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    Home » Dessert

    Peanut Butter Fudge

    Published: Dec 17, 2019 Updated: Jun 12, 2020 by Alison Hope · This post may contain affiliate links · 4 Comments

    Jump to Recipe Jump to Video Print Recipe
    Peanut Butter Fudge

    This peanut butter fudge recipe is so simple with only 4 easy ingredients. It’s also the most delicious melt-in-the-mouth fudge you’ll ever taste!

    Peanut butter fudge stacked up.

    This recipe is quite amazing. It’s so simple yet the results are really spectacular.

    You can make it on the stovetop or in the microwave (instructions for both included) and it keeps wonderfully at room temperature so it makes awesome gifts!

    If you love candy recipes then check out our peppermint bark recipe too and for more fudge check out our divine biscoff fudge.

    Two squares of peanut butter fudge stacked on top of each other.

    How To Make Peanut Butter Fudge

    Full instructions and measurements can always be found in the recipe card at the bottom of the post. This is a summary of the process to go along with the process photos.

    • Spray an 8×8 square dish with non-stick spray and line it with parchment paper so that there is overhang on either side. Set aside.
    • Add butter and peanut butter to a pot and heat, stirring occasionally until it reaches a full boil.
    • As soon as it reaches a full boil remove it from the heat and add in powdered sugar and vanilla and stir vigorously into a smooth batter.
    • Transfer to your prepared square dish and smooth down with the back of a spoon.
    • Place into the fridge to set.
    • When set, use the parchment paper overhang to lift the whole block of fudge out and cut it into squares.
    Step by step process photo collage of making peanut butter fudge.

    Peanut Butter Fudge in the Microwave

    If you’d prefer to make it in the microwave, then this is easy to do. Add your peanut butter and butter to a large microwave safe bowl with a lid.

    Microwave for two minutes and then bring it out and stir. Then place it back into the microwave for another 2 minutes until the mix is bubbling. Keep a watch on it and if it starts bubbling before the end of the two minutes, then you can bring it out, it’s done.

    Add in powdered sugar and vanilla and mix into a thick batter and then place it into your prepared square dish.

    A square of peanut butter fudge resting at an angle against a stack of fudge.

    Can You Make It Dairy Free?

    You can easily make this dairy free by using a dairy free margarine or vegan butter like ‘Earth Balance’ brand instead of the regular butter in this recipe. It works exactly the same and you won’t know the difference. So if you’d prefer to keep this recipe dairy-free you can definitely do it.

    Storing and Freezing

    This fudge keeps perfectly at room temperature for a week. It will keep for at least 2 weeks in the fridge.

    It’s definitely freezer friendly as well. It doesn’t freeze solid in the freezer so you can actually eat it directly out of the freezer, but the texture is better once it has thawed. So ideally you would let it thaw in the fridge again before serving.

    Peanut butter fudge stacked in a row.

    More Peanut Butter Dessert Recipes

    1. Peanut Butter Cookies
    2. Peanut Butter Chocolate Chip Cookies
    3. Peanut Butter Rice Krispie Treats
    4. Peanut Butter Almond Flour Cookies
    5. Eggless Peanut Butter Cookies
    6. Chocolate Peanut Butter Cookies
    A stack of peanut butter fudge

    Did you make this recipe? Be sure to leave a comment and rating below.

    Peanut butter fudge

    Peanut Butter Fudge

    This peanut butter fudge recipe is so simple with only 4 easy ingredients. It's also the most delicious melt-in-the-mouth fudge you'll ever taste!
    5 from 2 votes
    Print Pin Rate
    Course: Dessert
    Cuisine: American
    Diet: Vegetarian
    Prep Time: 5 minutes minutes
    Cook Time: 5 minutes minutes
    Servings: 42
    Calories: 120kcal
    Author: Alison

    Ingredients

    • 1 cup Butter Lightly Salted*
    • 1 cup Peanut Butter Smooth, Creamy, Salted
    • 1 tsp Vanilla Extract
    • 4 cups Powdered Sugar
    US Customary – Metric

    Instructions

    • Spray an 8×8 square dish with non-stick spray and line it with parchment paper so that there is overhang on either side.
    • Add the butter and peanut butter to a pot and heat, stirring occasionally, until it reaches a full boil.
    • Remove from heat and add in the vanilla and powdered sugar and stir vigorously into a thick batter.
    • Transfer the batter to your prepared square dish and smooth down with the back of a spoon.
    • Refrigerate until set.
    • When it's set, lift the whole block of fudge out of the dish using the parchment paper overhang and cut into squares.

    Video

    Notes

    1. We used lightly salted butter but unsalted butter will also be fine to use. 
    2. Make it in the Microwave: If you want to make this in the microwave then add the butter and peanut butter to a fairly large microwave safe bowl with a lid. Microwave for two minutes on high. Bring it out and stir. Return to the microwave for another two minutes but keep a watch on it. When it’s bubbling take it out (even if it’s before the two minutes are up). Add the vanilla and powdered sugar and stir in vigorously until smooth. Transfer to your prepared 8×8 square dish. 
    3. I don’t sift the powdered sugar first for this recipe. The butter/peanut butter mix is so hot that the powdered sugar easily dissolves into it and there are no lumps. 
    4. Make it Dairy-Free: You can easily make this dairy free by using a dairy free margarine or vegan butter product like Earth Balance instead of the regular butter in this recipe. There is no discernible difference in the end result. 
    5. The preparation time for this recipe does not include the time spent setting in the fridge. It can take a few hours to set firmly. 
    6. This fudge keeps very well at room temp for up to a week or for two weeks in the fridge. It is also freezer friendly. 

    Nutrition

    Serving: 1Square | Calories: 120kcal | Carbohydrates: 13g | Protein: 2g | Fat: 7g | Saturated Fat: 3g | Cholesterol: 12mg | Sodium: 67mg | Potassium: 41mg | Fiber: 1g | Sugar: 12g | Vitamin A: 135IU | Calcium: 4mg | Iron: 1mg
    DID YOU MAKE THIS RECIPE?Rate it & leave your feedback in the comments section below, or tag @gimmethatflavor on Instagram and hashtag it #gimmethatflavor
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    About Alison Hope

    Hi I'm Alison, I'm the voice and cook behind Gimme That Flavor. I am a big time foodie and probably cooking up a storm in my kitchen right now! I'm also a cat mom. And a sweet tooth. Binge watcher of TV shows. Terrible sleeper always staying up too late....Find out more about me here.

    Gimme That Flavor is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. This site may contain some of these links to Amazon.com. If you make a purchase through one of those links, Gimme That Flavor will receive a small commission from the purchase at no additional cost to you.

    Reader Interactions

    Comments

    1. Tirsa

      April 08, 2023 at 9:18 pm

      can I use crunchy peanut butter?

      Reply
      • Nadine @ Gimmethatflavor

        July 28, 2023 at 9:28 am

        Sure!

        Reply
    2. Gillian

      December 23, 2019 at 12:09 pm

      This is the most divine fudge I have ever tasted. It is so creamy, I am totally addicted! Thanks for this recipe it is a keeper!5 stars

      Reply
      • Alison Hope

        December 23, 2019 at 12:11 pm

        Awesome! Thanks Gillian! xo

        Reply
    5 from 2 votes (1 rating without comment)

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    Alison Hope Author

    Hi! I'm Alison! Big time foodie. I'm probably cooking up a storm in my kitchen right now. I'm also a cat mom. And a sweet tooth. Binge watcher of TV shows. Terrible sleeper always staying up too late.... 

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