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Cookies for dessert or breakfast! These 3 ingredient banana cookies are not only delicious but super nourishing. Plus, they take just 15 minutes to whip up!

3 ingredient banana cookies

Why 3 Ingredient Banana Cookies Work

You might be thinking “How the HECK can you make a cookie with only 3 ingredients?!”, right? Well, I thought the same thing when I was developing this recipe. I mean, I had just made recipes for small batch peanut butter cookies and almond flour peanut butter cookies which, while they’re both super easy recipes, they definitely have more than just 3 ingredients!

The oatmeal banana cookies 3 ingredients don’t include eggs, milk, butter, sugar, or flour. Yet these cookies are AMAZING. It’s like magic! Seriously. These are fool proof!

3 ingredient banana cookies

3 ingredient banana cookies

Oatmeal Banana Cookies 3 Ingredients

So, we know what these cookies don’t have, but what DO they have?

  • mashed banana
  • rolled oats
  • vanilla

3 ingredient banana cookies

That’s it! SO easy, right?

Now, you can totally jazz up these banana oatmeal cookies 3 ingredients with a couple extras if you like. You could get a little fancy and make them with some added nut butter, chocolate chips, coconut or dried fruit. The possibilities are really endless!

3 ingredient banana cookies

3 ingredient banana cookies

3 Ingredient Banana Cookies FAQs

What kind of oats do I need?

I like to use old fashioned, rolled oats for these, they’re a little sturdier. But if all you have is quick oats I wouldn’t let that stop you from making these to be honest! You just wont end up with as chunky oat pieces.

Are thee 3 ingredient banana oatmeal cookies breakfast cookies?

The term “breakfast cookie” could be any cookie, in my opinion! Heck, have one of these copycat Panera kitchen sink cookies for breakfast if you want! Sometimes I do! However, yes, these cookies are a little more nutrient dense and might leave you with some more sustained energy to start your day. I like to have these before a morning workout to really power me through, or crush them up into a greek yogurt bowl for a mid-afternoon snack. So good!

How do I store these 3 ingredient banana cookies?

To store these banana cookies 3 ingredients magical goodness you can keep them on the counter for 5-7 days or pop them in the freezer for 2-3 months!

Also, pro-tip: make a double batch and throw half in the freezer. You’ll be SO glad you did when you find yourself reaching for the last cookie!

3 ingredient banana cookies

If you like this recipe please be sure to leave a star rating on the recipe card below as well as a comment with your thoughts. It really does help me to be able to bring you more new recipes each week!

3 ingredient banana cookies

3 Ingredient Banana Cookies

Yield: 8 cookies
Prep Time: 5 minutes
Cook Time: 10 minutes
Total Time: 15 minutes

Perfectly soft & chewy, these banana oatmeal cookies are packed with nutrients yet taste utterly delicious! 3 ingredient banana cookies make a perfect sweet treat OR breakfast!


  • 2 bananas, very ripe
  • 1 cup old fashioned oats, dry
  • 1 tsp vanilla extract


  1. Preheat oven to 350 degrees. Line a baking sheet with parchment paper, a spillmat, or spray with non-stick spray.
  2. In a medium to large sized bowl mash a banana with a fork or potato masher.
  3. Add old fashioned oats and vanilla, mixing well until thoroughly combined.
  4. Using a cookie scoop or taking roughly 2 tbsp of the cookie dough, form it into a ball, gently flatten and place on prepared cookie sheet. Repeat this process with remaining cookies.
  5. Cake cookies for 10 minutes until golden brown. Remove from oven and allow to cool fully, ideally using a cooling rack.
  6. Enjoy cookies alone, with milk, crushed into yogurt, or used to make an ice cream sandwich!


May sub quick oats if needed, however I do like old fashioned, rolled oats best.

Feel free to add chocolate chips, a pinch of flaky salt, coconut flakes, nut butter or any other add-ins you like!

Nutrition Information:
Yield: 8 Serving Size: 1
Amount Per Serving: Calories: 70Total Fat: 1gSaturated Fat: 0gTrans Fat: 0gUnsaturated Fat: 0gCholesterol: 0mgSodium: 1mgCarbohydrates: 15gFiber: 2gSugar: 4gProtein: 2g



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