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Home » Recipes » Cookie Recipes

Peanut Butter Marshmallow Cookies

Published: Jul 23, 2020 · Modified: Jan 28, 2023 by Natalie · This post may contain affiliate links · 10 Comments

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These Peanut Butter Marshmallow Cookies are chewy, gooey and delicious. They’re filled with mini chocolate chips and mini marshmallows. These super easy cookies are made with simple pantry ingredients!

A chocolate chip peanut butter cooke with mini marshmallows in the center being pulled apart.

Peanut butter and marshmallows is a less common yet must-try combination! They’re both sweet and creamy. They’re delicious as is, I decided to throw a little chocolate in these cookies since it goes so well with both peanut butter and marshmallows.

For more delicious peanut butter cookie recipes, try my Old Fashioned Peanut Butter Cookies, Peanut Butter Cookie Sandwiches with Peanut Butter Buttercream and Peanut Butter Brownie Cookies.

Jump to:
  • Why This Recipe Works
  • Instructions
  • Expert Tips
  • Peanut Butter Marshmallow Cookies

Why This Recipe Works

  • These cookies are soft and chewy!
  • They are so flavorful thanks to peanut butter, vanilla, chocolate chips and marshmallows. For more delicious peanut butter recipes, try my Peanut Butter Swirl Brownies!
  • These marshmallow peanut butter cookies couldn’t be easier to make.

Instructions

Start by creaming the peanut butter, room temperature butter and the brown and granulated sugar. Add the egg and vanilla followed by the dry ingredients. Stir in the chocolate chips and mini marshmallows.

Expert Tips

  • Tip #1: Stick a few extra marshmallows on top of the cookie dough balls before you chill it.
  • Tip #2: Scoop dough balls before chilling.
  • Tip #3: I use a 2 ounce ice cream scoop to measure and shape the the cookies. Using a scoop makes cookies the same size. It’s also less messy.
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Did you try this recipe or any other recipe on my website? Please leave a 🌟 star rating and 📝 comment below.

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giant peanut butter cookies with gooey mini marshmallows and lots of chocolate chips.

Peanut Butter Marshmallow Cookies

Natalie
Peanut butter lovers: you’ll love these Peanut Butter Marshmallow Cookies! Made with brown sugar and loads of peanut butter and studded with BOTH mini marshmallows and mini chocolate chips! They have a simple list of ingredients, are super easy to make and are irresistibly delicious!
4.82 from 11 votes
Print Recipe Pin Recipe
Prep Time 1 hour hr 15 minutes mins
Cook Time 13 minutes mins
Total Time 1 hour hr 28 minutes mins
Course Cookies, Desserts
Cuisine American
Servings 12 large cookies
Calories 316 kcal

Ingredients
 
 

  • 10 tablespoons unsalted butter room temperature
  • ⅓ cup creamy peanut butter
  • 1½ teaspoon vanilla extract
  • 1 large egg room temperature
  • 1 1/2 cup all purpose flour
  • 3/4 teaspoon baking soda
  • 1/2 teaspoon salt
  • ⅔ cup brown sugar light or dark, packed
  • 1/4 cup granulated sugar
  • 3/4 cup mini chocolate chips
  • 1/2 cup mini marshmallows

Instructions
 

  • In a medium sized bowl, whisk to combine the flour, baking soda, and salt.
  • In the bowl of a hand held or stand mixer, cream the butter, peanut butter, and brown and granulated sugar until combined and creamy. Beat in the egg followed by the vanilla and beat until combined. Scrape down the sides of the bowl. With the mixer on low, gradually mix in the dry ingredients. Use a spatula or wooden spoon to stir in the chocolate chips followed by the marshmallows until they are incorporated into the dough.
  • Use an ice cream scoop to scoop dough into domes and place them on a small baking sheet to chill. Chill for 1 hour. Cookies are large and will spread as they bake, so bake 4-5 cookies per baking sheet. 
  • Bake at 350 F for 13-14 minutes, until edges are light golden brown.
  • Leave cookies on the baking sheet and allow to cool completely. 

Nutrition

Serving: 1cookieCalories: 316kcalCarbohydrates: 39gProtein: 4gFat: 16gSaturated Fat: 8gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gTrans Fat: 0.4gCholesterol: 40mgSodium: 216mgPotassium: 82mgFiber: 1gSugar: 25gVitamin A: 337IUVitamin C: 0.1mgCalcium: 34mgIron: 1mg
Tried this Recipe? Let us know!Let us know how it was!
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Reader Interactions

Comments

  1. Matt

    October 02, 2023 at 6:37 pm

    3 stars
    can we get the measurements in metric

    Reply
    • Natalie

      October 02, 2023 at 9:46 pm

      Sure-just added them!

      Reply
  2. Brenda

    September 30, 2023 at 11:59 am

    5 stars
    made these cookies twice now. Everyone loved them. Thank you for sharing your recipe.

    Reply
    • Natalie

      September 30, 2023 at 8:10 pm

      Love to hear that, Brenda! Thanks so much for making this recipe and for taking the time to comment. Enjoy the rest of your weekend 🙂 -Natalie

      Reply
  3. The Bakineer

    June 04, 2023 at 4:52 pm

    5 stars
    Made these to include in a care package for a deployed soldier although used mini dehydrated marshmallows, used small scoop, and baked for 9-10 minutes.

    Reply
    • Natalie

      June 04, 2023 at 5:54 pm

      Hi! Thanks so much for making these cookies and for sharing your recipe notes! That’s so nice you’re including them in a care package and I hope they are enjoyed.

      Reply
  4. Felecity

    December 25, 2022 at 12:20 pm

    Would love to make these but can you use light brown sugar instead?!

    Reply
    • Natalie

      December 29, 2022 at 8:29 pm

      Hi Felecity, Yes you definitely use light brown sugar in place of dark brown sugar. Please let me know if you have any other questions. Hope you enjoy the recipe! 🙂 -Natalie

      Reply
  5. maddie walker

    March 02, 2021 at 6:36 pm

    5 stars
    This recipe is so good! I just found it 2 weeks back and have already made it 2x! It is a crowd favorite over here, always requested. I recommend it greatly!!

    Reply
    • Natalie

      March 05, 2021 at 10:27 pm

      Thanks so much for making these and for your comment Maddie! So happy they’re a favorite!

      Reply

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I’m Natalie, the baker and photographer here at Parsley and Icing! Here you will find a collection of delicious and decadent dessert recipes made with fresh, from scratch ingredients! More About Natalie and Parsley and Icing

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