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Home » Blondies

Chewy Marshmallow Blondies

Modified: Feb 26, 2026 · Published: Oct 15, 2018 by Anna · This post may contain affiliate links · 6 Comments

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One of my favorite ways to make chewy brownies is to add marshmallows to the batter. As the brownies bake, the marshmallows melt into the brownies creating little pockets of chewiness. Chewy Marshmallow Blondies go a step further. They have melted butterscotch chips in the batter.

Melted Butterscotch Chips in the Blondies

The recipe is quick and simple, plus it's interesting in that it calls for ½ cup of butterscotch chips (morsels) that are melted with the butter and added to the batter. The melted morsels and marshmallows give the bars an almost candy-like texture. Here's a photo of them before being baked.

Chewy Marshmallow Blondies made with melted butterscotch chips

And here's one after.

More Chewy Melted Marshmallow Madness

After making Chewy Marshmallow Blondies, I tried to find similar versions on-line.  Allrecipes.com has Disappearing Marshmallow Brownies, but their version is doubled and and baked in a 9x13 inch pan.  I recommend sticking with the smaller batch or using 2 8-inch square pans because you get more chewy edges.  Also, use the butterscotch chips rather than substitutions. Other flavors like caramel chips didn't work well. I will also mention that I'm not even a huge fan of butterscotch chips, but they just worked so nicely here.

Nordy Bars?

I recently learned of a recipe called Nordy Bars, which are blondies sold at Nordstrom's. When doubled, this recipe seems to be the same as Nordy Bars. So I guess you could say these are are small batch Nordy Bars.

More Bars with Marshmallows

If you have extra marshmallows or are just in a chocolate brownie mood, here are two other recipes where mini marshmallows melt into the batter and make the bars extra chewy: Melted Marshmallow Brownies and Capetown Brownies.

Adapted from Chewy Marshmallow Brownies in the 1982 Southern Living Annual.

Recipe

8-inch square pan of Chewy Marshmallow Blondies with melted butterscotch chips and mini marshmallows in the dough.

Chewy Marshmallow Blondies

Anna
Chewy Marshmallow Blondies are blondies made with melted butterscotch chips, marshmallows and pecans.
5 from 2 votes
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 24 minutes mins
Cooling Time 30 minutes mins
Total Time 1 hour hr 4 minutes mins
Course Dessert
Cuisine American
Servings 12 slices

Ingredients
 

  • ½ cup butterscotch morsels (84 grams)
  • 4 tablespoons unsalted butter (56 grams)
  • ¾ cup all-purpose flour (100 grams)
  • ⅓ cup firmly packed light brown sugar (83 grams)
  • 1 large egg slightly beaten
  • ½ teaspoon vanilla extract
  • 1 teaspoon baking powder
  • ½ teaspoon salt but only ¼ if you used salted butter
  • 1 cup semisweet chocolate morsels
  • 1 cup generous miniature marshmallows
  • ½ cup chopped toasted pecans

Instructions
 

  • Line an 8-inch square pan with foil or parchment. If using foil, grease the bottom generously.
  • Put the butter in a microwave safe bowl and heat for 30 seconds. Add the morsels and stir to coat with butter. Heat for another 30 seconds and stir. Repeat until morsels are melted. Let cool.
  • In a mixing bowl, stir together the brown sugar, egg and vanilla. Mix in the melted and cooled butterscotch mixture, then add the baking powder, salt and flour. Stir until smooth, then stir in the chocolate chips, marshmallows and pecans.
  • Bake at 350 for 20 to 25 minutes. Let cool, then cut into large squares. If you have the time, I recommend cooling completely and chilling before slicing.

Notes

These brownies may sound super sweet, and but they're just the right level of sweetness if you add the nuts. The nuts offset the sugar, so if you don't like nuts you might want to go with a different blondie recipe. Simply lowering the sugar will change the texture of the brownie and may make it a little cake-y.
Keyword Blondies, Melted Marshmallow
Tried this recipe?Let us know how it was!

More Blondies

  • Browned Butter Blondies with White Chocolate Chips and Macadamia Nuts
    Brown Butter Blondies with White Chocolate and Macadamia Nuts
  • praline bars
    Betty Crocker Praline Bars
  • Honey blondies sweetened with only honey and no granulated sugar.
    Honey Blondies Sweetened With Honey only
  • Finlandia Butter Blondies
    Finlandia Butter Blondies

Comments

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  1. Anna says

    November 12, 2018 at 5:58 pm

    Thanks for the review!

  2. Emilia says

    November 12, 2018 at 5:36 pm

    5 stars
    I really liked these! Next time I might try adding oats too.

  3. Anna says

    October 25, 2018 at 8:29 am

    Kristen, I'm happy to hear they were a hit! Thanks for the comment 🙂

  4. Kristen says

    October 25, 2018 at 8:19 am

    5 stars
    I made these last night- two batches in a row! My husband and I ate way too many. I brought the rest to work today and they are a hit!

  5. Sue says

    October 15, 2018 at 7:25 am

    I will try these sometime because I really like blondies.. The Baking Illustrated recipe is my favorite so far.

  6. T. Martin says

    October 15, 2018 at 7:24 am

    Looks good...will have to make with the little people.

Peanut Butter Fudge Jumbles recipe baked in a 9-inch square Pampered Chef stoneware pan.

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I'm Anna, and welcome to Cookie Madness. To learn more about me, check the About page.

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