These chewy peanut butter oat cookies are not your ordinary peanut butter cookie. These peanut butter cookies are irresistibly chewy, full of peanut butter flavor, and made with oat flour.

If you’ve ever bitten into a peanut butter cookie hoping for soft, chewy goodness—only to be met with a dry, crumbly bite—you’re not alone.

Classic peanut butter cookies have a reputation for being sandy and dry.

This recipe is different. Instead of a dry sandy texture, these cookies are everything you want a cookie to be: chewy, moist, and delicious!

Scroll down to see the recipe and just how easy it is to make these chewy peanut butter oat cookies!

Why you’ll love this chewy peanut butter oat cookie recipe

If you’ve ever been let down by dry, crumbly peanut butter cookies, this recipe is here to change the game. These cookies are chewy, crisp, and peanut buttery.

Here’s why this recipe will quickly become a favorite:

Seriously chewy – Thanks to oats and just the right amount of moisture, these cookies bake up irresistibly chewy every time.
Simple ingredients – You won’t need anything fancy to whip up a batch. Just basic ingredients like peanut butter, oats, and a touch of brown sugar.
Super easy to make – No complicated steps or chill time required. Just mix, scoop, and bake!

Peanut butter cookie ingredients

These chewy peanut butter oat cookies are made with pantry staples you probably already have on hand.

Here’s what you’ll need:

Old fashioned oats – Blended into a flour in a blender or food processor.
Peanut butter – Crunchy natural peanut butter that’s been stirred well.
Egg
Butter – You might be surprised by how little you’ll actually need for these chewy cookies!
Brown sugar – Sweetens and helps make the cookies chewy
Vanilla extract
Honey – A natural sweetener that also helps keep the cookies soft and chewy
Baking soda
Salt

How to make chewy peanut butter cookies

These chewy peanut butter oat cookies are simple to make and come together quickly with just a blender and one bowl.

Here’s a step-by-step guide to help you bake a batch of these cookies:

Make the oat flour. Add old-fashioned oats to a blender or food processor. Blend until the oats resemble a fine flour. Pulse in the baking soda and salt. Set aside.
Mix wet ingredients. In a large bowl, combine peanut butter, melted butter, brown sugar, honey, vanilla extract, and an egg. Whisk until the mixture is well combined.
Combine wet and dry. Add the oat flour mixture to the bowl with the wet ingredients. Use a rubber spatula to stir everything together.
Form and bake. Scoop the dough into balls and place them on a parchment-lined baking sheet. Bake until the cookies are set around the edges and slightly soft in the center, about 10 minutes.
Cool and enjoy. Let the cookies cool on the baking sheet for a few minutes before transferring them to a wire rack. These cookies are best the day of baking them!

Tips for the best cookies

Want perfectly chewy peanut butter oat cookies every time? These simple tips will help you get the texture just right and make the process even smoother.

Here’s how to get the most delicious results:

Use old-fashioned oats and blend them well. Use old-fashioned oats and make sure to blend them into a fine flour. This gives the cookies that sweet oat flavor while keeping the texture soft and chewy.
Don’t skip the mix of sweeteners. Brown sugar adds depth and chewiness, while honey brings extra moisture. Using both creates a better texture than one alone.
Stir the peanut butter in well. Make sure your natural peanut butter is well-stirred before measuring. If it’s separated, the cookie dough won’t come together properly.
Don’t overbake. These cookies are best when slightly underbaked. Take them out when the edges are set but the centers still look a bit soft—they’ll continue to firm up as they cool, staying chewy instead of dry.

Conclusion

These chewy peanut butter oat cookies are a delicious twist on the classic—crisp bottom, chewy center, and made with natural peanut butter.

With simple pantry ingredients and just the right amount of sweetness, they’re perfect for a quick snack or a healthier treat.

Whether you’re baking for your family, a gathering, or just because, this easy recipe is one you’ll want to make again and again.

Give it a try and enjoy the chewy goodness in every bite!