These 2-Ingredient Oat Cookies are soft, easy cookies perfect for using your leftover ripe bananas. They are great for kids’ lunchboxes, or a tasty no-sugar-added treat.

I used to make these cookies for my toddlers, when I wasn’t offering them any sugar. Since then, I make this recipe all the time to use my leftover ripe bananas and enjoy a treat that is healthy, no sugar added, and filling. It’s a soft chewy cookie perfect to enjoy something sweet without adding any sugar.
Ingredients and Substitutions
It’s in the name, you only need 2 ingredients for this recipe, but you can incorporate many add-ins for different flavors. Here’s how to pick them.
- Mashed Banana – This is the natural binder and sweetener, giving the cookies their soft, chewy texture. Use very ripe bananas (with black spots) for maximum sweetness and moisture. If you desire a different flavor profile or less banana taste, try blending in a bit of unsweetened applesauce, though the signature banana flavor will be less pronounced.
- Quick Oats – Oats provide structure, fiber, and a hearty texture that balances the moisture of the banana. You can pulse old-fashioned rolled oats a few times in a food processor to mimic quick oats; using unprocessed rolled oats will yield a slightly thicker, more fragile cookie.
Optional Flavor Additions:
- Dairy-Free Dark Chocolate Chips – They bring pockets of chocolatey goodness and a slight crunch. They can be substituted with dried raisins or cranberries for a different texture and flavor burst.
- Cinnamon – For a slightly spicy fall flavor. If you prefer, you can swap with a dash of almond extract.
- Vanilla Extract – For a delicious sweet taste.
- Coconut Sugar – For a caramel-like sweetness without refined sugar. You can adjust or omit this if your bananas are very ripe and naturally sweet.
- Shredded Carrots – If you like the flavors of carrot cakes, 1/3 cup of shredded carrots and some walnuts bring delicious flavors.
How to Make 2-Ingredient Oat Cookies
This recipe is one of the easiest cookie recipes I’ve ever made. Here’s how to whip them up in pictures.
Mash the bananas in a bowl and measure the quantity needed.
Pour the quick oats and stir the texture until well mixed.
Form 12 cookie dough balls on a baking sheet lined with parchment paper.
Flatten the cookies and bake them for 12 minutes at 350 °F (180 °C).
Carine’s Baking Tips
I have a few more tips to help you make the very best cookies.
- Monitor Dough Consistency: If the mixture is too wet after combining, add a little extra quick oats gradually; if it’s too dry, a splash of mashed banana or water can help.
- Gentle Mixing: Stir in any optional ingredients (cinnamon, vanilla, chocolate chips) gently to maintain the soft, chewy consistency without overworking the dough.
- Adjust Thickness for Texture: If you prefer a thicker, chewier cookie, roll the dough out a bit less; for a crisper edge, flatten the cookies a bit more.
- Cooling is Key: Let the cookies cool on a rack for at least 5 minutes after baking; this helps them firm up while retaining their soft, chewy center.
- Experiment with Mix-Ins: For a variety of flavors and textures, try adding in a mix of optional ingredients like chocolate chips, dried fruit, or even a sprinkle of shredded coconut.
- Use Overripe Bananas: The riper the bananas, the sweeter and more flavorful your cookies will be – perfect for a naturally sweet treat without added sugars.
More 2-Ingredient Cookie Recipes
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2-Ingredient Banana Oat Cookies
Ingredients
- ¾ cup Mashed Banana - ripe, black spots on the skin, mashed (note 1)
- 1 ½ cup Quick Oats - (note 2)
Optional for flavors
- 2 tablespoons Dairy-Free Dark Chocolate Chips - or dried raisins/cranberries
- ½ teaspoon Cinnamon
- 1 teaspoon Vanilla Extract
- 2 tablespoons Coconut Sugar - for sweetness
Instructions
- Preheat the oven to 350 °F (180 °C). Line a cookie sheet with parchment paper. Lightly oil the paper with cooking oil spray. Set aside.
- In a mixing bowl, mash the ripe bananas – measure the amount needed carefully. If you add too much banana the cookies are too soft.
- Stir in the quick oats and the optional ingredients if used – I like cinnamon, and vanilla extract to keep it simple. Stir until it forms a wet dough that holds together if pressed in a cookie dough scoop. If too wet, add a bit more quick oats.
- Scoop one tablespoon of batter firmly in a cookie dough scoop, and release it on the prepared cookie sheet, leaving them a thumb apart. Flatten the top with the back of a fork, you can also keep them thicker but it takes a bit longer to bake them.
- Bake the cookies for 12 minutes at 350 °F (180 °C) until golden brown on the sides.
- Let them cool down on a cookie rack for 5 minutes, then transfer them to a cooling rack.
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