Butterscotch Marshmallow Bars

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Chewy, sweet Butterscotch Marshmallow Bars. Packed with brown sugar, butterscotch, chocolate chips and marshmallow, it’s like a s’mores dessert!

Chewy, sweet Butterscotch Marshmallow Bars. Packed with brown sugar, butterscotch, chocolate chips and marshmallow, it's like a s'mores dessert!

Click HERE to save recipe to Pinterest

Butterscotch is like the forgotten flavor. 

It’s so rich and delicious, but people always tend to choose chocolate, peanut butter, or lemon desserts over butterscotch.

But can I be honest here?

I think Butterscotch is my favorite of all flavors. Today’s Butterscotch Marshmallow Bars are a hidden gem of a dessert.

It’s what you get when you want a Butterscotch s’more. Something sweet and gooey…that’s not all chocolate.

And when you eat these chilled out of the refrigerator? Whole new level of flavor!

How to make Butterscotch Marshmallow Bars

Chewy, sweet Butterscotch Marshmallow Bars. Packed with brown sugar, butterscotch, chocolate chips and marshmallow, it's like a s'mores dessert!

Preheat oven to 350 degrees F. Line a 13×9 baking dish with parchment paper. Set aside.

In a small glass bowl (or other microwave safe bowl), melt butterscotch morsels with butter in the microwave for 30 seconds. Stir, heat an additional 30 seconds. Stir, if not smooth yet, heat an additional 15 seconds.

In a large mixing bowl, add brown sugar, eggs, and vanilla extract. Mix in melted butterscotch chips, flour, baking powder, and salt.

Fold in marshmallows and chocolate chips. Pour batter into prepared baking dish.

Bake for 18-22 minutes, until lightly browned. Cool completely.

Refrigerate at least one hour. Cut into bars and enjoy!

Chewy, sweet Butterscotch Marshmallow Bars. Packed with brown sugar, butterscotch, chocolate chips and marshmallow, it's like a s'mores dessert!

Can you freeze Butterscotch Bars

Yes!

Once these bars have cooled completely, you can either freeze them in individual bars or as a whole. Wrap in plastic wrap and foil if freezing whole. 

Or slide bars into a freeze Ziploc bag and freeze for up to 3 months.

Thaw in refrigerator overnight. ENJOY.

More Butterscotch Desserts

These are what you get when butterscotch meets Snickerdoodle. Chewy on the inside, crunchy on the outside, these Butterscotch Cookies only get better with time! You’ll love the sugar coating!

No Bake Haystack Cookies are just the thing to satisfy your intense sweet tooth cravings. It’s the ideal recipe for little hands to help, too! And is packed with butterscotch flavor!

Creamy, melt in your mouth Butterscotch Fudge is an easy recipe to make any time of year! This fudge requires NO candy thermometer!

Chewy and sweet, these Butterscotch Revel Bars are a wonderful dessert to make for your next potluck, bake sale or party. They are also a great treat to bake and freeze for school lunches!

Thick and delicious, these chewy brown sugar Butterscotch Blondies are the perfect dessert!

Chewy, sweet Butterscotch Marshmallow Bars. Packed with brown sugar, butterscotch, chocolate chips and marshmallow, it's like a s'mores dessert!

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Yield: 24 bars

Butterscotch Marshmallow Bars

Butterscotch Marshmallow Bars
Prep Time 10 minutes
Cook Time 22 minutes
Total Time 32 minutes
Chewy, sweet Butterscotch Marshmallow Bars. Packed with brown sugar, butterscotch, chocolate chips and marshmallow, it's like a s'mores dessert!

Ingredients

  • 1/2 cup unsalted butter butter
  • 1 cup butterscotch chips
  • 2/3 cup light brown sugar, packed
  • 2 large eggs
  • 1 tsp vanilla extract
  • 1 1/2 cup all-purpose flour
  • 2 tsp baking powder
  • 1/2 tsp kosher salt
  • 2 cups mini marshmallows
  • 1 cup semi-sweet chocolate morsels

Instructions

  1. Preheat oven to 350 degrees. Line a 13×9 baking dish with parchment paper.
  2. In small bowl, melt butterscotch chips with butter in microwave, at 30 second increments, stirring between each time. Set aside.
  3. In large mixing bowl, add brown sugar, eggs, and vanilla. Mix in melted butterscotch chips, flour, baking powder and salt. Fold in marshmallows and chocolate chips. Pour batter into baking dish.
  4. Bake for 18-22 minutes. Cool, cut into squares and refrigerate for one hour. Enjoy!

Nutrition Information:

Yield:

24

Serving Size:

1 bar

Amount Per Serving: Calories: 179 Total Fat: 9g Saturated Fat: 6g Trans Fat: 0g Unsaturated Fat: 3g Cholesterol: 27mg Sodium: 111mg Carbohydrates: 24g Fiber: 1g Sugar: 16g Protein: 2g
*Nutrition facts are an estimate and not guaranteed to be accurate. Please see a registered dietitian for special diet advice.
Chewy, sweet Butterscotch Marshmallow Bars. Packed with brown sugar, butterscotch, chocolate chips and marshmallow, it's like a s'mores dessert!

Recipe originally published April 29, 2012. Photos updated April 2019.

**There may be affiliate links in this post! By clicking on them, or purchasing recommended items I may receive a small compensation. However, I only recommend products I love! Thank you for supporting Shugary Sweets! See my disclosure policy for more info**

41 comments on “Butterscotch Marshmallow Bars”

  1. Oh Good Lord! And I happen to have all the ingredients….

  2. wow. Just wow!

    I love butterscotch, hugely! Just posted bars with them in it and with choc chips, AND I love marshmallows, too.

    These are perfect!

  3. Oh my goodness..I think my husband will die if he finds me growling at him while eatting a whole pan of these in p.j.’s, drinking a giant glass of milk! I am so going to have to do this! Have a fantastic week!

  4. I make almost exactly the same thing… except I use way more butterscotch and chocolate chips:)
    They are gooey and delicious and you’re right, highly addictive!
    Btw, your picture is perfect!!!

  5. Butterscotch and marshmallow….glorious!!! 😀

  6. I agree; all Mondays should involve dessert! These bars look absolutely perfect!

  7. Oh my sugar coma. Those do look fantastic. I don’t even like chocolate, but I think I could put away the tray. Wow.

  8. I’m with you! PJ Mondays and dessert sound great. Especially with these bars! OMG I’m in love. 🙂

  9. these look so good!! i love how ooey and gooey the filling is with the marshmallows..yum!

  10. Giiiiirl, you be speakin’ my language! How about we make it even more sinful with an avalanche-style scoop of vanilla ice cream on top? Drizzle on some caramel…

    I’ll stop now.

  11. Mondays and dessert just go hand in hand!! Now if only I had one of these yummy bars in each hand:-)

  12. These bars look absolutely AMAZING!!!!! YUM!!! What a great recipe, thanks for sharing these!!!!

  13. These are dangerous because I think I have everything to make them already.

  14. I am totally ok with eating the whole pan myself and thats what I plan on doing this weekend!!

  15. Your pictures are always stunning!

  16. Oh my sweetness! These look beautiful and delicious…Thanks so much for sharing at Mix it up Monday!

  17. These look AMAZING!! Pinned the recipe to definitely try later!

    Stopping by from Mix It Up Monday!

  18. These look sooooooooooooo delicious!!
    I’d love to try these, but we don’t have here butterscotch chips
    Not fair as these look too good

  19. Oh my gosh! These look like the best things I have ever seen. I am seriously drooling.

  20. I haven’t got to try these…but I am making a SECOND batch because my cat was trying them, and stepped in the pan while they were cooling. 🙂

    Thanks for all your amazing work. 🙂

  21. New to your blog- I searched “butterscotch” in my google reader and saw your recipe from Tatertots and Jello and made them for company tonight. They were a hit! Thanks for the great recipe!

  22. OH MY GOODNESS!!! These look ABSOLUTELY FABULOUS! I definitely have to make these, and I am definitely going to pin them! YUM!

  23. Ohhh, looks so good. Perfect for Father’s days:)

    Hopping by and following your FB, G+, pinterest, stumbleupon, and twitter.

    Have a delightful day!

    The Quiet Mom blogging: http://olahmomma.com/blog/grilled-chicken-enchilada

  24. Ally

    Any ideas if I can sub Marshmallow Creme for the mini marshmallows as that’s all I have at hand?

    • Ally,
      I haven’t tried it, but you can certainly try. I wouldn’t use the same amount as marshmallow though, maybe half? So 1 cup? WOrse case scenario is even gooey’er. Not a bad thing.

  25. Girl, you have done it again! I was really wanting to bake something and found this wonderful recipe! I have all the ingredients and it’s in the oven now! My hubby is sooo excited he loves butterscotch!

  26. Nan

    Eat the whole pan…are we twins?! I’m making this the next time my kids are gone for the whole day.

  27. nour

    what can i use instead of butterscotch morsels? i can’t find where i live

  28. I made these instead of a birthday cake this year. (Wrote about it here) They were perfect. Thanks so much for the recipe. 🙂

  29. Annie

    What about using this as a brownie topping…

  30. Jennifer Smith

    I have made these 3 times in the last two weeks, they usually last 1 day and there are only 3 of us. I have found using self rising flour creates the best outcome. It’s the only flour I had the first time so I took a chance and they come out so much better then with flour and baking powder., consistency wise. Delicious.

  31. Teri

    Hello,
    I just made these for my kids and, yum! I’m just curious if they need to be refrigerated safety or is that just a cold vs. room temp preferance? I noticed the last step is refrigerate for 1 hour.
    Thanks for sharing! I’m going to try them with a scoop of vanilla ice cream 🙂

  32. Tori

    Just made these and they are great! SO sweet, though, so everyone be warned! In fact, you should probably list milk as a required ingredient because you’re gonna need some after you’ve had a bite or two! Thanks for the yummy recipe!

  33. Donna c

    My childhood sundae of choice. Butterscotch. I need these in my life! Thanks for sharing!!

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