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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. I love that you’ve devoted this entire week to Ben & Jerry’s flavors. This one sounds delicious! (:

  2. Elaine @ Cooking to Perfection

    I love the cinnamon buttercream frosting on these! I bet that makes them extra sinfully delicious.

  3. Elizabeth @ Confessions of a Baking Queen

    These cookies look amazing! Think I might just have to make them for a grad party this weekend. That buttercream… damn! And I love dark brown sugar too! Funny I used to never use it but once I did, I haven’t gone back!

  4. Nancy P.@thebittersideofsweet

    I love that buttercream on the cookie. You could totally eat it by the spoonful! At least that is what I would do! 🙂

  5. I’m sitting here with my jaw to the ground because a) I had no idea that Ben and Jerry’s has an oatmeal cookie ice cream – I feel cheated (I do live in the middle of nowhere with unspeakable, meaning terrible, grocery access, but still) b) I’ve never thought to put frosting on top of an oatmeal cookie but clearly I need to rectify that immediately and c) I just spent the last hour perusing the internet for a dessert to make for a ladies’ night dinner at my house tomorrow – I was feeling oh-so uninspired (how does that happen with so much available on the ol’ internet anyway) and then I saw these which of course I’ll be making. I don’t know how you come up with this stuff but you are brilliant.

  6. This might just be my favorite of the lot! I’m a sucker for anything that involves cinnamon, brown sugar, and buttercream.

  7. I’m pretty sure, that frosting, wouldn’t even make it on the cookies if I was making them! Spoonful after spoonful……yum!

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