2 Ingredient Peanut Butter Fudge

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5 from 418 votes
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Instantly satisfy your cravings with my 2 ingredient peanut butter fudge recipe! Made completely in the microwave, there is NO butter, condensed milk, or powdered sugar needed.

Love homemade fudge and candy recipes? Try my 3 ingredient fudge, 2 ingredient fudge, and Nutella fudge.

2 ingredient peanut butter fudge.

Is there any candy better than fudge? Nope, and there never will be. I know I shouldn’t play favorites, but as someone who loves peanut butter (and goes through several jars a week), I am a sucker for peanut butter fudge. 

Table of Contents
  1. Why I love this recipe
  2. Ingredients needed
  3. How to make 2-ingredient peanut butter fudge
  4. Arman’s recipe tips
  5. Storage instructions
  6. More fudge recipes
  7. 2 Ingredient Peanut Butter Fudge (Recipe Card)

Why I love this recipe

  • Two Ingredients! Just peanut butter and vanilla frosting. Unlike most fudge recipes, this one does not need condensed milk, butter, or powdered sugar. 
  • A microwave dessert. Like my maple fudge or peppermint fudge, there’s no stovetop or oven needed, so anyone can make it, regardless of whether you’re a kitchen pro or a newbie.
  • One bowl. So prep time and clean-up are a breeze. 
  • Easy to customize. There’s endless room to customize this fudge with your favorite mix-ins or swap the ingredients to suit your taste buds.

★★★★★ REVIEW 

“It came out perfectly!”Christina

Ingredients needed

  • Peanut butter. Smooth peanut butter that can easily be melted (I used Skippy’s All Natural Peanut Butter). Avoid using freshly ground peanut butter or crunchy peanut butter, as it will be difficult to melt in the microwave. 
  • Vanilla frosting. Any store-bought or grocery-store vanilla frosting can be used. I prefer Betty Crocker vanilla frosting, as it has no dairy or eggs (perfect for a vegan diet!).
  • Flaky salt. Optional, but definitely add this if there is no salt in your peanut butter. 

How to make 2-ingredient peanut butter fudge

I’ve included step-by-step photos below to make this recipe easy to follow at home. For the full printable recipe instructions and ingredient quantities, scroll to the recipe card at the bottom of this post.

Step 1- Combine the ingredients. In a microwave-safe bowl, add the peanut butter and microwave in 20-second spurts until melted. Add the vanilla frosting and melt for a further 20 seconds. Stir to combine. 

Step 2- Set and refrigerate. Pour the fudge mixture into a lined pan and refrigerate for at least two hours to firm up. Once firm, slice into pieces and sprinkle with sea salt.

microwave peanut butter fudge.

Arman’s recipe tips

  • Don’t microwave the frosting. If your frosting is smooth and pourable, don’t add it to the microwaved peanut butter. Instead, add it to the bowl and whisk it into the peanut butter. The heat will naturally melt it. 
  • Slice with a warm, sharp knife. Trust me, this will make slicing the fudge WAY less messy. Just run the knife under hot water, dry it, then slice and repeat. 
  • Swap the peanut butter. I tested this recipe with almond butter and cashew butter, and while it did change the overall flavor, it was really good!
  • Or make nut-free fudge. Use tahini or sunflower seed butter instead. 
  • Make chocolate peanut butter fudge. Use my healthy chocolate frosting instead, or use homemade Nutella
  • Add mix-ins, like chopped pecans, peanut butter chips, or chocolate chips.

Storage instructions

To store: Fudge should be stored in a sealable container in the refrigerator. It will keep well for up to 4 weeks. 

To freeze: Place leftovers in a shallow container lined with parchment paper and store in the freezer for up to 6 months.  

two ingredient peanut butter fudge.

More fudge recipes

microwave peanut butter fudge

2 Ingredient Peanut Butter Fudge

5 from 418 votes
Instantly satisfy your cravings with my 2 ingredient peanut butter fudge recipe! Made completely in the microwave, there is NO butter, condensed milk, or powdered sugar needed. Watch the video below to see how I make it in my kitchen!
Servings: 24 servings
Prep: 1 minute
Cook: 1 minute
Total: 2 minutes

Video

Ingredients  

Instructions 

  • Line an 8 x 8-inch pan with parchment paper and set aside.
  • In a microwave safe bowl, add your peanut butter and microwave in 20-second spurts until melted. Add the vanilla frosting and melt for a further 20 seconds.
  • Transfer the fudge mixture into the lined pan and refrigerate for at least two hours, to firm up. Once firm, slice into pieces and sprinkle with flaky salt.

Notes

* Any frosting can be used. I used Betty Crocker Vanilla frosting, which is naturally vegan.
TO STORE: Fudge should be stored in a sealable container in the refrigerator. It will keep well for up to 4 weeks. 
TO FREEZE: Place leftovers in a shallow container lined with parchment paper and store in the freezer for up to 6 months. 

Nutrition

Serving: 1servingCalories: 132kcalCarbohydrates: 12gProtein: 4gFat: 9gSodium: 104mgPotassium: 110mgFiber: 1gCalcium: 7mgIron: 1mgNET CARBS: 11g
Course: Dessert
Cuisine: American
Author: Arman Liew
Tried this recipe?Give us a shout at @thebigmansworld or tag #thebigmansworld!

Originally published August 2021, updated and republished April 2024

Arman Liew

I’m a two time cookbook author, photographer, and writer, and passionate about creating easy and healthier recipes. I believe you don’t need to be experienced in the kitchen to make good food using simple ingredients that most importantly, taste delicious.

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Comments

  1. 5 stars
    Soo great.. and fun to make!! Everyone is so incredibly impressed with the ease and economical!! At Christmas I’ll still be pushing all to eat the mashed potatoes 😔 lol!! thanks!

  2. 5 stars
    This was so fast and easy to do and turned out Awesom. I used Peter Pan creamy Peanut Butter and I found pillisbery fluffy vanella Marshmallow frosting.Love this

  3. 5 stars
    We’ve made this several times, using different types of peanut butter and icing (did you know that Pillsbury cream cheese icing is actually dairy free?? It works great in this recipe, too!), and it has turned out wonderfully each time! I’m about to try it with chocolate icing – here’s hoping it’s as good as the vanilla! Now I wonder about strawberry icing for some peanut butter and jelly fudge… Hmmmmmm….

  4. Arman! Your foods are awesome, especially the sweets part. Thanks so much for sharing the recipes! I have been eating healthier now than in a long time; probably since childhood when my father used to cook once in a while.

  5. Is there an easy way to add your recipes I want to Pinterest. When I click on the Pinterest icon I get all the recipes and hard to locate the recipe I want to save vs. printing them. Please help me make it more user friendly for me.