Easy Peanut Butter Rocky Road Fudge

Peanut Butter Rocky Road is a sweet and crunchy treat that keeps everyone coming back for more. Made with just a handful of ingredients, this is the easiest rocky road fudge recipe you’ll ever make.

Peanut butter, chocolate, gooey marshmallows and peanuts. What a combination!

Put down the candy thermometer and fancy fudge recipes. I’m going to show you how to make the BEST Peanut Butter Rocky Road candy bars with no fuss or mess.


A bowl of Rocky Road bites.

I have been making this rocky road recipe for years. It’s somewhere between a fudge and a candy bar, with plenty of crunchy peanuts, soft marshmallows and the perfect sweet-salty flavor. You can make it in no time, right on the stove, and it makes a delicious treat, great gift for the holiday season or party snack.

And if you’re an ice cream lover, you need to check out this Rocky Road Ice Cream. It’s chocolate ice cream with all the fixin’s of these no bake bars.

One warning before you make this rocky road with peanut butter: it’s been described as “addictive” more than once! This is not the kind of treat you can just take a bite of and walk away. After one bite of these rocky road peanut butter bars, you’re going to want them ALL!

Ingredients for Peanut Butter Rocky Road

What do I need to make this chocolate candy?

You only need 5 ingredients to make peanut butter rocky road:

  • Semi-sweet Chocolate chips
  • Creamy Peanut Butter – you can also use almond butter or peanut butter chips. See Recipe Note.
  • ButterUnsalted is best.
  • Mini marshmallows
  • Peanuts – I like the salted ones.

You’ll also need a saucepan and a 9 x 13 inch rimmed baking dish. For thicker rocky road, you could use a square 8 or 9 inch square pan instead.

Process photos for Rocky Road Fudge with peanut butter.

How do I make it?

First, get your baking dish ready. Line the bottom with parchment paper and grease it with a little butter or baking spray. This makes the peanut butter rocky road so much easier to remove later.

STEP 1. Place chocolate chips, peanut butter and butter together in a saucepan. Heat on medium-low heat, stirring regularly until the ingredients are fully melted and combined. Alternatively, you can place these ingredients into a large microwave-safe bowl and heat at 30 second intervals, stirring in between until completely smooth and melted.

STEP 2. Stir the marshmallows and peanuts into the melted chocolate.

STEP 3. Pour the rocky road mixture into your prepared pan. Use the back of a spoon to spread it evenly to cover the bottom of the pan.

STEP 4. The hardest part of this recipe is having to chill it for 2 hours.

When the peanut butter rocky road bars is firm, cut it into bars and serve. I love that I can cut the bars as large or small as I like.

If you’re serving a crowd, you can cut it into rocky road “bites” so everyone gets a taste! This is a great option for packing into candy tins for the holidays, too.

A tray of chocolate peanut butter fudge with peanuts and marshmallows.

How to Store Rocky Road

  • For best freshness and crunch, store any uneaten rocky road bars in the refrigerator.
  • Store covered in a food safe container or a zip top bag.
  • Homemade rocky road fudge stays good for about 2 weeks. But it never seems to last that long in my house! We tend to eat it all within a couple of days at most.
Chocolate fudge with peanut butter, marshmallows, and peanuts.

Peanut Butter and Chocolate Combinations

I got this rocky road recipe from my mother-in-law, except hers called for butterscotch chips. I used peanut butter instead, because I never pass up an opportunity to throw peanut butter into my chocolate desserts.

These Chocolate Peanut Butter Dream Bars might be the most popular recipe I’ve ever shared. My Chocolate Peanut Butter Cornflake Cookies are another no bake dessert that my blog readers love. And when even no-bake cookies seem like too much work, you can always just make this Chocolate Peanut Butter Fruit Dip instead!

If you’re looking for a decadent, impressive, almost over-the-top dessert, may I introduce you to Peanut Butter Chocolate Lava Cake? It’s a moist cake with a creamy peanut butter “lava” filling. Need I say more?

This Chocolate Peanut Butter Pudding Cake is another must-try dessert recipe. Serve it warm with a scoop of ice cream on top and you’ll be in chocolate peanut butter heaven!

Just looking for a straightforward cookie recipe? You’ll love these Peanut Butter Chip Chocolate Cookies (inspired by Levain Bakery) too.

If you love Rice Krispies, make these Reese’s Peanut Butter Rice Krispies Treats with chocolate frosting, chopped Reese’s Peanut Butter Cups, and Reese’s Pieces.

Peanut Butter Rocky Road.

Easy Dessert Recipes

Peanut Butter Rocky Road Bites are proof that you don’t need expert baking skills or a kitchen full of professional equipment to make incredible, delicious desserts at home. The thing I love most about food blogging is sharing easy, uncomplicated methods for crafting incredible sweet treats!

Here are a few more of my favorite easy dessert recipes to try after you make (and eat!) this easy peanut butter rocky road fudge.

Rocky Road with peanut butter.

I’m so glad my mother-in-law shared her rocky road recipe with me all these years ago. And that I get to pay it forward and share it with all of you!




Keep an eye out for more of my easy recipes each week!

Peanut Butter Rocky Road Fudge.

Sweet and a little salty with peanuts, marshmallows and chocolate, this Rocky Road Peanut Butter Fudge is a treat you’ll want to make over and over again!

Rocky Road with peanut butter.


Peanut Butter Rocky Road

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Peanut Butter Rocky Road is a sweet and crunchy treat that keeps everyone coming back for more. Made with just a handful of ingredients, this is the easiest rocky road fudge recipe you'll ever make.
Course Dessert
Cuisine American
Keyword Peanut Butter Rocky Road
Prep Time 5 minutes
Cook Time 10 minutes
Refrigeration 2 hours
Total Time 2 hours 15 minutes
Servings 16 servings
Calories 403kcal
Author Lynne Feifer


  • 12 ounces semi-sweet chocolate chips
  • 1 ¼ cups creamy peanut butter
  • ½ cup unsalted butter
  • 10 ounces miniature marshmallows
  • 1 cup chopped salted peanuts


  • Butter a 9 X 13-inch baking dish.
  • In a large sauce pan, combine the chocolate chips, peanut butter, and butter. Cook on low heat until melted and well combined.
  • Remove from heat and miix in marshmallows and peanuts.
  • Pour into the prepared 9 X 13-inch pan and evenly spread.
  • Refrigerate for two hours before serving.
  • Store any unused portion in the refrigerator.


If you choose to use peanut butter chips (as I used in my original recipe), you’ll need a 10-ounce package.
You can place these ingredients into a large microwave-safe bowl and heat at 30 second intervals, stirring in between until completely smooth and melted.
If you’d like thicker bars, use an 8 or 9-inch square pan.


Serving: 1serving | Calories: 403kcal | Carbohydrates: 32g | Protein: 9g | Fat: 29g | Saturated Fat: 11g | Polyunsaturated Fat: 5g | Monounsaturated Fat: 11g | Trans Fat: 0.2g | Cholesterol: 17mg | Sodium: 143mg | Potassium: 308mg | Fiber: 3g | Sugar: 20g | Vitamin A: 188IU | Calcium: 34mg | Iron: 2mg

This post was originally published 7/18/15. It has been updated in format and with pictures on 4/12/23.

This Peanut Butter Rocky Road is full of peanuts and marshmallows. It will be difficult to eat just one piece of this sweet treat.

We’ve got a new favorite snack at our house!

I used to rate everything I make on a scale of 1 – 4 and this Peanut Butter Rocky Road earned 4 rolling pins! A glass of milk and a few of these babies and my husband is good to go. He was one happy camper eating these again.
You can bet I’ll probably be making these a couple of times a month. They’ll be a good pick me up when he’s at work.


The post Easy Peanut Butter Rocky Road Fudge appeared first on 365 Days of Baking.

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