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Healthy 3-Ingredient Banana Oatmeal Cookies

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These Healthy 3-Ingredient Banana Oatmeal Cookies are so easy, perfect for using up those rip bananas sitting on your counter!!

Banana Oat Cookies
3-Ingredient Banana Oatmeal Cookies

Let’s not mistake these healthy banana oat cookies for traditional cookies, these are best eaten right out of the oven! They are soft and chewy, and so delicious!! Think banana nut bread only as a cookie. You can even eat them for breakfast or enjoy them as a snack or dessert. I’ve also created variations of these banana oatmeal cookies, try these Chocolate Chip Healthy Oat Cookie, and my PB & J Healthy Oat Cookie.

Banana Oatmeal Cookies

These banana oatmeal cookies are best right out of the oven, they are chewy and soft – just how I like my cookies! You can also make them as a two ingredient cookie, but walnuts and bananas are my favorite combination. Walnuts are nutrient-rich, they provide good fat, protein, fiber, and manganese, plus magnesium, iron, calcium, and B vitamins.


I’m always anxiously awaiting my bananas to get super ripe so I can make these cookies, which I have been making for years. I’ve made them with Chocolate Chips, and PB & J. You can try them with almonds, raisins, cinnamon, pumpkin spice, craisins and more!

They are also great for egg free, dairy free, gluten free (use gf oats), vegetarian, and vegan diets.


  • Your bananas should be super ripe.The riper the sweeter since we are not adding sugar here.
  • Leftover cookies can be frozen; let them cool then wrap tight in plastic wrap and freeze. Thaw or heat in microwave a few seconds before eating.
  • Rolled oats can be used in place of quick outs.
  • Check labels for gluten-free.

How To Make Banana Oatmeal Cookies

Banana Oatmeal CookiesBanana Oatmeal Cookies

Healthy Banana Oatmeal Cookies

4.64 from 66 votes
These Healthy Banana Oatmeal Cookies are made with just three ingredients! Mashed ripe bananas, oatmeal and walnuts. SO GOOD!
Course: Breakfast, Brunch, Dessert, Snack
Cuisine: American
Banana Oat Cookies
Prep: 10 mins
Cook: 15 mins
Total: 25 mins
Yield: 8 servings
Serving Size: 2 cookies


  • 2 medium ripe bananas mashed
  • 1 cup of uncooked quick oats*
  • 1/4 cup crushed walnuts


  • Preheat oven to 350°F.  Spray a non-stick cookie sheet with cooking spray or use a Silpat.
  • Combine the mashed bananas and oats in a bowl. Fold in the walnuts.
    mashed bananas, oatmeal and walnuts
  • Place a tablespoon of each on the cookie sheet.
    Banana Oatmeal Cookies on baking sheet.
  • Bake 15 minutes. Makes 16 cookies.

Last Step:

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*Use gluten free oats such as Bob's Red Mill quick oats to make them gluten free.
Leftover cookies can be frozen; let them cool then wrap tight in plastic wrap and freeze. Thaw or heat in microwave a few seconds before eating.


Serving: 2 cookies, Calories: 93 kcal, Carbohydrates: 15 g, Protein: 2 g, Fat: 3.5 g, Sodium: 0.5 mg, Fiber: 2 g, Sugar: 4.5 g


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481 comments on “Healthy 3-Ingredient Banana Oatmeal Cookies”

  1. I really like these! My husband is sensitive to nuts so I swapped in 1/8 cup of mini chocolate chips for the walnuts. Added a tiny pinch of salt, too. My bananas were on the smallish side of medium and I got 15 cookies using a cookie scoop. I wanted them a little more ‘done’ so I baked for 15 minutes, checked, left them in for another 4 minutes, checked again, and let them go another 4 minutes for a total of 23 minutes. They are so tasty! I’m going to have to make another batch tonight or tomorrow!

  2. Didn’t have any walnuts on hand, but I had a bottle of almond extract. Smells and tastes very good. I know it probably makes it a little less healthy, but I threw a tablespoon of butter in the mix.
    Makes awesome cookies! 

  3. Has anyone ever soaked the quick oats in almond milk before using them in these cookies? Love the flavor but the oats needed a little something to soften them up. 

  4. i added spices (nutmeg and cinnamon) and a dadh id vanilla.
    i agree with the other review it makes like 10 cookies. i got 9. i assume it could varry on banana size. i used a mini muffin pan to bake them. to me theirs not much to rate in regards to taste. its oats and bananas. it depends how well you mash, mix, and if you over/under bake them. i do love how its a simple base easy to change it up. i didnt add nuts by choice.

  5. Just made these and I can’t stop eating them!
    They are delicious, I added mini chocolate chips to half of the batter just to try it and oh my gosh so good! 
    Thank you for this recipe 🙂

  6. I love this recipe for a quick mid- day snack or a healthier treat with my morning coffee. I do add a small drizzle of honey, vanilla extract, a pinch of salt and whatever chocolate I have laying around. Not as heathy as the original
    Version but much better than a typical cookie! Oddly, I really like them chilled from the refrigerator.