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Home » Recipes » Cookie Recipes

3 Ingredient Oatmeal Cookies

Published: Aug 16, 2025 by Debra Clark · 55 Comments

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Crazy-easy, chewy and delicious, 3 Ingredient Oatmeal Cookies are so simple and tasty! These moist, tender, chewy oatmeal cookies are a great small batch sweet treat! 

Instant Oatmeal cookies on a cooling rack. In the background is bunch of bananas, a coffee cup and oatmeal in a clear glass container.
Jump to:
  • 3 ingredient oatmeal cookies
  • Ingredients
  • 3 Ingredient Oatmeal Cookie Recipe
  • FAQ's
  • Tips to ripen bananas
  • Variations
  • Related recipes
  • 💭 Recipe backstory
  • Wrapping it up

3 ingredient oatmeal cookies

Instant Oatmeal Cookies - How crazy is that? And these cookies are GOOD! Like seriously good. Like "Deb the anti-sweet girl ate three" cookies (embarrassing yes!) but true, good!!!

They make a great after-school snack or breakfast cookie for busy mornings. If you can make a bowl of oatmeal, you can make these cookies. They are the easiest cookies to make!

Ingredients

All of the ingredients to make the cookie recipe.

For the exact simple ingredients for these chewy cookies, please refer to the printable recipe card at the bottom of this post. 

Hand holding a 3 ingredient oatmeal cookie, with additional cookies on a cooling rack in the background.
5 from 35 votes

3 Ingredient Oatmeal Cookie Recipe

Instant oatmeal cookies, with just 3 ingredients! This is such an easy recipe. You won't even need to use your hand mixer. Unlike traditional cookies these take minutes to make and they are a delicious treat. Make a double batch, because these go fast!
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Prep Time5 minutes mins
Cook Time12 minutes mins
Total Time17 minutes mins
Course: Dessert
Cuisine: American
Servings: 10 cookies
Calories: 29kcal
Author: Deb Clark
Cost: $7

Ingredients

  • 1 large over-ripe banana
  • 2 packets maple pecan instant oatmeal
  • ¼ cup pecans chopped

Instructions

  • Preheat the oven to 375 degrees. Spray baking sheet with non-stick cooking spray set aside.
  • Using a fork, mash the banana, chop the pecans.
    A white bowl filled with bananas that have been mashed with a fork. Surrounded by bananas, chopped pecans and oatmeal in a bowl.
  • In a large mixing bowl, mix dry ingredients, the 2 packets of instant oatmeal in with the banana, stir in the pecans.
    Instant oatmeal, bananas and pecans stirred together in a white bowl with a blue spatula.
  • Drop dough by spoonfuls onto a baking sheet - I use a small ice cream scoop so the cookies are uniform in size and bake evenly.
    Small cookie scoop portioning cookie dough onto a baking sheet lined with parchment paper.
  • Bake for 12 minutes until golden brown, allow to cool for 5 minutes before removing from the baking sheet onto a wire rack.
    Baked cookies on a cookie sheet lined with parchment paper.

Notes

This recipe makes 10 small cookies/6 large. 
Refrigerator the cookies. Allow cookies to cool to room temperature. Store in an airtight container in the refrigerator. Freeze up to two months.

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    Nutrition

    Calories: 29kcal | Carbohydrates: 3g | Fat: 1g | Potassium: 58mg | Sugar: 1g | Vitamin A: 10IU | Vitamin C: 1.2mg | Calcium: 2mg | Iron: 0.1mg

    FAQ's

    What if I can't use up all of the ripe bananas?

    Place the overripe bananas in a Ziploc freezer bag and pop it in the freezer. Skin on/skin off - either way, works. Personally, I think leaving the skin on preserves the banana better.

    Do these cookies need to be refrigerated?

    Yes, when these are cooled, be sure to refrigerate the oatmeal banana cookies. They also freeze great!

    Do I need to use parchment paper?

    Yes, using a silpat or parchment paper is recommended when baking these cookies.

    Oatmeal cookies on a cooling rack with a bunch of bananas in the background.

    Tips to ripen bananas

    What makes these cookies extra delicious is a good over-ripe banana.

    • Place the bananas in a paper bag and leave them on the counter
    • Preheat the oven to 350 degrees and bake the bananas (peel-on) for 15 to 20 minutes until the skins are completely black.
    • Remove the skin, place the bananas in a bowl and microwave at 15-second intervals until soft. Depending on your microwave it will take 2-3 times until the bananas can be easily mashed.

    Variations

    There are several varieties of individual serving oatmeal packets. The apples and cinnamon would be terrific with a handful of dried cranberries and walnuts.

    Substitute a handful of raisins for the nuts when you use the Cinnamon and Spice packet. These are so simple and perfect for a grab 'n go breakfast for busy mornings!

    Add a small handful of dark chocolate chips is terrific with the maple and brown sugar packets.

    Related recipes

    It's been so fun sharing tried and true family cookie recipes on the blog! Here are more of my favorite easy cookie recipes!

    • Pumpkin Chocolate Chip Cookies - soft chewy cookies that start with a cake mix!
    • These super delicious Peanut Butter Oatmeal Cookies are amazing, all you need is a big glass of milk!
    • Peanut Butter Blossoms - oooh that candy kiss!!

    💭 Recipe backstory

    Christina and Deb holding a platter of cookies .
    Christina and I at KSEE24 snapped a quick photo before the production crew came in and polished off the rest of the cookies!

    I've had the privilege of hosting KSEE24 before here at the house, but I've never been to the station, so this was exciting stuff! I got up bright and early (3 am!) to get ready, pack everything up and head to the station!

    These cookies made their debut last week on TV! If you live here in the Valley I was on our local NBC affiliate station KSEE24 News morning show!

    They are the perfect cookies to make for the show. So simple, it takes longer to preheat the oven than mix the cookie dough!

    We had four segments on air. We baked Pumpkin Chocolate Chip Cookies, 4 Ingredient Peanut Butter Cookies and these tasty 3 Ingredient Oatmeal Cookies! We wrapped everything up in the end by packaging them into cute little boxes (pictured above) for a cookie exchange!

    Wrapping it up

    These 3-ingredient oatmeal cookies are proof that simple can still be seriously delicious. Whether you're baking up a quick snack, a lunchbox treat, or just need something sweet without the fuss-this recipe's a keeper.

    If you give it a try, I'd love to hear how they turned out! Leave a comment below, snap a photo, and tag me on social-I always love seeing your creations! 🍪💛

    Platters of homemade cookies on a counter.
    Instant Oatmeal Packet Cookies

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    1.1K shares

    About Debra Clark

    Hey I'm Deb Clark, and I'm the owner of Bowl Me Over! We live in the sleepy little town of Scappoose, Oregon. And I admit it... I love food! Join me in this foodie journey (even if you've never cooked before!) I will help you learn to be confident in the kitchen! Want to learn more? Let's stay connected, you can email me at debra@bowl-me-over.com and find me on Facebook, Pinterest, Instagram, Twitter and YouTube.

    Comments

      5 from 35 votes (15 ratings without comment)

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      Recipe Rating




    1. Cindy says

      November 06, 2023 at 12:29 pm

      5 stars
      Making these as after school snacks was a breeze and the kids loved them - thank you!

      Reply
    2. Camden says

      October 29, 2023 at 8:14 am

      Oh wow, thank you for sharing so many variations to instant oatmeal cookies!

      Reply
      • Bowl Me Over says

        October 29, 2023 at 8:21 am

        These are just eh BEST Camden, enjoy!

        Reply
    3. One Crazy House says

      October 27, 2023 at 3:23 pm

      5 stars
      You had me at "3 ingredient oatmeal cookies"! I don't bake nearly as much as I would like (because who has the time--but I can make time for a simple, satisfying recipe like this!)

      Reply
    4. Cyndy says

      October 25, 2023 at 2:20 pm

      These instant oatmeal cookies are awesome! I love the fact that they are only made with 3 simple, natural ingredients.

      Reply
    5. Sharon says

      October 16, 2023 at 9:36 pm

      5 stars
      I just love a good, soft, and chewy cookies! I think I am going to add dried cranberries to this instant oatmeal cookies recipe!

      Reply
    6. Holly says

      October 16, 2023 at 12:13 pm

      5 stars
      Since there is oatmeal in these instant oatmeal cookies, that makes them healthy, right? Asking for a friend 😉 LOL!

      Reply
    7. Kristen says

      October 16, 2023 at 10:19 am

      5 stars
      I love simple 3-ingredient cookie recipes like this instant oatmeal cookies recipe, because no matter what, I usually have all of the ingredients if I want an impromptu baking session (and don't feel like running to the store!).

      Reply
    8. Rita Joy says

      October 14, 2023 at 5:19 pm

      First of all, how cool and clever is this 3 ingredient oatmeal cookies recipe!! They sound absolutley delicious and wonderfully quick. And second, I didn't know you've been on TV! These instant oatmeal cookies have such a fun story, I'm so glad you shared it with us.

      Reply
    9. Alyssa says

      October 12, 2023 at 7:58 am

      I can't wait to make these instant oatmeal cookies for my boys. They will be the perfect after school snack!

      Reply
    10. Cynthia says

      October 10, 2023 at 10:21 am

      I love that these instant oatmeal cookies take so few ingredients!

      Reply
      • Bowl Me Over says

        October 10, 2023 at 1:31 pm

        This easy recipe is so good - will you have them as a snack or as breakfast cookies?

        Reply
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