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    Home » Recipes » Cookie Recipes

    Oatmeal Banana Cookies

    Apr 13, 2025 by Munchkin Time · This post may contain affiliate links · 6 Comments

    1.6K shares
    Jump to Recipe Print Recipe

    These Oatmeal Banana Cookies are simple cookies that are made with only 8 ingredients and ready to eat in under 30 minutes. They’re made with old-fashioned oats and sweet ripened bananas which makes them thick, hearty, and incredibly moist!

    delicious Oatmeal Banana Cookies on a blue plate.

    I bake with bananas often! They add so much flavor and moisture and it’s always nice to have a reason not to toss out really brown bananas! 

    I’ve made buckwheat banana muffins, banana pancakes without milk, and of course, chia seed banana bread.

    Ripened bananas not only provide delicious banana flavor and sweetness but they provide texture too. So, the next time you see your bananas on the counter turning brown, don’t toss them! Next time, instead of making banana bread or banana muffins, try these oatmeal banana cookies instead.

    This banana cookie recipe makes simple yet delightful cookies that will have you running back for “just one more!”

    Jump to:
    • Recipe Tips
    • Ingredients Needed
    • How to Make Banana Cookies
    • How to Ripen Bananas Quickly
    • FAQs
    • 📖 Recipe

    Recipe Tips

    • You can use ½ cup of sugar rather than 1 cup. You can decide to do this even if your bananas aren’t the sweetest.
    • These cookies should not have a cake-like texture. They will be soft when you bite into them, but not overly soft. 
    • Measuring your flour correctly is a crucial step in making sure your cookies don’t turn out dry or dense. Using too much flour in any baking recipe can do that!
    • I like the texture of old-fashioned rolled oats as I prefer coarser cookies with more texture. However, you can certainly swap them for instant oats and they’ll be just as good. Quick oats absorb moisture faster, so you may notice a different consistency but they’ll still taste great!

    Ingredients Needed

    Ingredients Needed for Oatmeal Banana Cookies
    • Flour: The foundation of the entire cookie. Always make sure to measure the flour properly using a kitchen scale or the spoon and level method.
    • Sugar: For these banana oatmeal cookies I stick to just white granulated sugar. I find it’s just perfect with the sweetness of the bananas.
      Baking Soda: Gives the cookies a rise which helps prevent them from falling flat and becoming too crispy.
    • Salt: Enhances all the flavors in the cookies giving them the best taste!
    • Butter, softened: So it creams easily. Don’t forget to take the butter out of the fridge about 30 minutes before you begin.
    • Ripe bananas: The riper the better! Yes, even the ones that have blackness on their skin. You won’t know what it looks like until you open it up.
    • Egg: Binds the cookie dough so that the cookies don’t crumble and fall apart.
      Oats: Old-fashioned rolled oats for great texture. 

    How to Make Banana Cookies

    In a bowl flour, salt, baking soda and sugar.
    mixed dry ingredients in a blue bowl.

    Step 1: In a large bowl, sift the flour with baking soda, salt, and sugar. Set it aside.

    ripe peeled bananas added to the bowl.
    ripe bananas mashed with potato masher.

    Step 2: In the bowl of a stand mixer, mash the soft bananas with a potato masher or a fork.

    Butter and an egg added to the bowl with mashed bananas.
    Dry ingredients added to wet ingredients in a bowl.

    Step 3: Then whisk in the butter and egg until everything is combined. Add the dry ingredients to the wet ingredients. Mix to combine and then fold in the oats.

    banana oatmeal cookie batter in a bowl ready for baking.
    cookie batter placed on a baking sheet lined with parchment paper.

    Step 4: Scoop 1 Tablespoon of dough onto a parchment-lined baking sheet. Do this with the remaining dough. You should have 12 cookies.

    Baked banana cookies on a parchment paper.
    Perfectly baked banana cookies with oatmeal on a blue plate.

    Step 5: Bake the cookies for 10 minutes in a preheated 400-degree oven until the cookies turn golden brown.

    Step 6: Remove the tray from the oven and allow the cookies to cool.

    Enjoy with a cold glass of milk or a hot cup of coffee!

    How to Ripen Bananas Quickly

    This recipe is a great way to use up ripening bananas, but there are also times when you want to bake something with bananas in it, but they’re not ripe enough yet!

    Believe me, I get that you want to make these banana cookies RIGHT NOW, so here’s how to ripen your bananas in minutes!

    Do not peel them. Lay them whole on a baking tray lined with foil and bake them in a preheated 350-degree oven for 15 minutes. Once they turn black on the outside, they should be ready.

    Remove them from the oven and allow them to cool to the touch.

    Then, slice them open and remove the soft mushy banana on the inside. They are ready to use!

    FAQs

    What mix-ins can I add to the cookie dough?

    Fold in some chopped walnuts, raisins, chocolate chips, or cranberries. Adding a dash of cinnamon or nutmeg would warm them up nicely, as would a bit of vanilla extract.

    How to store leftovers from this banana cookies recipe?

    Keep them stored in an airtight container for up to 4 days at room temperature. They are a tad more moist than traditional oatmeal cookies so you may find they become a bit sticky. Placing a paper towel on the bottom of the container can help absorb some of that.

    Do they freeze well?

    They do! Layer them with parchment paper and freeze them for up to 2 months in a freezer bag. This is so that they don’t stick together and you can just take out a couple at a time when the cravings hit!

    More Easy Dessert Ideas

    • Dubai Pistachio Chocolate Bar
    • Chocolate Dirt Pudding
    • No Bake Mini Cheesecakes
    • Best Giant Chocolate Chip Cookie
    • Chocolate Thumbprints Cookies

    When YOU make this banana cookies recipe please tag us @munchkintimeblog on Instagram, we would LOVE to see your creation!

    If you tried these banana oatmeal cookies or any other recipe on my website, please leave a * star rating and let me know how it went in the comments below. Thanks for visiting!

    Thank YOU for YOUR Comment, Share & Recipe Review!

    📖 Recipe

    Perfectly baked banana cookies with oatmeal on a blue plate.

    Banana Oatmeal Cookies Recipe

    Love Keil
    These Banana Oatmeal Cookies are perfect! Packed with flavor and texture, they make for a great snack or breakfast option. Plus, they're super easy to whip up!
    5 from 1 vote
    Print Recipe Pin Recipe
    Prep Time 10 minutes mins
    Cook Time 15 minutes mins
    0 minutes mins
    Total Time 25 minutes mins
    Course Dessert
    Cuisine American
    Servings 32 cookies
    Calories 126 kcal

    Equipment

    • baking sheet

    Ingredients
      

    • 1 ½ cup flour
    • ¾ cup sugar use 1 cup of sugar if you want cookies to be more sweeter
    • ½ teaspoon baking soda
    • ¼ teaspoon salt
    • ½ cup butter softened
    • 3 ripe bananas
    • 1 large egg
    • 1 ¾ cup old fashion oats

    Instructions
     

    • Preheat Your Oven: Start by preheating your oven to 400°F (200°C). Line a baking sheet with parchment paper for an easy cleanup.
    • Mix Dry Ingredients: In a large mixing bowl, sift together the flour, baking soda, salt, and sugar. Set this mixture aside while you prepare the wet ingredients.
    • Prepare the Wet Ingredients: In a stand mixer or a large mixing bowl, smash the ripe bananas using a fork or potato masher until they are mostly smooth with a few chunks for texture.
    • Add the softened butter and the egg. Mix until everything is well combined, about 1 minute.
    • Combine Mixtures: Gradually add the dry flour mixture into the wet ingredients, stirring gently until just combined. Be careful not to overmix! Fold in the oats and any additional mix-ins like nuts or chocolate chips.
    • Scoop and Bake: Using a tablespoon or a small cookie scoop, drop rounded tablespoons of dough onto the prepared baking sheet, spacing them about 2 inches apart.
    • Bake in the preheated oven for 10-12 minutes or until the cookies turn a lovely golden brown.
    • Cool and Enjoy: Allow the cookies to cool on the baking sheet for a few minutes before transferring them to a wire rack to cool completely. Enjoy these delightful Banana Oatmeal Cookies with a glass of cold milk or a warm cup of coffee!

    Notes

    • These Banana Oatmeal Cookies are not only a delicious treat but also a wonderful way to use up overripe bananas.
    • Get creative with your mix-ins:
    - ½ cup chopped walnuts or pecans for added crunch
    - ½ cup chocolate chips for a sweet touch
    - 1 teaspoon vanilla extract for enhanced flavor
    - ½ teaspoon cinnamon for a warm, aromatic note 
    • These cookies can be stored in an airtight container at room temperature for up to a week, or frozen for a longer shelf life.

    Nutrition

    Calories: 126kcalCarbohydrates: 20gProtein: 3gFat: 4gSaturated Fat: 2gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 1gTrans Fat: 0.1gCholesterol: 13mgSodium: 61mgPotassium: 96mgFiber: 2gSugar: 6gVitamin A: 104IUVitamin C: 1mgCalcium: 10mgIron: 1mg
    Tried this recipe?Let us know how it was!

    Happy Baking!

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    Reader Interactions

    Comments

      5 from 1 vote (1 rating without comment)

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      Recipe Rating




    1. Allison

      July 18, 2019 at 4:02 pm

      By the way, I found your website through a link on hip2save.com and I spent a good hour or two this morning printing out about 20 recipes off your website that I wanted to try out. Thank you so much for solving the never-ending problem of "what's for dinner" in my household! Your recipes look so so good!

      By the way I just made these cookies and I might have added too much bananas as these taste like mini banana bread bites. Very good though. Are they supposed to have a cake-like texture?

      Reply
      • Munchkin Time

        November 05, 2019 at 9:22 am

        OMG, I can't believe I didn't reply this this sweet comment, I am so sorry for a late reply.

        Thank you so much Allison! For your sweet comment and recipe review! How many bananas did you added, the cookies should be soft when you bite into them but not too moist if that makes sense?

        Reply
    2. Allison

      July 18, 2019 at 9:16 am

      What kind of oatmeal do you use - old fashioned or quick cooking?

      Reply
      • Munchkin Time

        July 18, 2019 at 12:13 pm

        Hi Allison! I use old fashion oats.

        Reply
        • Allison

          July 18, 2019 at 2:31 pm

          I only have the quick cooking oats on hand. Do you think these will change the recipe too much if I use those?

        • Munchkin Time

          July 18, 2019 at 2:56 pm

          I am sure they will taste just as good!

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    Love Keil from munchkintime.com

    Love Keil is a food photographer, blogger and a recipe developer. She is passionate about creating delicious homemade meals for her family.

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