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Oatmeal Chocolate Chunk Cookies

These Oatmeal Chocolate Chunk Cookies are based on the popular Ben & Jerry’s ice cream flavor! They’re a thick oatmeal cookie loaded with chocolate and topped with a creamy sweet brown sugar cinnamon buttercream!!

Oatmeal Chocolate Chunk Cookies with Cinnamon Buttercream | Cookies and Cups

I’m not sure if the ice cream flavor is available everywhere, but it’s a HUGE favorite of mine! The ice cream itself is Sweet Cream Cinnamon Ice Cream with Chunks of Oatmeal Cookie and Fudge. So making a cookie version was kinda easy and totally delicious.

Oatmeal Chocolate Chunk Cookies with Cinnamon Buttercream | Cookies and Cups

You can absolutely make these Oatmeal Chocolate Chunk Cookies without the frosting, but keeping in part with the ice cream flavor it’s a fun addition!
Chocolate Chunk Oatmeal Cookies are easy! They’re thick and soft with crisp, buttery edges! It’s a fairly straightforward recipe. But I do use only dark brown sugar in my oatmeal cookies. The dark brown sugar gives the cookies a deep, rich flavor. If you have made my Oatmeal Raisin Cookies, you know what I mean…and if you haven’t, you NEED to!!

A measuring cup of packed brown sugar

Also I used quick oats in these cookies as opposed to rolled oats, or old fashioned.

Oatmeal chocolate chip cookie balls on a baking mat

The quick oats are cut into small pieces (so they cook faster) and tend to give this cookie a more uniformed texture. You could certainly sub in rolled or old fashioned if that’s what you have, it isn’t going to hurt, the cookies will just appear more “oatey”, which is totally a word.

Let the cookies bake until they are golden around the edges…don’t over-bake these guys.
Let them cool on your baking sheet for about 3 minutes and the transfer them over to a wire rack to finish cooling.

While you’re waiting you should make your frosting.
Now this frosting is out of control good. Like I said earlier, it’s a Brown Sugar Cinnamon Buttercream, so it’s pretty much perfect.

Ground cinnamon in a measuring scoop

Just beat some butter and brown sugar together (again, I used dark, but that’s a personal preference) and add in some cinnamon…

I like using a strong Saigon Cinnamon. It just tends to have a bit more pop of flavor.

Whip that up with some powdered sugar and milk and you’ve got it! Give each cookie a healthy dose of frosting and you’re all set…

Oatmeal Chocolate Chunk Cookies with Cinnamon Buttercream | Cookies and Cups

Honestly, these are going in the cookie rotation in my house!

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Oatmeal Chocolate Chunk Cookies with Cinnamon Buttercream Frosting

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  • Prep Time: 10 minutes
  • Cook Time: 9 minutes
  • Total Time: 19 minutes
  • Yield: 36 cookies 1x
  • Category: Cookies
  • Method: Baking
  • Cuisine: Dessert


makes 36 cookies




  • 1 cup butter, room temperature
  • 1 1/2 cups dark brown sugar
  • 2 eggs
  • 2 tsp vanilla
  • 2 cups flour
  • 1 tsp salt
  • 1 tsp baking soda
  • 3 cups quick oats
  • 2 cups chocolate chunks


  • 1 cup butter, room temperature
  • 1/2 cup brown sugar (light or dark…I used dark)
  • 1 tsp cinnamon
  • 1 lb powdered sugar (45 cups)
  • 1/2 tsp vanilla
  • 34 Tbsp milk or cream



  1. Preheat oven to 350°
  2. Line baking sheet with parchment paper.
  3. Cream butter and brown sugar together until combined, about 2 minutes. Add eggs and vanilla and beat for another 2 minutes until light in color.
  4. Slowly add in flour, salt and baking soda and mix until just combined. Slowly pour in oats and mix.
  5. Fold in chocolate chunks.
  6. Form about 1 1/2 tablespoon of dough into balls and place on baking sheet 2″ apart. Bake 8-9 minutes until golden around edges.
  7. Allow to cool on baking sheet for 3 minutes and transfer to a wire rack to cool completely.


  1. In bowl of stand mixer beat butter and brown sugar together for 2 minutes. Turn mixer to low and add in cinnamon and powdered sugar.
  2. Finally add in milk and vanilla and beat for another 2 minutes until light and fluffy.
  3. Spread approximately 1 tablespoon of frosting on each cookie.


  • Serving Size: 1 cookie without frosting
  • Calories: 185
  • Sugar: 13.1 g
  • Sodium: 106.2 mg
  • Fat: 9.5 g
  • Carbohydrates: 23.8 g
  • Protein: 2.9 g
  • Cholesterol: 23.9 mg

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41 comments on “Oatmeal Chocolate Chunk Cookies”

  1. My cookies didn’t flatten out like your picture…? I used my small cookie scoop. I forgot to use my dark brown sugar but will next time, along with my bigger cookie scoop. Will the frosting lose the crunch crunch from the brown sugar if I cream it longer?

  2. Is there no baking powder or baking soda in the recipe? I didn’t see it in the ingredient list. Thank you for the recipe!

    1. There’s baking soda in the cookies 🙂 it’s listed in the ingredients…the seventh ingredient listed!

  3. The cookies are the BEST!!! My husband says they are the best he has ever had. Thank you for the recipe! I need to make a ton of these for a function (dozens and dozens). Would you recommend freezing them with the frosting ON them? Or frost them after defrosting?

  4. Hi Shelly

    How would stack or store these cookies to keep the frosting on them, if you want to give these as gifts.

    1. I would let them sit out for a few hours for the frosting to set up. It’s a fluffier frosting so it will never set up completely. But I night recommend laying them sideways in a box and using parchment paper to separate them.

  5. Made these a couple days ago and my family and I love them. They’re super moist and the cinnamon buttercream frosting adds the perfect touch!

  6. Samantha @ Five Heart Home

    These look amazing, Shelly…what a great combination of some of my favorite flavors. Pinned!

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