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Easy Microwave Peanut Butter Fudge

If you’re looking for a dessert recipe that’s big on flavor and easy on effort, try making this Easy Peanut Butter Fudge recipe in the microwave! With only four ingredients and no candy thermometer needed, microwave fudge is one of my favorite treats to make this time of year.

easy microwave peanut butter fudge

Easy Peanut Butter Fudge

Sweet tooth, this simple recipe was made for you!

This creamy peanut butter fudge is an easy recipe to make for the holidays, or really any time of the year. It’s melt in your mouth delicious. Excuse me while I drool….


You’ll only need four simple ingredients to make this fudge recipe

unsalted butter

peanut butter – pick whatever brand of peanut butter is your favorite. I like the smooth texture of creamy peanut butter but you can use crunchy peanut butter if you want a different texture

vanilla extract

powdered sugar

peanut butter fudge ingredients

Tips and Tricks for old fashioned peanut butter fudge

All the instructions you need to make peanut butter fudge are in the recipe card below. Here are some additional tips for you!

Slice off the edges before cutting into squares for a more uniform look. Then you should probably just go ahead and eat those pieces as a taste test, wink, wink.

Use the back of a spoon to create a swirled pattern on top of the fudge before cooling.

Mix in some chocolate chips to make a peanut butter cup version of fudge. I’m thinking of a backwards Reece’s peanut butter cup, yum!!

easy microwave peanut butter fudge recipe

More easy fudge recipes you’ll enjoy

Rocky Road Fudge

No Bake Dessert Recipes

Oreo Truffles

Best Chocolate Peanut Butter Scotcheroo Bars

If you make this easy microwave peanut butter fudge recipe, leave a recipe comment or review below. I’d love to hear from you!

made with love, Deanne
Yield: 36 small squares

Easy Peanut Butter Fudge

easy microwave peanut butter fudge

If you're looking for a dessert recipe that's big on flavor and easy on effort, try making this Easy Peanut Butter Fudge recipe in the microwave!

Prep Time 10 minutes
Chill Time 2 hours
Total Time 2 hours 10 minutes


  • 2 sticks (16 tablespoons) unsalted butter
  • 1 cup creamy peanut butter
  • 1 teaspoon vanilla extract
  • 1 pound (3.5 cups) powdered sugar


  1. In a microwave safe bowl combine the butter and peanut butter and cover with plastic wrap. Microwave in 30 second intervals until smooth and combined.
  2. Add the vanilla to the peanut butter mixture and stir.
  3. Add the powdered sugar to a large bowl. Pour in the peanut Stir together until everything is combined and is a creamy texture. 
  4. Line an 8x8 square pan with aluminum foil or parchment paper with excess foil or paper hanging off the side. Spread the fudge into the prepared pan smoothing out the top with an offset spatula. Refrigerate 2 hours until completely cool and set.


  • For a stovetop version combine the peanut butter and butter in a medium saucepan on the stove over medium low heat and stir until completely melted and combined in Step 1.

  • Using a sharp knife, cut the fudge into 1-inch pieces.

    Small squares are perfect for this rich fudge; a little goes a long way!Store in an air-tight container at room temperature for up to a week.

    Nutrition Information:



    Serving Size:


    Amount Per Serving: Calories: 49Total Fat: 4gSaturated Fat: 1gTrans Fat: 0gUnsaturated Fat: 2gCholesterol: 2mgSodium: 39mgCarbohydrates: 2gFiber: 0gSugar: 1gProtein: 2g


    Tag me on Instagram at @ThisFarmGirlCooks or leave me a comment & rating below.

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    Vicki W Eubanks

    Sunday 19th of December 2021

    does the powdered sugar have to be sifted ?

    Deanne Frieders

    Thursday 23rd of December 2021

    No, it doesn't.

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