Easy One Bowl Oatmeal Cookies: Simple No-Mixer Recipe for Perfect Chewy Treats

Discover the ultimate one-bowl oatmeal cookie recipe that requires no special equipment and minimal cleanup! These perfectly chewy cookies come together in minutes using just a single bowl and simple pantry ingredients. Whether you’re a baking beginner or a seasoned pro looking for an easy treat, this recipe delivers bakery-quality results with incredible simplicity.

What makes these oatmeal cookies so special? They combine the wholesome goodness of oats with a soft, chewy texture that keeps everyone coming back for more. The one-bowl method means less time washing dishes and more time enjoying warm, freshly baked cookies straight from your oven.

Ingredients

• 1 cup all-purpose flour
• 1 teaspoon baking soda
• ½ teaspoon salt
• ½ cup unsalted butter, softened
• ¾ cup brown sugar
• ¼ cup granulated sugar
• 1 large egg
• 1 teaspoon vanilla extract
• 1 ½ cups old-fashioned oats
• ½ cup raisins or chocolate chips (optional)

Step-by-Step Instructions

Step 1: In a large mixing bowl, combine the softened butter, brown sugar, and granulated sugar. Use a wooden spoon or spatula to mix until well combined and creamy.

Step 2: Add the egg and vanilla extract to the butter-sugar mixture. Stir vigorously until the egg is fully incorporated and the mixture is smooth.

Step 3: Sprinkle the flour, baking soda, and salt directly over the wet ingredients. Gently fold everything together until just combined – be careful not to overmix.

Step 4: Add the oats and any optional mix-ins like raisins or chocolate chips. Stir until evenly distributed throughout the cookie dough.

Step 5: Preheat your oven to 350°F (175°C) and line baking sheets with parchment paper. Drop rounded tablespoons of dough onto the prepared sheets, spacing them about 2 inches apart.

Step 6: Bake for 10-12 minutes, or until the edges are golden brown and the centers are set. The cookies will continue to firm up as they cool.

Step 7: Let the cookies cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.

Expert Tips for Perfect Cookies

Butter Temperature Matters: Use softened butter that gives slightly when pressed but still holds its shape. This ensures easy mixing without needing an electric mixer.

Don’t Overmix: Once you add the flour, mix just until combined. Overmixing can lead to tough cookies rather than the soft, chewy texture we’re aiming for.

Customize Your Cookies: Feel free to add ½ cup of your favorite mix-ins. Chopped nuts, dried cranberries, or white chocolate chips all work beautifully in this versatile recipe.

Storage Tips: Store cooled cookies in an airtight container at room temperature for up to 5 days. For longer storage, you can freeze the baked cookies for up to 3 months.

If you love simple baking recipes, you might also enjoy our Ultimate Best Oatmeal Cookies or our Perfect Soft Thick Oatmeal Cookies for more delicious variations.

Frequently Asked Questions

Can I make these cookies gluten-free?
Yes! Simply substitute the all-purpose flour with your favorite gluten-free flour blend. The texture may vary slightly, but they’ll still be delicious.

How can I make these cookies crispier?
For crispier cookies, bake them for an additional 2-3 minutes. You can also flatten the dough balls slightly before baking to create thinner cookies.

Can I double this recipe?
Absolutely! This recipe doubles beautifully. Just make sure you have a large enough bowl to accommodate all the ingredients comfortably.

What’s the secret to chewy oatmeal cookies?
The combination of brown sugar and not overbaking is key. Brown sugar contains more moisture than white sugar, which helps create that desirable chewy texture.

For more easy dessert inspiration, check out our Ultimate Chocolate Sheet Cake or our Easy Texas Sheet Cake for other simple one-bowl treats that the whole family will love.

Easy One Bowl Oatmeal Cookies: Simple No-Mixer Recipe for Perfect Chewy Treats

This one-bowl oatmeal cookie recipe requires no special equipment and minimal cleanup, delivering perfectly chewy cookies using simple pantry ingredients. The easy method combines wholesome oats with a soft, chewy texture that keeps everyone coming back for more.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 12 minutes mins

Total Time 27 minutes mins

Calories: 120

Ingredients Method Notes

Ingredients

  

Ingredients

• 1 cup all-purpose flour
• 1 teaspoon baking soda
• ½ teaspoon salt
• ½ cup unsalted butter, softened
• ¾ cup brown sugar
• ¼ cup granulated sugar
• 1 large egg
• 1 teaspoon vanilla extract
• 1 ½ cups old-fashioned oats
• ½ cup raisins or chocolate chips (optional)

Method

 

Instructions

1. In a large mixing bowl, combine the softened butter, brown sugar, and granulated sugar. Use a wooden spoon or spatula to mix until well combined and creamy.
2. Add the egg and vanilla extract to the butter-sugar mixture. Stir vigorously until the egg is fully incorporated and the mixture is smooth.
3. Sprinkle the flour, baking soda, and salt directly over the wet ingredients. Gently fold everything together until just combined – be careful not to overmix.
4. Add the oats and any optional mix-ins like raisins or chocolate chips. Stir until evenly distributed throughout the cookie dough.
5. Preheat your oven to 350°F (175°C) and line baking sheets with parchment paper. Drop rounded tablespoons of dough onto the prepared sheets, spacing them about 2 inches apart.
6. Bake for 10-12 minutes, or until the edges are golden brown and the centers are set. The cookies will continue to firm up as they cool.
7. Let the cookies cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.

Notes

Use softened butter that gives slightly when pressed but still holds its shape. Don’t overmix once flour is added. Cookies can be customized with nuts, dried cranberries, or white chocolate chips. Store in airtight container for up to 5 days or freeze for 3 months.