Peanut Butterscotch Rocky Road Bars

Peanut Butterscotch Rocky Road Bars. A super simple no bake cookie confection, that's loved from kid's parties to Holiday cookie trays.

close up photo of Peanut Butterscotch Marshmallow Rocky Road Bars stacked on a white plate with Christmas decorations the background.
Peanut Butterscotch Marshmallow Rocky Road Bars.

Our no bake cookie treats are among some of the most popular on this website. In fact we have a whole collection of No Bake Cookie Treats from Moose Farts to Strawberry Chiffon Squares.

They are particularly popular during the Holiday season. I think that's because they are often freezer friendly and have a lot of easy choices for getting kids involved too.

No Bake Christmas Cookies Collage with title text for Pinterest 

Peanut Butterscotch Rocky Road Bars. A treat by many names.

This recipe is very common here in Newfoundland. They are often available at small local bakeries, on their own or on mixed trays.

Peanut Butterscotch Marshmallow Rocky Road Bars with a glass of milk on the background.
Peanut Butterscotch Marshmallow Rocky Road Bars.

I've never posted the recipe myself because I thought everyone already knew it. Recently, however, I have been getting requests for it by a number of different names.

Some just asked for Peanut Butter Bars, Butterscotch Peanut Bars, Butterscotch Marshmallow Bars, Butterscotch Rocky Roads, even Peanut Butter Cut Glass Squares.

Peanut Butterscotch Marshmallow Rocky Road Bars photo of bars being cut with a 14 inch knife.
A 14 inch slicer knife is ideal for cutting out cookie bars perfectly straightly.

They are all basically the same thing but folks do make them in slightly different ways. So I thought I'd give my take on them as well.

AKA Confetti Squares

I most commonly hear these referred to as Confetti Squares. That version uses multicoloured, multi-flavoured miniature marshmallows instead.

Peanut Butterscotch Marshmallow Rocky Road Bars with Christmas decorations the background.
Peanut Butterscotch Marshmallow Rocky Road Bars.

You can use those in this recipe as well if you like, of course. I prefer not to, and opt for plain white marshmallows instead.

Since the flavour of butterscotch and peanut butter together is unusual, I don't like to muddle the flavour by including a bunch of fruity artificial flavours into the mix. That's just my personal preference.

Like many of our other no bake cookie treats, these are also terrific to make with kids. A little supervision at the stove is needed but they are quick, simple and easy for kids to complete.

Photo of Melting together the butter, peanut butter and butterscotch chips.
Melt together the butter, peanut butter and butterscotch chips.
Photo of melted mixture.
Melt just until smooth.
Photo of marshmallows being added to the peanut butter mixture.
Add the marshmallows to the cooled mixture.
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Peanut Butterscotch Marshmallow Rocky Road Bars.

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close up photo of Peanut Butterscotch Marshmallow Rocky Road Bars stacked on a white plate with Christmas decorations the background.
Yield: 24 cookie bars

Peanut Butterscotch Rocky Road Bars

Prep Time: 10 minutes
Cook Time: 5 minutes
Additional Time: 15 minutes
Total Time: 30 minutes

Peanut Butterscotch Rocky Road Bars. A super simple no bake cookie confection, that's loved from kid's parties to Holiday cookie trays.

No Ratings

Ingredients

  • 1 ½ cups butterscotch chips (250-270g pkg)
  • 1 cup peanut butter
  • ½ cup butter
  • 2 teaspoon vanilla extract
  • 6 cups mini marshmallows (see notes)
  • ½ cup chopped roasted peanuts (optional)

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Rock Recipes a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Our product recommendations are almost exclusively for those we currently use or have used in the past.

Instructions

  1. Lightly grease a 9x9 pan and line it with parchment paper. This will allow you to lift the entire batch out of the pan for easier cutting later.
  2. In a small saucepan over low heat, melt together the butter, peanut butter and butterscotch chips, just until the chips have melted and the mixture is very smooth.
  3. Be careful not to overheat this mixture, keep the heat as low as possible.
  4. Stir in the vanilla extract and transfer the mixture to a large bowl. I don't add the marshmallows in the saucepan because this increases the possibility that they will partially melt.
  5. Let the mixture cool 10 -15 minutes, then gently fold in the marshmallows (and peanuts if you are using them).
  6. Spread and press the mixture evenly into the prepared pan.
  7. Chill in the fridge for at least a couple of hours, or overnight.
  8. Lift the batch from the pan and cut into 24 bars (4 rows by 6) or 25 squares. (5 rows by 5)

Peanut Butterscotch Marshmallow Rocky Road Bars photo of bars being cut with a 14 inch knife.

Many foks ask my secret to cutting cookie bars straightly and evenly. The answer is a very long bladed slicing knofe which is also perfect for slicing, ham, prime rib and other large cuts of meat.

I've included and Amazon Afilliate link above.

Notes

Some folks use less marshmallows in the recipe. Basically anywhere between 4-6 cups is fine. If I had 5 cups, for example, I probably would'nt bother opening another bag.

Nutrition Information

Yield

24

Serving Size

1 cookie bar

Amount Per Serving Calories 380Total Fat 14gSaturated Fat 7gUnsaturated Fat 6gCholesterol 10mgSodium 146mgCarbohydrates 63gFiber 1gSugar 47gProtein 4g

The nutritional information provided is automatically calculated by third party software and is meant as a guideline only. Exact accuracy is not guaranteed. For recipes where all ingredients may not be used entirely, such as those with coatings on meats, or with sauces or dressings for example, calorie & nutritional values per serving will likely be somewhat lower than indicated.

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