Peanut Butter Banana Oatmeal Cookies

By Sophia DeSantis, Reviewed by Anjali Shah on August 12, 2026

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These healthy peanut butter oatmeal banana cookies are everything I want in an indulgent but wholesome homemade treat. I use rolled oats, ripe banana, and natural peanut butter to make soft, chunky cookies with lightly crisp edges. The best thing is, I can make them in just over 20 minutes, which is great for those sudden cravings.

Stack of three oatmeal chocolate chip cookies on a plate

Whole food baking is one of my favorite ways to make everyday treats like these healthy peanut butter oatmeal banana cookies more nourishing without giving up great flavor. I pack these cookies with wholesome ingredients that keep them soft, satisfying, and naturally sweet, just like my healthy oatmeal raisin cookies. Give this recipe a try on your next baking day, and let me know what you think.

Table of Contents hide

👩🏽‍🍳 Why I Love This Recipe

🍽 Serving Suggestions

🧊 Storing And ♨️ Reheating

❓Recipe FAQs

🍪 More Cookie Recipes!

I first started making these cookies when I noticed my boys smearing peanut butter on their vegan oatmeal raisin chocolate chip cookies. I wanted to make a cookie with simple ingredients, no refined sugar, and a distinct peanut butter flavor. At first, I was skeptical since the ingredient list seemed way too simple, but after one bite, I knew I had a winning recipe.

👩🏽‍🍳 Why I Love This Recipe

My healthy peanut butter banana oatmeal cookies are the perfect example of how basic ingredients can make the most satisfying treats. And personally, I find these cookies extra satisfying as a health coach because they are practically guilt-free. Rolled oats add texture and fiber, ripe bananas provide natural sweetness and moisture, and the peanut butter contributes protein and healthy fats. That’s definitely healthier than most store-bought cookies.

Making these cookies could not be much easier. I use a classic mixing method that never fails to yield the perfect texture. First, I whisk the wet ingredients together, then mix in the dry ingredients to create a thick dough. Then I fold in the chocolate chips and pecans and add scoops onto a prepared baking sheet. I bake the cookies until lightly golden around the edges, allow them to cool completely, and serve.

A few months ago, I had these cookies baking in the oven when a friend came over, and she immediately commented on how good they smelled. But as soon as I said the word oatmeal, I could see she looked less than thrilled. She had a strong dislike for oatmeal cookies since she was young. When I pulled them out of the oven, I could see her breathing in their smell and had to ask why she did not like oatmeal cookies. It was because of the raisins. Ha!

Every oatmeal cookie she had ever tried had raisins, and she pointed to mine. When I told her there were zero raisins in these cookies and that she was actually looking at chocolate chips, she could not get her hands on one fast enough. She actually burnt the roof of her mouth! Try these cookies this week, but please do give them a chance to cool down.

🥘 Ingredients

My healthy peanut butter banana oatmeal cookies need simple ingredients, which I bet you already have in your kitchen. This is everything I use to create a naturally sweet and soft cookie:

Metal spatula picking up oatmeal chocolate chip cookie off a white plate

Natural peanut butter: I recommend using natural peanut butter made with just peanuts and a little salt for the best flavor and texture.

Ripe banana: A well-speckled banana gives the best sweetness while helping bind the dough.

Maple syrup: This provides just enough additional sweetener and complements the peanut. You can also substitute with homemade date paste.

Vanilla extract: A splash of vanilla rounds out the flavors and makes these cookies taste like a proper bakery-style treat.

Rolled oats: I use rolled oats to give the cookies a hearty texture and keep them gluten-free.

Baking soda: This gives the cookies a gentle lift while helping them brown around the edges.

Sea salt: A small pinch balances the sweetness and enhances the peanut butter flavor.

Mix-ins: Dairy-free chocolate chips, chopped pecans add pockets of sweetness and a buttery crunch throughout the cookies.

🔪 How To Make

These healthy peanut butter banana oatmeal cookies can be made in just one bowl with only a few minutes of prep. This is how I get perfect cookies with chewy centers each time:

Mix the wet ingredients: I whisk together the peanut butter, mashed banana, maple syrup, and vanilla extract until mostly smooth.

Glass bowl with peanut butter mixture being whisked

Add the dry ingredients: Then I stir in the rolled oats, baking soda, and sea salt until everything is well combined.

Spoon mixing oat peanut butter cookie batter

Add mix-ins: I gently fold in the chocolate chips and chopped pecans into the dough until evenly distributed.

Spoon mixing oatmeal chocolate chip cookie batter

Collage of raw and baked oatmeal chocolate chip cookie batter on a parchment paper lined cookie sheet

Serve: I allow the cookies to cool on the baking sheet for about 10 minutes before moving them to a wire rack to cool completely before serving.

Hand holding an oatmeal chocolate chip cookie with a bite out of it

💭 Expert Tips

My #1 Secret Tip for this healthy peanut butter banana oatmeal cookies recipe is to always use a very ripe banana with plenty of brown spots. This adds more natural sweetness, keeps the cookies moist, and creates a softer texture without needing extra sweetener.

Other Tips To Keep In Mind:

Use natural peanut butter that has been stirred well: I always stir my peanut butter really well, as oil that has separated can make the dough inconsistent if it is not mixed back in.
Flatten slightly: These cookies do not spread very much, so I press the tops gently to help them bake more evenly.
Leave space: I leave about 2 inches between each cookie to prevent them from running into each other while they bake and rise.
Cool completely: These cookies continue setting as they cool, which gives them the perfect chewy texture.
Do not overbake: I remove the cookies when the edges are lightly browned, and the centers still look slightly soft.

📖 Variations

These healthy peanut butter banana oatmeal cookies are full of interesting texture and flavor as is, but I have played around with a few variations, which are just as delicious. These are 3 of my favorites:

Double chocolate cookies: I replace 2 tablespoons of the oats with 2 tablespoons of unsweetened cocoa powder and use dairy-free dark chocolate chips for a richer version. My husband loves the extra chocolatey flavor in this one.

Trail mix cookies: When I want a cookie that we can take along on an excursion, I replace the pecans with 1/4 cup pumpkin seeds and 1/2 cup of raisins or dried cranberries. It is better than prepackaged trail mix.

Cinnamon walnut: I add 1 teaspoon of ground cinnamon to the dough and swap the pecans for 1/2 cup chopped walnuts. I love the warm spices in this version, and make it during the fall months.

🍽 Serving Suggestions

These healthy peanut butter banana oatmeal cookies are fantastic on their own as a quick snack, but if you really want to get the most out of them, why not try them with vegan homemade chocolate milk? Or if you prefer your cookies with something warmer, they are great for dunking into an oatmilk honey latte or even protein hot chocolate.

My kids love adding these cookies to ice cream sundaes. Recently, we made a bowl with a few scoops of chocolate banana ice cream, 1 sliced fresh banana, vegan caramel sauce, and topped it with a dollop of vegan whipped cream and a few pieces of vegan caramel popcorn. You might be wondering where the cookies were in all of this? Well, my boys used the cookies as an edible utensil to scoop everything up.

🧊 Storing And ♨️ Reheating

Room temperature: I store these cookies in an airtight container at room temperature for up to 4 days.

Refrigeration: For a slightly longer shelf life, I refrigerate the cookies in a sealed container for up to 1 week.

Freezing: I freeze cooled cookies in a freezer-safe container for up to 3 months.

Reheating: If frozen. I thaw at room temperature, or warm gently in the microwave for a few seconds before serving.

❓Recipe FAQs

Can I use quick oats instead of rolled oats?

Yes, quick oats can work, but the cookies will have a much softer texture and less chew. I would still recommend rolled oats wherever possible for the best overall texture.

Can I freeze the cookie dough?

Yes! I scoop the dough into individual portions and freeze them on a baking tray until solid. Then I transfer the dough balls into a freezer bag and bake straight from frozen, adding 2-3 minutes extra onto the baking time.

Would thick-cut oats work for this recipe?

Yes, they would. But they do create a heartier, chewier cookie since they do not soften as much during baking. If you are using them but want a softer texture, I recommend letting the mixed dough rest for 10 minutes before scooping so the oats have time to absorb more moisture.

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