No Bake Butterscotch Marshmallow Bars
A simple no bake recipe for butterscotch marshmallow bars with coconut and walnuts! This is a classic holiday no bake treat!

I’m not the biggest fan of butterscotch.
I’m actually the type of person who would prefer to make special k bars without the butterscotch chips.
But, oh man, has my mind changed about butterscotch when it comes to these bars!!
I’m convinced that it has to do something with the combo of peanut butter, marshmallows and butterscotch all together that make the butterscotch less butterscotch-y.. which in my opinion is usually too sweet. Instead all I taste is creamy, marshmallowy goodness with a subtle crunch from the walnuts.
This recipe can go by a lot of different names – peanut butter marshmallow bars or squares, no bake nut goodie bars, and confetti squares, although I think those are generally made with the fruity marshmallows.
Whatever you choose to call them, they are a popular dessert to make for the holidays and to include in cookie tins!

Ingredients
- butterscotch chips
- creamy peanut butter
- butter
- mini marshmallows
- walnuts
- shredded coconut
It’s a quick recipe that comes together within 5 minutes and probably takes about an hour to set before you can cut them into bars. But you can speed up the cooling time by sticking the bars in the fridge! Or if you’re a midwesterner, you can put them in your garage or on your porch, which acts as a second fridge all winter season.

How To Make Peanut Butter Marshmallow Bars
- In a large pot over medium-low heat, combine the butter, peanut butter, and butterscotch chips. Stir frequently until the mixture is completely melted.
- Remove from the heat and stir in coconut, walnuts, and marshmallows.
- Pour the mixture into an un-greased 9×13 inch pan and spread to even it out. Put the pan in the refrigerate to set for 1 hour, then cut into bars.
Substitutions
Substitute mini colored marshmallows for the regular mini marshmallows.
You can also omit the walnuts and coconut if desired.

How To Store
Store these Christmas butterscotch marshmallow bars in an airtight container on the counter for up to 5 days.
More Christmas Treats
- Sticky Paws Williams Sonoma Copycat
- Chocolate Crinkle Cookies
- Peppermint Kiss Oreo Balls
- Microwave Peanut Butter Fudge

No Bake Butterscotch Marshmallow Bars
Ingredients
- 1 stick unsalted butter, 1/2 cup
- 1 cup creamy peanut butter, not natural
- 11 oz butterscotch chips
- 1 cup sweetened flaked coconut
- 1 cup chopped walnuts
- 10 oz mini marshmallows
Instructions
- In a large pot over medium-low heat, combine the butter, peanut butter, and butterscotch chips. Stir frequently until the mixture is completely melted.
- Remove from the heat and stir in coconut, walnuts, and marshmallows. Pour the mixture into an ungreased 9×13 inch pan and spread to even it out.
- Put the pan in the refrigerate to set, then cut into bars.
Really nice job on your site I’m excited to “dig in” to your content. Have a wonderful day :)
I’ll bet this would be good with broken pretzel pieces or salted peanuts added! Then it would be sweet and salty. I see absolutely no reason not to add salted popcorn as an option, either! Can’t wait to try this recipe and variations of it as well….yum!
OH MY GOSH, that would be SO good!!!
I just made them with pretzels and marshmallows only. So good!!!
I made these today but omitted the coconut and added 1 1/2 cups of honey bunches of oats cereal. They are just delicious!
Yay!! SO glad you enjoyed them!
Made today – “as is” – excellent!
Love that! Thank you!
can these be frozen?
I haven’t tried it myself, but I would say yes!
Can these be made ahead and frozen?
Yes!
Mine are still setting in the fridge, but the marshmallows started melting as I was stirring – is that normal?
Hi Katie! I’m guessing the melted mixture was too hot for the marshmallows – next time I would suggest letting it cool for 5 minutes before mixing with the marshmallows.
Or you can put the marshmallows in the freezer before preparing them. Works every time!! I just made mine today for Christmas day!! 😊
Can I omit the coconut??
Yes, definitely!
Can I use peanuts instead of walnuts
Definitely! Sub the same amount.
I made these without the nuts and they turned out great. I used the mini muffin tin without liners and they are the perfect size.
Instead of butterscotch chips may I use milk chocolate chips & no marshmallows
Can I make these without the butterscotch morsels I am not a fan of butterscotch so what could I use instead thank you
You could use peanut butter chips or chocolate chips.
Will try. Sounds delicious.
Could I leave out mini marshmallows if so what would you swap them with instead thanks
Hi Ann! The mini marshmallows are critical in this recipe as they are the bulk of the recipe. I don’t have a substitute to offer that would give the same texture.
Ps could you give the cup measures in grams please I want to get the recipe right thanks x
Has anyone tried with the peanut butter or chocolate chips instead of butterscotch?
I didn’t find any measurements….
Did I overlook them?
They are in the recipe card!
Love this recipe 😋