Dinner

Peanut Butter Fudge

I’m so happy you’re here—because this Peanut Butter Fudge is one of those classic, melt-in-your-mouth…

Varies by batch sizeServings
Peanut Butter Fudge

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Ingredients

Instructions

  1. Prepare your pan. Line a baking dish with parchment paper.
  2. Heat sugar and milk. In a saucepan, bring sugar + milk to a boil over medium heat. Stir continuously.
  3. Boil for exactly 2–3 minutes. The mixture should bubble vigorously.
  4. Remove from heat. Immediately stir in peanut butter until smooth and creamy.
  5. Pour into pan. Spread evenly—fudge will set quickly.
  6. Let cool. Allow to firm up for 20–30 minutes at room temperature.
  7. Slice and enjoy! Cut into squares once completely set.

I’m so happy you’re here—because this Peanut Butter Fudge is one of those classic, melt-in-your-mouth, oh-so-creamy treats that brings instant joy to any kitchen. It’s simple, nostalgic, and so irresistibly delicious that every time I make a batch, I’m kicking myself for not tripling it… and today, we’re talking three double batches! Anything but boring!!

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Peanut Butter Fudge – Overview of the Recipe

This recipe is as classic as it gets—just sugar, milk, and peanut butter. No thermometer. No complicated steps. No long chill time. Just pure, creamy, dreamy fudge that comes together in minutes.

And because you asked about three double batches, I’ll include measurements for:

  • A single batch
  • A double batch
  • Three double batches (6 batches total!)

Why You’ll Love This Recipe

  • Only 3 simple ingredients
  • No special tools
  • No candy thermometer needed
  • Ready in minutes
  • Perfect for gifting
  • Great for bake sales, holiday trays, or potlucks
  • Very budget-friendly

What Does Peanut Butter Fudge Taste Like?

Creamy, smooth, rich, peanut-buttery perfection. It has the classic old-fashioned fudge texture—firm enough to slice, but melts on your tongue instantly. Sweet, nutty, comforting, and completely addictive!

Benefits of This Recipe

  • Foolproof even for beginners
  • Scales up beautifully
  • No baking involved
  • Stays fresh for days
  • Stores and freezes extremely well

Ingredients for Peanut Butter Fudge

Single Batch

  • 1 cup sugar
  • ½ cup milk
  • 1 cup peanut butter (creamy works best)

Double Batch

  • 2 cups sugar
  • 1 cup milk
  • 2 cups peanut butter

Three Double Batches (6 batches total)

Perfect for holiday gifting, parties, or filling treat boxes.

  • 6 cups sugar
  • 3 cups milk
  • 6 cups peanut butter

Optional Add-Ins

  • Splash of vanilla extract
  • Mini chocolate chips
  • Sea salt flakes
  • Chopped peanuts
  • Swirl of Nutella
  • Marshmallow fluff
  • Crunchy peanut butter

Tools You’ll Need

  • Medium or large saucepan (very large if making 3 double batches!)
  • Wooden spoon
  • 8×8 or 9×13 pan (depending on batch size)
  • Parchment paper
  • Measuring cups

Additions & Substitutions

Additions

  • Add white chocolate chips for a sweeter fudge
  • Add crushed pretzels on top for salty crunch
  • Add cocoa for a swirl
  • Add butterscotch chips

Substitutions

  • Swap peanut butter for almond or cashew butter
  • Use oat or evaporated milk
  • Reduce sugar slightly for a less sweet fudge

How to Make Peanut Butter Fudge

  1. Prepare your pan. Line a baking dish with parchment paper.
  2. Heat sugar and milk. In a saucepan, bring sugar + milk to a boil over medium heat. Stir continuously.
  3. Boil for exactly 2–3 minutes. The mixture should bubble vigorously.
  4. Remove from heat. Immediately stir in peanut butter until smooth and creamy.
  5. Pour into pan. Spread evenly—fudge will set quickly.
  6. Let cool. Allow to firm up for 20–30 minutes at room temperature.
  7. Slice and enjoy! Cut into squares once completely set.

Note for Large (Triple Double) Batches

A very large pot is essential! If your pot is too small, make the batches one at a time—this fudge cooks so fast that it’s easy to do.

What to Serve With Peanut Butter Fudge

  • Holiday cookie trays
  • Hot chocolate
  • Ice cream sundaes
  • Coffee or tea
  • Chocolate desserts (brownies, bark, etc.)

Storage Instructions

  • Room Temperature: Up to 1 week
  • Refrigerator: Up to 3 weeks
  • Freezer: Up to 3 months (wrap well)

General Information

  • Prep Time: 5 minutes
  • Cook Time: 5 minutes
  • Set Time: 20 minutes
  • Servings: Varies by batch size
  • Difficulty: Very easy
  • Category: Candy / Dessert / No-Bake

Conclusion

This Peanut Butter Fudge is the simplest, smoothest, and most nostalgic treat—and scaling it up for three double batches means you’ll have plenty to share (or keep… I won’t tell!). It’s melt-in-your-mouth delicious, unbelievably easy, and perfect for gifting, snacking, or holiday treat trays.

If you loved this recipe, try my No-Bake Crunch Bars, Four Ingredient Nougat Bars, and Ooey Gooey Bars next!

Share Your Creations!

Made this fudge? I’d love to see it! Leave a review and share your photos on Pinterest—your treats always inspire me!

Nutritional Information (per piece)

Approximate values:

  • Calories: 120
  • Fat: 5g
  • Carbs: 16g
  • Protein: 2g

Tips for Success

  • Boil for only 2–3 minutes—overboiling makes it crumbly.
  • Stir constantly to prevent scorching.
  • Use creamy peanut butter for the smoothest texture.
  • Line the pan for easier removal.
  • Cut before it gets too firm for clean edges.

Frequently Asked Questions

Can I use crunchy peanut butter?

Yes! It adds amazing texture.

Why is my fudge grainy?

It boiled too long, or wasn’t stirred enough.

Can I microwave this recipe?

Yes—heat sugar + milk in 30-second intervals until boiling, then stir in peanut butter.

Can I add chocolate?

Absolutely—melt chocolate chips into the hot mixture or swirl on top.

Why didn’t my fudge set?

It needed a slightly longer boil time. Cool it in the fridge to firm it up.

Tried This Recipe?I'd love to hear how it turned out! Leave a comment below and don't forget to share a photo.
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