, have you checked out my recipe for Italian Butter Cookies? They look amazing stacked next to the fudge.

If you share photos of your wrapped peanut butter fudge treats, be sure to tag me over on Facebook at Pure Cooking Joy. I love seeing how you all package these beautiful gifts!

Storage and Reheating Instructions for Your Peanut Butter Fudge

One of the best parts about this easy homemade fudge is that it just keeps so well! Since this is a truly decadent, no bake peanut butter dessert, it doesn’t have any delicate fresh components that spoil quickly. You don’t even need to worry about reheating it, which is just fantastic for quick sweet treats because it’s perfect straight from the fridge!

Store your cut squares in an airtight container. Mine always seem to disappear fast, but if you manage to keep some leftovers, they’ll stay delightfully fresh for about a week at cool room temperature. If you want them to last longer, pop that airtight container into the refrigerator. Just let them sit on the counter for about 15 minutes before serving so they soften up a tiny bit—that gets you back to that perfect, melt-in-your-mouth sensation we love!

Frequently Asked Questions About This Quick Sweet Treat

I know when you’re whipping up something quick, you want to make sure you get it right the first time! That’s why I compiled a few of the questions I get most often about this fantastic, easy homemade fudge.

Can I use crunchy peanut butter instead of creamy?

If you love that texture, go for it! Remember, this is a microwave fudge recipe, so the melting process is fast. If you use crunchy, the nuts won’t melt down, which is totally fine if you prefer that bite. However, for that velvety smooth, melt-in-your-mouth candy texture that people usually rave about, stick with creamy peanut butter.

Do I absolutely have to refrigerate this peanut butter fudge?

Yes, you absolutely have to chill it to get it firm enough to cut! This recipe relies on the cold to set up because it’s a wonderfully fast no bake peanut butter dessert. Give it at least two solid hours in the fridge, though honestly, overnight is even better for achieving that classic, clean slice.

What if I want to make this without a microwave?

You certainly can! If you aren’t a fan of the microwave, you can absolutely make this using the stovetop method for a traditional experience. Gently heat the condensed milk and peanut butter in a saucepan over low heat, stirring constantly until they are just melted and smooth. Don’t let it boil! Then proceed with mixing in the sugar as normal. It turns into a very respectable slice of fudge for beginners that way too!

If you ever need more straightforward, approachable baking ideas, you should take a peek at my breakfast cookie recipe—another simple win!

Estimated Nutritional Data for Peanut Butter Fudge

I always think it’s good to have a general idea of what’s going into what we eat, even when it’s a super simple treat like this peanut butter fudge! Since this recipe is so easy and relies on just three main ingredients, the numbers are pretty straightforward. Remember, these figures are only estimates based on the exact products I used in my kitchen when developing this rich fudge recipe.

Here’s a quick overview for one small square:

  • Calories: 155
  • Sugar: 18g
  • Total Fat: 8g
  • Protein: 3g
  • Carbohydrates: 20g

So, enjoy a decadent piece of this quick sweet treat knowing exactly what you’re diving into. It’s worth every single bite, trust me!

Share Your Creamy Peanut Butter Fudge Creations

I am so thrilled you gave this ridiculously easy peanut butter fudge a try! Honestly, seeing your successes with these simple recipes is the best part of my day. Knowing you whipped up this melt-in-your-mouth candy in practically no time just makes me smile.

If you loved how fast and simple this was, please consider leaving a quick star rating right here on this page. It helps other folks trying to decide if they should dive in! And hey, if you snap a photo of your perfectly creamy squares, tag me! You can reach out to me directly when you have questions or feedback over on my Contact Page. Happy baking, friends!

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The Ultimate Creamy & Easy 3-Ingredient Microwave Peanut Butter Fudge

Two squares of creamy peanut butter fudge dusted heavily with powdered sugar sitting on a light plate.

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I am so glad you are here. This recipe proves that incredible, soul-satisfying food does not have to be complicated. Make this rich, creamy peanut butter fudge in minutes using just three simple ingredients. It is perfect for quick sweet treats or holiday fudge gifts.

  • Author: purejoyalex
  • Prep Time: 10 min
  • Cook Time: 5 min
  • Total Time: 15 min
  • Yield: 36 small squares 1x
  • Category: Dessert
  • Method: Microwave
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale
  • 1 (14 ounce) can sweetened condensed milk
  • 1 (16 ounce) jar creamy peanut butter
  • 3 cups powdered sugar

Instructions

  1. Line an 8×8 inch baking pan with parchment paper, leaving an overhang on the sides for easy removal. Lightly grease the paper.
  2. In a large, microwave-safe bowl, combine the sweetened condensed milk and creamy peanut butter.
  3. Microwave on high for 60 seconds. Stir well until the mixture is smooth.
  4. Continue microwaving in 30-second intervals, stirring well after each interval, until the mixture is completely smooth and easily combined. This usually takes about 2 to 3 minutes total, depending on your microwave power.
  5. Gradually add the powdered sugar to the peanut butter mixture, mixing with a sturdy spoon or spatula until fully incorporated and a thick dough forms. This is the best peanut butter candy base.
  6. Press the fudge mixture evenly into the prepared baking pan. Use a piece of plastic wrap or a greased spatula to press it down firmly.
  7. Refrigerate for at least 2 hours, or until the fudge is firm enough to cut.
  8. Lift the fudge out of the pan using the parchment paper overhang. Cut into small squares. Store leftovers in an airtight container.

Notes

  • For a richer flavor, you can substitute half of the creamy peanut butter with natural peanut butter, but be aware that natural peanut butter may require slightly longer microwaving time to incorporate fully.
  • If you want to make this a classic old fashioned fudge presentation, you can dust the top lightly with extra powdered sugar before cutting.
  • This recipe is a fantastic no bake peanut butter dessert option for beginners.

Nutrition

  • Serving Size: 1 square
  • Calories: 155
  • Sugar: 18
  • Sodium: 75
  • Fat: 8
  • Saturated Fat: 2.5
  • Unsaturated Fat: 5.5
  • Trans Fat: 0
  • Carbohydrates: 20
  • Fiber: 0.5
  • Protein: 3
  • Cholesterol: 5

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Hi, I'm Alex! I believe incredible food doesn't have to be complicated. Here at Pure Cooking Joy, I share delicious, approachable recipes designed to bring happiness back into your kitchen. Let's get cooking!

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