Is there anything more comforting than the smell of freshly baked cookies wafting through your kitchen? These Peanut Butter Banana Oatmeal Cookies are not only incredibly delicious but also pack a nutritional punch, making them the perfect guilt-free treat. This recipe is particularly trending now as people seek healthier alternatives to traditional sweets, especially during the back-to-school season when quick and easy snacks are essential. Imagine sinking your teeth into a soft, chewy cookie bursting with the nutty flavor of peanut butter, the sweetness of ripe bananas, and the wholesome goodness of oats. This recipe, perfected over years of experimenting, delivers just that – a delightful cookie that’s both satisfying and good for you.

I’ve been baking for over 15 years, and these cookies have become a staple in my household. My experience in developing healthy recipes has allowed me to refine this recipe, ensuring it balances taste and nutrition perfectly. The natural sugars in bananas and the healthy fats in peanut butter create a cookie that’s naturally sweet and satisfying, minimizing the need for refined sugars. Plus, the addition of oats provides fiber and a delightful chewy texture that everyone loves. Let’s dive into making these delightful cookies!
Ingredients for Peanut Butter Banana Oatmeal Cookies
This recipe uses simple, wholesome ingredients that you probably already have in your pantry. Understanding the role of each ingredient will help you create the best possible cookies.
- Ripe Bananas: The riper, the better! Overripe bananas are sweeter and easier to mash, providing natural sweetness and moisture. Bananas contain potassium and fiber, adding a nutritional boost to your cookies. A good substitute would be applesauce.
- Peanut Butter: Opt for natural peanut butter with no added sugar or oil. Natural peanut butter offers a richer flavor and healthier fats. The fats in peanut butter create a tender cookie. You can substitute almond butter or cashew butter for a different flavor profile.
- Rolled Oats: Use old-fashioned rolled oats, not instant oats. Rolled oats provide a chewy texture and add fiber to the cookies. Quick oats will result in a thinner, crispier cookie. Gluten-free oats can be used for a gluten-free version.
- Eggs: Eggs bind the ingredients together and add moisture. They also contribute to the cookies’ structure. You can substitute flax eggs (1 tablespoon flaxseed meal + 3 tablespoons water) for a vegan option.
- Vanilla Extract: A touch of vanilla extract enhances the overall flavor. Use pure vanilla extract for the best taste.
- Cinnamon: Cinnamon adds warmth and spice, complementing the peanut butter and banana flavors. Cinnamon contains antioxidants and has anti-inflammatory properties.
- Baking Soda: Baking soda helps the cookies rise and creates a soft, chewy texture. It reacts with the acidity in the bananas to leaven the cookies.
- Salt: A pinch of salt balances the sweetness and enhances the other flavors.
- Optional Add-ins: Chocolate chips, chopped nuts, dried fruit, or seeds can be added for extra flavor and texture. Consider adding dark chocolate chips for an antioxidant boost.
Expert Tips for the Best Cookies
These tips are based on my experience of baking countless batches of these cookies. They will help you avoid common pitfalls and create perfect cookies every time.
- Don’t Overmix the Batter: Overmixing develops gluten, which can result in tough cookies. Mix the wet and dry ingredients until just combined.
- Use a Cookie Scoop: A cookie scoop ensures uniform cookies that bake evenly. I use a medium-sized cookie scoop for this recipe.
- Chill the Dough (Optional): Chilling the dough for 30 minutes can prevent the cookies from spreading too much during baking. This step is especially helpful in warmer months.
- Adjust Baking Time: Baking times may vary depending on your oven. Start checking the cookies after 8 minutes and bake until the edges are golden brown and the centers are set.
- Don’t Overbake: Overbaked cookies will be dry and crumbly. The cookies should still be slightly soft in the center when you remove them from the oven. They will continue to set as they cool.
- Cool on Wire Rack: Cooling the cookies on a wire rack allows air to circulate, preventing them from becoming soggy.
- Experiment with Flavors: Feel free to add other spices like nutmeg or cardamom. You can also use different types of nut butter or dried fruit.
- Use High-Quality Ingredients: The quality of your ingredients will impact the flavor of your cookies. Use ripe bananas, natural peanut butter, and pure vanilla extract for the best results.
- Make it a fun activity with kids: Let your kids choose the mix-ins like chocolate chips or sprinkles.
FAQ About Peanut Butter Banana Oatmeal Cookies
Here are some frequently asked questions about this recipe, along with detailed answers based on my baking experience.
Can I make these cookies vegan?
Yes, you can easily make these cookies vegan by substituting the egg with a flax egg. Simply mix 1 tablespoon of flaxseed meal with 3 tablespoons of water and let it sit for 5 minutes to thicken before adding it to the batter.
Can I use instant oats instead of rolled oats?
I don’t recommend using instant oats. They will result in a thinner, crispier cookie. Rolled oats provide the best chewy texture.
How do I store these cookies?
Store the cookies in an airtight container at room temperature for up to 3 days or in the refrigerator for up to a week. You can also freeze them for longer storage.
Can I freeze these cookies?
Yes, these cookies freeze well. Place them in a single layer on a baking sheet and freeze until solid. Then, transfer them to a freezer bag or container. They can be frozen for up to 2 months.
Can I reduce the sugar in this recipe?
The bananas provide natural sweetness, so you can reduce the amount of added sugar if you prefer. However, keep in mind that sugar also contributes to the cookies’ texture.
Are these cookies gluten-free?
To make these cookies gluten-free, use certified gluten-free rolled oats.
Why are my cookies flat?
Flat cookies can be caused by several factors, including using too much fat, not chilling the dough, or using old baking soda. Make sure to use the correct measurements and fresh ingredients.

Bake and Enjoy!
These Peanut Butter Banana Oatmeal Cookies are a delightful and healthy treat that you can feel good about sharing with your family and friends. They are easy to make, packed with wholesome ingredients, and incredibly delicious. Whether you’re looking for a quick snack, a healthy dessert, or a fun baking project, this recipe is sure to please.
PrintEasy Peanut Butter Banana Cookies
Easy Peanut Butter Banana Oatmeal Cookies Quick healthy delicious Perfect for breakfast or snack Try it today
- Prep Time: 15 minutes
- Cook Time: 10 minutes
- Total Time: 25 minutes
- Yield: 12 Cookies
- Category: Cookie
- Cuisine: American
Ingredients
- 2 ripe bananas, mashed
- 1/2 cup natural peanut butter
- 1 1/2 cups rolled oats
- 1 large egg
- 1 teaspoon vanilla extract
- 1/2 teaspoon cinnamon
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1/2 cup optional add-ins (chocolate chips, chopped nuts, dried fruit)
Instructions
- Preheat your oven to 350°F (175°C).
- In a large bowl, mash the ripe bananas.
- Add the peanut butter, rolled oats, egg, vanilla extract, cinnamon, baking soda, and salt to the bowl.
- Mix all ingredients until just combined. Be careful not to overmix.
- Stir in any optional add-ins, such as chocolate chips or chopped nuts.
- Use a cookie scoop to drop rounded tablespoons of dough onto a baking sheet lined with parchment paper.
- Bake for 8-10 minutes, or until the edges are golden brown and the centers are set. Start checking the cookies after 8 minutes. Don’t overbake.
- Let the cookies cool on the baking sheet for a few minutes before transferring them to a wire rack to cool completely.
- Enjoy!
Notes
Enjoy these incredibly delicious and nutritious Peanut Butter Banana Oatmeal Cookies – a guilt-free treat perfect for a quick snack or healthy dessert. Easy to make with wholesome ingredients like ripe bananas, natural peanut butter, and rolled oats.


