Easy 3-Ingredient Oatmeal Cookies

Nothing beats the comforting aroma of freshly baked cookies wafting through your kitchen, especially when they’re as easy to make as these delightful treats. Our focus recipe today only requires three simple ingredients to create a delicious batch of cookies that will satisfy your sweet cravings and provide a delightful snack option for any occasion.
Growing up, my grandma and I would spend countless afternoons in the kitchen, bonding over baking. Her magical three-ingredient cookie recipe was our go-to, especially when unexpected guests arrived. I remember feeling amazed at how effortlessly she turned just a handful of pantry staples into something so special and delicious. Carrying on this tradition today, these cookies still bring back warm memories and cozy nostalgia.
Why You’ll Love This Recipe
This recipe is a gem for several reasons. Firstly, it’s incredibly straightforward, requiring minimal effort and time, making it perfect for last-minute baking. Additionally, with just three ingredients, it’s budget-friendly while still yielding a delicious treat. Plus, these cookies offer a chewy yet slightly crisp texture that every cookie lover will appreciate. The combination of oats, bananas, and a touch of chocolate makes them not only tasty but also nutritionally satisfying, supporting a healthier lifestyle without sacrificing flavor.
Ingredients Notes
The beauty of this recipe lies in its simplicity. You’ll only need ripe bananas, which provide natural sweetness and moisture. Opt for old-fashioned rolled oats to give these cookies their hearty texture. For the final ingredient, choose either chocolate chips for a classic touch or replace them with nuts or raisins for a different flavor profile. If you’re missing one of these ingredients, check out local grocery stores—ripe bananas and rolled oats are generally easy to find, and chocolate chips are a pantry staple for many bakers.
Recipe Steps
Step 1
Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper to ensure easy cleanup.
Step 2
In a large mixing bowl, mash two ripe bananas until smooth. The riper the bananas, the sweeter your cookies will be.
Step 3
Add 1 cup of rolled oats to the mashed bananas, stirring until fully combined. Ensure the oats are evenly distributed for consistent texture.
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Step 4
Fold in 1/4 cup of chocolate chips, ensuring they are well dispersed throughout the dough. You can substitute with nuts or dried fruit if desired.
Step 5
Spoon dollops of the batter onto the prepared baking sheet, leaving some space between each cookie. Bake for 15 minutes or until the edges are golden brown. Allow them to cool slightly before serving.
Storage Options
To maintain their freshness, store these cookies in an airtight container at room temperature for up to three days. For longer storage, freeze the cookies by placing them on a baking sheet until solid, and then transfer them to a freezer-safe bag for up to three months. Reheat in the oven or enjoy straight from the freezer as a chilled treat.
Variations & Substitutions
For a gluten-free option, ensure your oats are certified gluten-free. To cater to vegan preferences, opt for dairy-free chocolate chips. If you prefer a nutty twist, add a tablespoon of peanut butter to the batter, or sprinkle in walnuts for additional crunch.
Serving Suggestions
These cookies make a wonderful breakfast treat with a hot cup of coffee or tea. They are also perfect for an afternoon snack, satisfying your sweet tooth without the guilt. Pack them along for picnics, road trips, or school lunches, offering a homemade touch to any occasion.
Frequently Asked Questions
Can I use quick oats instead of rolled oats? Yes, quick oats can be used, though they will yield a softer texture. Rolled oats are recommended for their chewy consistency, but if you prefer a slightly smoother cookie, quick oats are an acceptable substitute.
What can I add to these cookies for extra flavor? Feel free to experiment with various add-ins like shredded coconut, nuts, or even a sprinkle of cinnamon or nutmeg. These additions can elevate the cookies’ flavor and provide extra texture and interest without complicating the recipe.
How ripe should the bananas be for this recipe? The bananas should be quite ripe, with lots of brown spots. This level of ripeness ensures they are sweet enough to complement the other ingredients and easy to mash, helping to bind the cookies together effectively.

Easy 3-Ingredient Oatmeal Cookies
Ingredients
Main Ingredients
- 1.5 cups rolled oats Old-fashioned or quick oats
- 1 cup mashed ripe bananas Approximately 2 large bananas
- 0.5 cup chocolate chips Semisweet or milk chocolate
Instructions
Preparation Steps
- Preheat the oven to 350°F (175°C) and line a baking sheet with parchment paper.
- In a large bowl, mix together the rolled oats and mashed bananas until well combined.
- Fold in the chocolate chips.
- Scoop tablespoon-sized portions onto the prepared baking sheet.
- Bake for 12-15 minutes, or until the cookies are golden and set.
- Allow to cool on a wire rack before serving.