These banana oatmeal cookies take those spotty bananas and transform them into something you’ll actually fight over. Chewy centers, crispy edges, zero refined sugar. This recipe turns spotty bananas into the cookie you’ll reach for morning, noon, and midnight.
You know that moment when you’re staring at three overripe bananas and feel guilty about the inevitable trash can?
This is the opposite of that guilt. No flour, no refined sugar, just oats, banana, and whatever chocolate situation you’ve got hiding in the pantry.
They’re chewy in the center, slightly crisp at the edges, and taste like the lovechild of banana bread and an oatmeal cookie.
And the best part is they come together in one bowl in less time than it takes your oven to preheat.
What Makes These Different from Regular Cookies
Most banana oatmeal cookie recipes try too hard to be virtuous and end up tasting like sweetened cardboard.
These don’t pretend to be something they’re not. The bananas do the heavy lifting for moisture and sweetness, but there’s enough butter and optional maple syrup to make them taste like an actual treat. The texture comes from quick oats, which break down just enough to bind everything without turning gummy. You’re not making energy balls here. You’re making cookies that happen to have some nutritional upside.
The biggest mistake people make? Undermixing the batter or using old-fashioned oats instead of quick oats. We have found that the old-fashioned oats stay too intact and the cookies fall apart. Quick oats give you structure and chew without turning into paste.
They work as a breakfast cookie. If you go heavy on the chocolate and add the maple syrup, they’re full dessert mode. Either way, they deliver.
The dough should taste like something you’d want to eat raw. If it doesn’t, adjust before baking.
Simple Banana Oatmeal Cookies Perfect for Snacking
As an Amazon Associate I earn from qualifying purchases.
Kitchen Essentials
Ingredients
- 2 Bananas mashed
- 2 Tablespoons Butter melted
- 1 Large Egg
- 1 Teaspoon Vanilla Extract
- 1 3/4 Cups Quick Oats
- 1 Teaspoon Cinnamon
- 1 Pinch Sea Salt
- 1/4 Cup Maple Syrup for sweetness
- 1/2 Cup Chocolate Chips or chunks, we used 2 broken up candy bars
Instructions
- Preheat your oven to 350°F.
- In a mixing bowl, mash the bananas until mostly smooth.2 Bananas
- Melt the butter and stir it into the bananas.2 Tablespoons Butter
- Add the maple syrup, egg, and vanilla extract, mixing until combined.1 Large Egg, 1 Teaspoon Vanilla Extract, 1/4 Cup Maple Syrup
- Stir in the oats, cinnamon, and sea salt.1 3/4 Cups Quick Oats, 1 Teaspoon Cinnamon, 1 Pinch Sea Salt
- Fold in the chocolate chips or chunks.1/2 Cup Chocolate Chips
- Scoop dough onto a cookie sheet using a teaspoon or cookie scoop.
- Bake for about 15 minutes, or until set and lightly golden.
- Let them cool slightly before serving—they firm up a bit as they sit.
Your Own Private Notes
Notes
Recipe Tips (From Our Kitchen)
Here are a few things we’ve learned after making these again and again:- Use really ripe bananas. The darker and spottier, the better the flavor and sweetness.
- Don’t overmix once the oats go in. Just stir until combined to keep the texture nice.
- They won’t spread much. If you want flatter cookies, gently press them down before baking.
- Chocolate makes them feel like dessert. But they’re just as good without if you want something simpler.
- Let them cool. They’re soft right out of the oven but set up nicely after a few minutes.
Nutrition
Tips from the Pros
If you want to level up from good to bakery-quality, these tweaks make the difference.
- Toast your oats first. Spread them on a baking sheet and toast at 350°F for about five minutes before mixing the dough. It adds a nutty depth that makes people ask what your secret ingredient is.
- Freeze the dough. Scoop the cookies, freeze them on a tray until solid, then transfer to a freezer bag. Bake straight from frozen and add two extra minutes to the baking time. You’ll always have fresh-baked cookies on demand.
- Use a mix of chocolate. Half dark, half milk gives you complexity without being too intense. Throw in some chopped nuts or dried fruit if you want texture contrast.
- Don’t overmix once the oats go in. The more you stir, the more the oats break down and release starch, which makes the cookies gummy instead of chewy.
- Press a few extra chocolate chips into the tops right before baking. It’s a visual thing, but it works. People eat with their eyes first, and a cookie that looks loaded with chocolate always wins.
These small moves turn a simple recipe into something that feels considered and special.
Variations and Swaps
This base recipe is flexible enough to go in about a dozen different directions.
If you want them less sweet, skip the maple syrup entirely and use dark chocolate or cacao nibs instead of milk chocolate. The bananas provide enough natural sweetness if they’re ripe enough.
If you want more protein, swap two tablespoons of oats for protein powder or add a tablespoon of almond butter to the wet ingredients. It changes the texture slightly but keeps them filling.
If you’re avoiding eggs, use a flax egg (one tablespoon ground flaxseed mixed with three tablespoons water, let it sit for five minutes). The cookies will be a little more fragile but still hold together.
For a tropical version, swap the chocolate for shredded coconut and chopped macadamia nuts. Add a pinch of cardamom to the cinnamon for extra warmth.
If you want them crunchier, bake them for an extra three to four minutes and let them cool completely on the pan. They’ll firm up into something closer to a biscotti texture.
No matter which direction you take them, the core ratio of banana to oats stays the same, so they’ll still work.
Storage Tips
These cookies keep surprisingly well, but the method matters.
At room temperature, they’ll last about two days in an airtight container. After that, they start to dry out because there’s no refined sugar or preservatives to hold moisture.
In the fridge, they’ll stay fresh for up to a week. Store them in a sealed container or zip-top bag. The texture firms up when cold, so let them sit at room temperature for a few minutes before eating, or warm them in the microwave for 10 seconds.
In the freezer, they’ll keep for up to three months. Layer them between parchment paper so they don’t stick together. To reheat, microwave for 20 seconds or bake at 300°F for five minutes. They come back tasting fresh-baked.
Don’t leave them uncovered or they’ll absorb fridge smells and turn rubbery. Treat them like banana bread and they’ll stay good.
These cookies don’t need to be complicated to be crave-worthy. They just need ripe bananas, quick oats, and a little bit of chocolate to make them worth reaching for again and again.
The best part is you probably have everything you need sitting on your counter right now.
A great way to use ripe bananas.