These chewy chocolate chip oatmeal cookies are the perfect blend of sweetness and texture. With a delightful combination of butter, brown sugar, and granulated sugar, these cookies offer a rich and satisfying flavor. The addition of old-fashioned oats gives them a hearty texture, while the chocolate chips provide bursts of sweetness in every bite.
Most of the ingredients in this recipe are common pantry staples. However, you may need to ensure you have old-fashioned oats and chocolate chips on hand, as these might not be in every household. When visiting the supermarket, look for old-fashioned oats in the cereal or baking aisle and chocolate chips in the baking section.

Ingredients For Chewy Chocolate Chip Oatmeal Cookies
Butter: Provides richness and moisture to the cookies.
Brown sugar: Adds a deep, caramel-like sweetness and helps keep the cookies chewy.
Granulated sugar: Adds sweetness and helps with the cookie's structure.
Eggs: Bind the ingredients together and add moisture.
Vanilla extract: Enhances the flavor of the cookies.
All-purpose flour: Forms the base of the cookie dough.
Baking soda: Helps the cookies rise and become fluffy.
Salt: Balances the sweetness and enhances the overall flavor.
Old-fashioned oats: Adds texture and a hearty flavor to the cookies.
Chocolate chips: Provide bursts of sweetness and a rich chocolate flavor.
Technique Tip for This Recipe
When creaming together the butter, brown sugar, and granulated sugar, ensure the butter is at room temperature. This allows it to incorporate air more effectively, resulting in a lighter and fluffier cookie dough. Additionally, when adding the eggs, do so one at a time and beat well after each addition to ensure a smooth and homogenous mixture. This step helps in achieving a consistent texture throughout the cookies.
Suggested Side Dishes
Alternative Ingredients
butter - Substitute with coconut oil: Coconut oil provides a similar fat content and moisture, making it a good alternative for a dairy-free option.
brown sugar - Substitute with coconut sugar: Coconut sugar has a similar caramel-like flavor and can be used in the same quantity.
granulated sugar - Substitute with honey: Honey adds natural sweetness and moisture, but reduce the amount slightly as it is sweeter than granulated sugar.
eggs - Substitute with flax eggs: Mix 1 tablespoon of ground flaxseed with 3 tablespoons of water per egg. This provides a similar binding effect for a vegan option.
vanilla extract - Substitute with almond extract: Almond extract offers a different but pleasant flavor profile that complements the cookies.
all-purpose flour - Substitute with whole wheat flour: Whole wheat flour adds more fiber and nutrients, though it may make the cookies slightly denser.
baking soda - Substitute with baking powder: Use 3 times the amount of baking powder, but note that it may slightly alter the texture.
salt - Substitute with sea salt: Sea salt can be used in the same quantity and provides a slightly different mineral content.
old-fashioned oats - Substitute with quick oats: Quick oats can be used, but the texture will be slightly less chewy.
chocolate chips - Substitute with carob chips: Carob chips are a caffeine-free alternative with a similar texture and sweetness.
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How to Store / Freeze These Cookies
Allow the cookies to cool completely on wire racks before storing. This prevents condensation from forming inside the storage container, which can make the cookies soggy.
Store the cookies in an airtight container. Layer them with parchment paper or wax paper to prevent them from sticking together. This helps maintain their chewy texture.
Keep the container at room temperature for up to one week. If you prefer a longer storage time, consider freezing the cookies.
To freeze, place the cookies in a single layer on a baking sheet and freeze until solid. This prevents them from sticking together when stored.
Once frozen, transfer the cookies to a resealable freezer bag or an airtight container. Label the container with the date to keep track of their freshness.
For best results, consume frozen cookies within three months. When ready to enjoy, let them thaw at room temperature or warm them in a preheated oven at 300°F (150°C) for a few minutes.
If you prefer to freeze the cookie dough instead, scoop the dough into individual portions and place them on a baking sheet. Freeze until solid, then transfer to a resealable freezer bag or an airtight container.
When baking frozen cookie dough, add an extra minute or two to the baking time. There's no need to thaw the dough before baking.
For an added touch, sprinkle a pinch of sea salt on the cookies before baking. This enhances the chocolate flavor and adds a delightful contrast to the sweetness.
Enjoy your chewy chocolate chip oatmeal cookies with a glass of milk or a cup of coffee for the ultimate treat.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 300°F (150°C).
- Place the cookies on a baking sheet lined with parchment paper.
- Cover the cookies loosely with aluminum foil to prevent them from drying out.
- Heat for about 5-10 minutes, or until they are warmed through.
- Remove from the oven and let them cool slightly before enjoying.
Microwave Method:
- Place a cookie on a microwave-safe plate.
- Cover the cookie with a damp paper towel to keep it moist.
- Microwave on medium power for 10-15 seconds.
- Check the cookie and add a few more seconds if needed, but be careful not to overheat.
Toaster Oven Method:
- Preheat the toaster oven to 300°F (150°C).
- Place the cookies on the toaster oven tray.
- Heat for about 5-7 minutes, checking frequently to ensure they don’t overcook.
- Let them cool slightly before serving.
Stovetop Skillet Method:
- Preheat a non-stick skillet over low heat.
- Place the cookies in the skillet, making sure they are not touching.
- Cover the skillet with a lid to trap the heat.
- Heat for about 2-3 minutes on each side, or until warmed through.
- Remove from the skillet and let them cool slightly before enjoying.
Air Fryer Method:
- Preheat the air fryer to 300°F (150°C).
- Place the cookies in the air fryer basket in a single layer.
- Heat for about 3-5 minutes, checking frequently to avoid overcooking.
- Let them cool slightly before serving.
Best Tools for This Recipe
Oven: Used to bake the cookies at a consistent temperature of 350°F (175°C).
Large bowl: Ideal for creaming together the butter, brown sugar, and granulated sugar, and for mixing the dough.
Electric mixer: Helps to cream the butter and sugars until smooth and to beat in the eggs.
Measuring cups: Used to measure out the ingredients like flour, oats, and chocolate chips accurately.
Measuring spoons: Essential for measuring smaller quantities like baking soda, salt, and vanilla extract.
Spatula: Useful for scraping down the sides of the bowl and for mixing the dough.
Baking sheets: Used to place the cookie dough for baking.
Spoon: For dropping rounded spoonfuls of dough onto the baking sheets.
Wire racks: Used for cooling the cookies after they come out of the oven.
How to Save Time on Making These Cookies
Soften butter quickly: Cut butter into small pieces and let it sit at room temperature for faster softening.
Use a stand mixer: A stand mixer can cream the butter and sugars more efficiently than by hand.
Pre-measure ingredients: Measure all ingredients before starting to streamline the process.
Use parchment paper: Line baking sheets with parchment paper for easy cleanup and to prevent sticking.
Batch baking: Use multiple baking sheets to bake more cookies at once.
Quick oats option: Substitute old-fashioned oats with quick oats for a faster mix.

Chewy Chocolate Chip Oatmeal Cookies
Ingredients
Main Ingredients
- 1 cup Butter softened
- 1 cup Brown sugar packed
- ½ cup Granulated sugar
- 2 Eggs large
- 1 teaspoon Vanilla extract
- 1 ½ cups All-purpose flour
- 1 teaspoon Baking soda
- ½ teaspoon Salt
- 3 cups Old-fashioned oats
- 2 cups Chocolate chips
Instructions
- Preheat oven to 350°F (175°C).
- In a large bowl, cream together the butter, brown sugar, and granulated sugar until smooth.
- Beat in the eggs one at a time, then stir in the vanilla.
- Combine flour, baking soda, and salt; stir into the creamed mixture until just blended.
- Mix in the oats and chocolate chips.
- Drop by rounded spoonfuls onto ungreased baking sheets.
- Bake for 10 to 12 minutes in the preheated oven, until the edges are golden. Cool on wire racks.
Nutritional Value
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