Easy Peanut Butter Fudge

Prep Time 20 minutes
Additional Time 1 hour
Total Time 1 hour 20 minutes
This post may contain affiliate links. Read my disclosure policy.

This melt-in-your-mouth easy peanut butter fudge is any peanut butter lovers dream! With just 10 minutes of work, this rich and velvety microwave fudge recipe is packed with sweet peanut butter cups.

Why You’ll Love This Easy Peanut Butter Fudge Recipe

Everyone loves homemade candy, especially if it involves chocolate and peanut butter!

  • Easy: The microwave and fridge do most of the work for you! If you can use the microwave and stir ingredients together, you will nail this fudge!
  • Traditional: Fudge is a traditional holiday candy you can expect to see at all your festive gatherings. It is also a great alternative to bring to a Christmas cookie exchange.
  • Great for gifting: This creamy peanut butter fudge looks super pretty when packed into cute boxes or bags. No one has to know how simple it was to make!

Looking for more easy and festive fudge recipes? Try this rocky road fudge, bright green Grinch fudge, or this decadent pralines and cream fudge!

Ingredients for easy peanut butter fudge recipe arranged in bowls on a counter top. From top: vanilla extract, butter, creamy peanut butter, full size Reese's cups, powdered sugar and mini Reese's cups.

What You’ll Need For Easy Microwave Fudge

Peanut butter and Reese’s means twice the peanut butter flavor in every bite. Scroll down to the recipe card at the bottom of the post for exact amounts.

  • Butter: You can use salted or unsalted butter. If using unsalted, add 1/4 teaspoon salt.
  • Peanut Butter: Use standard creamy peanut butter.
  • Vanilla Extract: It helps round out the flavors but feel free to skip it.
  • Powdered Sugar: Don’t use granulated sugar or the fudge will turn out grainy.
  • Reese’s Peanut Butter Cups: You can use all full size cups, mini peanut butter cups or a mixture of the two!

What Type of Peanut Butter is Best for Fudge?

Both smooth and chunky peanut butter are great for this easy peanut butter fudge recipe. The only difference is the texture they’ll add. Smooth peanut butter gives the fudge a creamy texture, whereas chunky adds texture regardless of whether your add-ins are crunchy. Avoid natural peanut butters because the oil and peanuts will separate over time and the texture will not be the same.

Easy peanut butter fudge filled with Reese's cups is cut into squares and stacked on a plate.

How to Make Peanut Butter Fudge

No need for a candy thermometer, as the microwave saves the day when it comes to last-minute cravings for fudge. Check the recipe or at the bottom of the post for more detailed instructions.

  • Prep: Lightly butter a baking dish and line it with parchment paper or aluminum foil.
  • Heat and Stir: Microwave the butter and peanut butter until the butter melts. Stir and heat it again.
  • Combine: Stir the vanilla extract and powdered sugar into the butter mixture until smooth. The mixture will thicken and lose its sheen.
  • Assemble: Spread the peanut butter mixture into the prepared pan and top with Reese’s cups. Or you can add half the fudge mixture, followed by a layer of Reese’s cups, and top with remaining fudge and Reese’s cups.
  • Chill: Pop fudge into the fridge to chill until the mixture is firm. Cut it into 1″ pieces and enjoy.
Three stacked squares of easy microwave fudge with Reese's cups.

Tips for Success

Any easy peanut butter fudge recipe can be taken to the next level with a fruit jam swirl or chopped mini pretzels.

  • Let it chill: The more you let the fudge chill, the less chances you have of it being melty and sticky when you slice it or serve.
  • Add a base: You can add a layer of graham crackers or wafer cookies along the bottom of the baking dish and pour the fudge on top. When it sets, you have a cookie-fudge combo.
  • PB&J Fudge: Microwave 1/4 cup strawberry or blackberry jam to make it runny. Swirl it into the fudge mixture and let it set for a touch of fruitiness.
  • Use more add-ins: Chopped mini pretzels, peanuts, pecans or mini chocolate chips are great ways to add more flavor and texture to each bite.
  • Add a drizzle: Use salted caramel sauce or chocolate sauce to add a sweet drizzle right before refrigerating the fudge. It’ll make it extra pretty!
  • Choose the right baking dish: The larger it is, the more spread out the fudge will be. Stick to an 8×8″ baking dish for a thicker fudge, or double the recipe if using a 9×13 pan.
Bitten-into square of microwave peanut butter fudge stacked on top of a second piece of fudge.

How To Store Microwave Peanut Butter Fudge

Cut strips of parchment paper and place them between the pieces of this homemade peanut butter fudge to keep them from sticking.

  • On the counter: Place the fudge in an airtight container for up to 2 weeks. Store it away from direct heat to keep it from melting. This method isn’t great if the area where you live is warm and humid.
  • In the fridge: Refrigerate it in an airtight container for up to 3 weeks. Keep it away from strong-smelling foods like onions.
  • In the freezer: Wrap each piece in plastic wrap and place it in a freezer-friendly bag or container. Freeze for up to 3 months. Thaw it on the counter to room temperature before digging in.
Landscape photo of easy peanut butter fudge.
5 from 7 votes
Print Pin Recipe
Yield: 16 pieces

Easy Peanut Butter Fudge

This easy peanut butter fudge recipe with chunks of Reese's peanut butter cups is a velvety and easy dessert that makes a great holiday gift.
Prep Time20 minutes
Additional Time1 hour
Total Time1 hour 20 minutes

Ingredients

  • 1 cup (2 sticks) butter
  • 1 cup creamy peanut butter
  • 2 teaspoons vanilla extract
  • 2 ½ cups powdered sugar
  • 8 full size Reese's peanut butter cups, unwrapped
  • 16 mini Reese's peanut butter cups, unwrapped

Instructions 

  • Butter and line an 8×8 baking pan with parchment paper. Set aside.
  • In a large microwave safe bowl, microwave butter and peanut butter for 2 minutes on high. Stir and microwave on high for 2 more minutes.
  • Add vanilla and powdered sugar to peanut butter mixture and stir until smooth with a wooden spoon or spatula. The peanut butter mixture will start to thicken and loose it’s sheen. If it is still really thin, add 1/4 cup more powdered sugar.
  • Transfer half of the fudge mixture into prepared pan. Add a layer of the full size peanut butter cups. Top with remaining fudge mixture and sprinkle the mini peanut butter cups on top. Press the peanut butter cups in slightly to ensure they stick to the top.
  • Refrigerate until chilled and fudge is set (this took about an hour in my fridge). Cut into 1-inch pieces.

Notes

Storage: Place the fudge in an airtight container at room temperature for up to 2 weeks. Or refrigerate it for up to 3 weeks.
Freeze: Wrap each piece in plastic wrap and place it in a freezer-friendly bag or container. Freeze for up to 3 months. Thaw it on the counter to room temperature before digging in.
Add a base: You can add a layer of graham crackers or wafer cookies along the bottom of the baking dish and pour the fudge on top. When it sets, you have a cookie-fudge combo.
PB&J Fudge: Microwave 1/4 cup strawberry or blackberry jam to make it runny. Swirl it into the fudge mixture and let it set for a touch of fruitiness.
Use more add-ins: Chopped mini pretzels, peanuts, pecans or mini chocolate chips are great ways to add more flavor and texture to each bite.
Add a drizzle: Use salted caramel sauce or chocolate sauce to add a sweet drizzle right before refrigerating the fudge. It’ll make it extra pretty!
Choose the right baking dish: The larger it is, the more spread out the fudge will be. Stick to an 8×8″ baking dish for a thicker fudge, or double the recipe if using a 9×13 pan.

Nutrition

Serving: 1 piece, Calories: 280kcal, Carbohydrates: 23g, Protein: 4g, Fat: 20g, Saturated Fat: 9g, Polyunsaturated Fat: 2g, Monounsaturated Fat: 7g, Trans Fat: 0.5g, Cholesterol: 31mg, Sodium: 166mg, Potassium: 101mg, Fiber: 1g, Sugar: 21g, Vitamin A: 355IU, Vitamin C: 0.004mg, Calcium: 13mg, Iron: 0.3mg

Categories:

SaveSave

This post may contain affiliate links. Read my disclosure policy.

Related Posts

Comments

Share a Comment

Recipe Rating




13 Responses
  1. Jennifer+@+Show+Me+the+Yummy

    Love microwave fudge and PB cups are my favorite, so I’m really loving this recipe! :)

  2. K / Pure & Complex

    I love a simple yet wonderful recipe. And this is it. Who wouldn’t want peanut butter cup fudge this holiday season. Loving this

  3. Phi @ The Sweetphi Blog

    I don’t have any kids yet, but I imagine my husband and i will be the same way lol, precious bed time, right? this microwave fudge looks absolutely amazing!

  4. chrysta@noshed

    uuhh yes please! PB cups is my weakness…like I cant control myself around them. This fudge looks absolutely amazing…

  5. Medha @ Whisk & Shout

    PB fudge is my weakness and the peanut butter cups take this to the next level! So much yum.

  6. Angelyn+@+Everyday+Desserts

    these looks ridiculously good!!

    ps: hate hate hate when I drop my phone – mine’s got a quite a few cracks! :(

  7. Gayle @ Pumpkin 'N Spice

    Oh my gosh I’m in love with this fudge! Peanut butter fudge is my absolute weakness and I love the addition of pb cups! Plus it’s made in the microwave which is such a time saver! Pinning!

  8. Sarah

    I woke up this morning and saw this in my email and knew what I would do as soon as the kids went off to school. I just pulled it out of the fridge and…YUM! My boys are going to be so excited when they get home! Thanks so much for sharing some EASY recipes. ;-)

Welcome!

Jessica
I'm a trial & error, self taught, sugar addict who thankfully learned how to survive in the kitchen! I am also a wife, mama of 3.