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3-Ingredient Oatmeal Cookies

Easy 3-Ingredient Oatmeal Cookies that take right around 15 minutes to make from start to finish! This simple healthier cookie recipe is vegan, gluten-free, flourless, dairy-free and contains no added sweetener.

3-Ingredient Oatmeal Cookies with chocolate chips - a healthier cookie recipe with no added sweetener. Vegan, gluten-free, dairy-free

Have you tried one of my banana-sweetened treats yet?

My 3-Ingredient Chocolate Banana Cookies, 4-Ingredient Healthy Samoa Cookies, Healthy Apple Muffins and 4-Ingredient Flourless Healthy Brownies and now this recipe for 3-Ingredient Oatmeal Cookies all have one thing in common.

They are sweetened entirely with bananas!

The way I see it, this is an excellent baking project for kids as there are so few ingredients and minimal cleanup. Also an awesome recipe for those of us who simply love a healthier sweet treat.

Easy 3-Ingredient Oatmeal Cookies that take right around 15 minutes to make from start to finish! This simple healthier cookie recipe is vegan, gluten-free, flourless, dairy-free and contains no added sweetener.

I’m constantly looking for ways to get my sweet fix without going overboard on sugar, and I’ve found fruit, certain vegetables (root vegetables and winter squash in particular), and various ingredients like almond flour and unsweetened coconut to be useful in generating sweet flavor without the need for excess sugar.

So what we’re making here is a refined sugar-free, egg-free, flourless, gluten-free vegan cookie using three simple ingredients.

Of course, we can easily use more than three ingredients in order to change up the flavor profile and make them even tastier (more on that later).

At a minimum, all you need is ripe banana, almond butter (or peanut butter) and rolled oats.

Let’s discuss these ingredients in detail!

Easy 3-Ingredient Vegan Oatmeal Cookies - gluten-free, refined sugar-free, dairy-free, quick and easy to make!

Ingredients for 3-Ingredient Oatmeal Cookies:

Ripe Bananas: Be sure you use very ripe bananas that have plenty of brown spots for the best result. The riper the banana, the sweeter it will be, which will ensure these cookies turn out nice and tasty.

As previously mentioned, the banana serves as the sweetener of the cookies and also provides moisture. Can you taste the banana? Yes, absolutely! The banana shines through very well, which is great for those of us who love them. If you don’t like bananas, you won’t like these cookies!

Almond Butter or Peanut Butter: Unsweetened almond butter or peanut butter is the glue that holds these cookies together, eliminating the need for eggs or a leavening agent. It also adds delicious flavor! 

If you’re fine with the added sugar, use sweetened peanut butter or almond butter to ramp up the sweetness of the cookies. If you prefer keeping the cookies refined sugar-free, go with an unsweetened nut butter.

Rolled Oats: Rolled oats give that amazing earthy nutty flavor to the cookies with that oaty texture. I use gluten-free oats, but you can use regular oats if you aren’t concerned about the gluten content.

Optional Additions: 

  • Chocolate Chips
  • Vanilla Extract
  • Ground Cinnamon
  • Sea Salt

These additions, while certainly not mandatory, level up the deliciousness of the cookies quite a bit! I personally like adding them all. 

The chocolate chips provide delectable little goo pockets, the vanilla extract provides nice warming flavor, and the ground cinnamon gives the cookies a richness with that iconic oatmeal cookie vibe. Sea salt enhances all of the flavors and makes the cookies taste sweeter without the need for additional sweetener.

If you’re looking to keep the cookies low in sugar, skip the chocolate chips!

3-Ingredient Vegan Oatmeal Cookies - flourless, gluten-free, oil-free, dairy-free, egg-free, no added sweetener

Let’s bake a batch!

How to Make 3-Ingredient Oatmeal Cookies:

Preheat the oven to 350 degrees Fahrenheit and line a large baking sheet with parchment paper (or spray it with cooking oil).

Mash the banana into a mixing bowl until most of the chunks are out (it can be a little chunky just not overly chunky).

Mash the bananas and mix in the peanut butter and oats

Add the peanut butter and oats and mix everything together until a sticky dough forms.

If you’d like, add chocolate chips.

Add chocolate chips to the oatmeal cookies

Easy 3-ingredient chocolate chip oatmeal cookie dough.

Use a spoon to drop the cookie dough onto the baking sheet, creating any size of cookie you like (note very small cookies will require less bake time). The cookies won’t spread, so form them into the shape you want them to be in – I stick with round mounds.

Drop spoonfuls of cookie dough on a baking sheet

Bake the cookies for 10 to 12 minutes, or until they are slightly golden-brown around the edges.

Allow the cookies to cool for at least 15 minutes before using a spatula to remove them from the baking sheet to serve. 

3-Ingredient Oatmeal Cookies with chocolate chips - gluten-free, egg-free, refined sugar-free, healthy

That’s it! A 3-ingredient cookie recipe that anyone can make and everyone can enjoy. Bake them for a cleaner option any time the desire strikes!

More Delicious Gluten-Free Cookie Recipes:

Banana + oatmeal + almond butter OH MY!

If you make these cookies, feel free to share a photo on Instagram and tag @The.Roasted.Root!

3-Ingredient Oatmeal Cookies with chocolate chips - a healthier cookie recipe with no added sweetener. Vegan, gluten-free, dairy-free

3-Ingredient Oatmeal Cookies

Yield: 10 Large or 16 Small Cookies
Prep Time: 5 minutes
Cook Time: 10 minutes
Total Time: 15 minutes

A 3-ingredient cookie recipe that anyone can make and everyone can enjoy. Bake them for a cleaner option any time the desire strikes!

Ingredients

  • 3 large ripe bananas, mashed (1 ½ cups)
  • ½ cup almond butter or peanut butter*
  • 2 cups rolled oats**

Optional Additions:

  • ⅓ to ½ cup chocolate chips
  • 1 tsp vanilla extract
  • 1 pinch sea salt

Instructions

  1. Preheat the oven to 350 degrees Fahrenheit and line a large baking sheet with parchment paper (or spray it with cooking oil).
  2. Mash the banana into a mixing bowl until most of the chunks are out (it can be a little chunky just not overly chunky).
  3. Add the peanut butter and oats and mix everything together until a sticky dough forms.
  4. Use a spoon to drop the cookie dough onto the baking sheet, creating any size of cookie you like (note very small cookies will require less bake time). The cookies won’t spread, so form them into the shape you want them to be in - I stick with round mounds.
  5. Bake the cookies for 10 to 12 minutes, or until they are slightly golden-brown around the edges.
  6. Allow the cookies to cool for at least 15 minutes before using a spatula to remove them from the baking sheet to serve.

Notes

*For sweeter cookies, use sweetened nut butter. For refined sugar-free cookies, go with an unsweetened nut butter.

**I use gluten-free oats

Nutrition Information
Yield 10 Serving Size 1 of 10
Amount Per Serving Calories 138Total Fat 8gCarbohydrates 16gNet Carbohydrates 13gFiber 3gSugar 5gProtein 4g
3-Ingredient Vegan Oatmeal Cookies - an egg-free, dairy-free, refined sugar-free healthier cookie recipe that takes 15 minutes to make!

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Alicia

Thursday 18th of November 2021

Thanks for this delicious recipe. I'm a celiac and always looking for healthy recipes. This one is not only healthy it's delicious. I added cinnamon and raisins to mine. The best part, no guilty feelings. So gooood! I'm so happy I found this blog.

Alicia

Thursday 18th of November 2021

Thank you for this recipe. I'm a celiac and always looking for good and healthy recipes. I just finished baking this delicious cookies and I added raisins and cinnamon to mine. So simple and so goooood! Best part I don't have o feel guilty after eating them.

Julia

Thursday 18th of November 2021

I'm so happy you enjoy them, Alicia! Thanks so much for the sweet note! :D xoxoxo

Hollie

Wednesday 17th of November 2021

Hello, Thank you for this recipe! Question-do you use quick oats or old fashioned? I wasnt sure if that would make a difference. Cant wait to make these with my 5 year old 🙂

Julia

Wednesday 17th of November 2021

Hi Hollie! I used old fashioned rolled oats. I think quick oats will work just fine too, but I like the texture of the rolled oats better for recipes like this :) Hope you enjoy!! xoxo

Leny viterbo

Tuesday 16th of November 2021

Can you bake your 3 ingredients oats in microwave?

Julia

Tuesday 16th of November 2021

Hi Lenny,

I've never tested it in the microwave but I'm betting the cookies wouldn't hold together. Hope this helps! xo

DANILYN ALMOGUERA APALLA

Tuesday 16th of November 2021

Thank for sharing this recipe god bless and more power

Julia

Tuesday 16th of November 2021

xoxoxox

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