These chewy oatmeal chocolate chip cookies combine hearty oats, rich brown sugar, melted butter, and plenty of semisweet chocolate chips. The edges bake up lightly golden, while the centers stay soft and chewy.
Melted butter makes the dough quick and easy to prepare—there is no need to wait for butter to soften. Brown sugar gives the cookies a deeper caramel flavor and helps them retain moisture, while finely ground or quick-cooking oats create a more uniform texture than thick old-fashioned oats.
This is an easy cookie recipe for family baking, lunchboxes, holiday cookie trays, or whenever you want a homemade treat with minimal preparation.
Why You’ll Love These Oatmeal Chocolate Chip Cookies
These cookies offer the best parts of two familiar favorites: the comforting texture of oatmeal cookies and the rich chocolate flavor of classic chocolate chip cookies.
Here are a few reasons to make them:
- Prepared with simple pantry ingredients
- Made with melted butter
- No stand mixer required
- Soft and chewy in the center
- Lightly crisp around the edges
- Filled with chocolate chips
- Ready in less than 40 minutes
- Easy to freeze
- Perfect for lunchboxes and cookie trays
The dough can be mixed by hand with a whisk and sturdy spatula, although a hand mixer can also be used.
Bake a batch of these oatmeal chocolate chip cookies whenever you need an easy homemade treat.

What Type of Oats Should I Use?
Quick-cooking oats work particularly well because their smaller, thinner flakes blend evenly into the dough and give the cookies a consistent texture.
You can also pulse old-fashioned rolled oats in a food processor or blender several times to break them into smaller pieces. Do not grind them into flour—the mixture should still contain visible oat flakes.
Regular old-fashioned oats can be used without grinding, but the cookies will have a thicker, more rustic texture. Do not use instant oatmeal packets because they often contain added sugar, flavorings, and other ingredients.
Steel-cut oats are not suitable for this recipe because they will remain too firm.
Why Use Melted Butter?
Melted butter makes the cookies rich and chewy and eliminates the need to cream softened butter. Allow it to cool slightly before combining it with the brown sugar so it does not begin cooking the egg.
Whisk the melted butter and sugar until the mixture becomes smooth and glossy. It will not become light and fluffy like traditionally creamed butter, and that is completely normal.
If the butter is very hot, let it stand for 10–15 minutes before using it.
Why Brown Sugar Is Important
Brown sugar contains molasses, which gives oatmeal chocolate chip cookies a deeper caramel flavor and helps the centers remain soft.
Light brown sugar produces a mild caramel taste. Dark brown sugar can also be used and will give the cookies a stronger molasses flavor and slightly darker color.
Measure brown sugar by packing it firmly into the measuring cup and leveling the top. For the most consistent results, weigh it with a kitchen scale.

How to Make Chewy Oatmeal Chocolate Chip Cookies
Begin by whisking together the all-purpose flour, quick oats, baking soda, and salt. Mixing the dry ingredients separately distributes the baking soda evenly and helps prevent salty or bitter spots in the finished cookies.
In another bowl, whisk the melted butter and brown sugar until smooth. Add the egg and vanilla and mix until the batter is glossy and evenly combined.
Gradually add the dry mixture to the wet ingredients. Stir only until no dry patches of flour remain. Fold in the chocolate chips with a spatula.
Allow the dough to rest for approximately 10 minutes. This gives the oats time to absorb some of the moisture and makes the dough easier to scoop.
Portion the dough into balls using approximately 2 tablespoons for each cookie. Arrange them at least 2 inches apart because they will spread in the oven.
Bake until the edges are golden but the centers still look slightly soft. The cookies will continue to set on the hot baking sheet as they cool.

Chewy Oatmeal Chocolate Chip Cookies
Ingredients
Method
- Preheat the oven to 325°F. Line two large baking sheets with parchment paper.
- In a medium bowl, whisk together the all-purpose flour, quick-cooking oats, baking soda, and salt.
- In a separate large bowl, whisk the melted butter and brown sugar for 1–2 minutes, until smooth and glossy.
- Add the egg and vanilla extract. Whisk until completely incorporated.
- Gradually add the oat mixture to the wet ingredients. Mix on low speed or stir with a spatula just until no dry flour remains.
- Fold in the chocolate chips with a spatula.
- Allow the dough to rest at room temperature for 10 minutes so the oats can absorb some of the moisture. If the dough is still very soft, refrigerate it for 20 minutes.
- Scoop approximately 2 tablespoons of dough for each cookie and gently roll into balls.
- Arrange the dough balls on the prepared baking sheets, leaving approximately 2 inches between them.
- Bake one sheet at a time on the center rack for 14–18 minutes, until the edges are golden and the centers still look slightly soft. Rotate the baking sheet halfway through.
- Allow the cookies to cool on the baking sheet for 5 minutes.
- Transfer them to a wire rack and cool completely.

Notes
Tips for the Best Oatmeal Cookies
Measure the flour carefully
Too much flour can make the cookies dry and prevent them from spreading. Spoon the flour into the measuring cup and level it with a knife rather than scooping directly from the bag.
Let the melted butter cool
Hot butter can make the dough too loose and may affect the egg. It should be liquid but no longer steaming.
Do not overmix the dough
Once the flour is added, mix only until combined. Overmixing can make the cookies tougher.
Let the dough rest
A short 10-minute rest allows the oats to absorb moisture. If the dough still feels too soft to scoop, refrigerate it for 20–30 minutes.
Leave enough space between cookies
Place the dough balls approximately 2 inches apart. Bake in batches rather than crowding the pan.
Do not overbake
Remove the cookies when the edges are golden and the centers still look soft. Waiting until the entire cookie looks firm can result in dry cookies after cooling.
Choosing the Chocolate Chips
Semisweet chocolate chips provide a good balance of sweetness and chocolate flavor. Milk chocolate chips will create a sweeter cookie, while dark or bittersweet chocolate chips give a more intense flavor.
You can also use chopped chocolate. Irregular pieces create pockets of melted chocolate throughout the cookies and give them a bakery-style appearance.
For a combination of flavors, use half semisweet and half dark chocolate chips.

Flavor Variations
This recipe is easy to customize.
Try adding:
- ½ teaspoon ground cinnamon
- ½ cup chopped walnuts or pecans
- ½ cup dried cranberries or raisins
- ½ cup shredded coconut
- White chocolate chips
- Peanut butter chips
- Chopped dark chocolate
- A small pinch of flaky sea salt on top
If adding nuts or dried fruit, replace part of the chocolate chips rather than adding a large amount of additional ingredients. Too many mix-ins can prevent the dough from holding together.
Measuring flour accurately is important for perfectly chewy cookies, so follow this helpful guide to measuring flour correctly from King Arthur Baking.
Can I Make the Dough Ahead of Time?
Yes. Cover the prepared dough and refrigerate it for up to 48 hours. Chilled dough will produce slightly thicker cookies.
Let refrigerated dough stand at room temperature for approximately 10 minutes if it becomes too firm to scoop.
You can also portion the dough into balls before refrigerating. Arrange them in a covered container with parchment paper between the layers.
These oatmeal chocolate chip cookies stay soft and chewy even after they have cooled.
How to Freeze Cookie Dough
Place the portioned dough balls on a parchment-lined tray and freeze until firm. Transfer them to a freezer-safe bag or container and freeze for up to three months.
Bake the cookies directly from frozen, adding approximately 2–3 minutes to the baking time. There is no need to thaw them first.
Label the container with the oven temperature and baking time so the frozen dough is easy to use later.
How to Store Oatmeal Chocolate Chip Cookies
Store completely cooled cookies in an airtight container at room temperature for up to five days.
To help them remain soft, place a small piece of bread in the container. The cookies will absorb moisture from the bread, while the bread gradually becomes dry.
Baked cookies can also be frozen for up to three months. Allow them to cool completely, place parchment between the layers, and store them in a freezer-safe container.
Frequently Asked Questions
Can I use old-fashioned rolled oats?
Yes. The cookies will have a more noticeable oat texture. For a finer texture, pulse the rolled oats several times in a blender or food processor before measuring.

Can I use baking powder instead of baking soda?
Baking soda helps the cookies spread and brown and works well with brown sugar. Baking powder will produce a puffier, more cake-like cookie, so it is not the preferred substitution in this recipe.
Why did my cookies spread too much?
The melted butter may have been too warm, or the dough may have needed more resting or chilling time. Refrigerate the remaining dough for 20–30 minutes before baking the next batch.
Why are my cookies dry?
They may have been baked too long or the flour may have been overmeasured. Remove the cookies while the centers still look slightly soft.
For the best oatmeal chocolate chip cookies, avoid adding too much flour or overbaking the dough.
Can I reduce the amount of chocolate?
Yes. Use ¾ cup of chocolate chips for a cookie with more noticeable oat flavor.
Can I double the recipe?
Yes. Double every ingredient and mix the dough in a sufficiently large bowl. Bake the cookies in batches so the baking sheets are not overcrowded.
More Cookie Recipes
Looking for more homemade treats? Browse all of my easy cookie recipes for more holiday baking ideas, family favorites, and everyday desserts.
If you love homemade cookies, be sure to try these buttery Almond Jam Ribbon Cookies filled with a sweet layer of fruit jam.
