Marshmallow Brownie Cookies

November 27, 2011

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I know you want one =).  When I first began to create the recipe for this cookie I started with a chocolate cookie dough made from scratch.  I hated the taste the cocoa left behind, or something.   So, after 2 previous failed attempts at the perfect chocolate cookie (and lots of cookie dough tossed in the trash),  I now have the perfect chocolate cookie.  This recipe starts with a brownie mix and they are amazing to say the least!  If you like chocolate or brownies you will love this cookie (and I mean come on who doesn’t like chocolate and brownies? =).  It even reminds me of those amazing chocolate covered marshmallows that I love.  This recipe is a must try!  These cookies are luxurious!

You may also like to try S’mores Cookies, they taste just like a S’more!

Marshmallow Brownie Cookies

Who doesn't love this flavor combo of chocolate and marshmallows? These cookies are dreamy!
Servings: 36
Prep20 minutes
Cook30 minutes
Ready in: 50 minutes


  • 1 (18.3 oz) pkg brownie mix (I used Betty Crocker fudge brownie mix)
  • 1 1/4 cups all-purpose flour
  • 1/4 cup packed light-brown sugar
  • 1/4 tsp salt
  • 2 large eggs
  • 2 Tbsp milk
  • 1/2 cup unsalted butter , melted
  • 1 tsp vanilla extract
  • 2 cups mini marshmallows
  • 3/4 cup semi-sweet chocolate chips
  • 3 Tbsp butter
  • 3 Tbsp water


  • Preheat oven to 350 degrees. Butter a cookie sheet and set aside. In a large mixing bowl, whisk together brownie mix, flour, brown sugar and salt. Add in eggs and milk and stir with a large spoon. Add in melted butter and vanilla and stir until well blended. 
  • Spoon dough by heaping tablespoonfuls onto greased cookie sheet (you can fit 12 per sheet). Bake for 9 minutes and remove from oven and top each cookie with about 6 - 7 marshmallows (you may have to push down on the marshmallows slightly to keep them from rolling off). 
  • Move oven rack near the top of the oven and return cookies to oven to bake 2 more minutes until marshmallows soften. Remove from oven and set cookies aside. In a small microwave safe mixing bowl combine chocolate chips, butter and water. 
  • Microwave chocolate on 50% in 30 intervals stirring after each interval until melted and smooth. Pour mixture into a small ziploc bag. Cut a small tip off the end and drizzle over marshmallow brownies cookies. Store cookies in an airtight container.


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  • hayden

    what is packed light brown sugar? are those the cubed ones? and is there a difference if i use the granulated kind?

    • Jaclyn

      Jaclyn Bell

      Packed light brown sugar is basically granulated sugar with molasses added to it and then in the recipe it’s labeled as ‘packed’ because when you measure it you pack it into the measuring cup. In the US you can find it near the granulated sugar in the baking isle of the grocery store. If you are unable to find it you can blend a 3/4 tsp molasses with 1/4 cup granulated sugar and blend well with a fork, BUT since this recipe only calls for 1/4 cup you can just substitute granulated sugar =). Hope you enjoy!

  • Stacy’s Snippets

    These will be amazing with the new peppermint mini marshmallows that I found the other day at walmart!!! Totally making them this weekend!

    New follower from……hmmmm…not really sure?


  • Rekha K

    Cookies look so inviting that I feel like grabbing few and munch with some hot coffee!! Kids are going to love marshmellowes !!