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These one bowl, peanut butter chocolate chunk oatmeal cookies, are the incredibly peanutty, chocolatey cookie that you’ve been searching for. They’re super easy, require no chill time, and are the perfect cookies to bake up over a snowy weekend at home…or any other day throughout the year. Peanut butter chocolate lovers, this is your cookie!

overhead photo of Peanut Butter Chocolate Chunk Oatmeal Cookies

In stressful times, falling back on the classics is truly one of the best things you can do for yourself. Meaning, if your week has been a difficult one, bake these cookies tonight, and all will be OK again. At least for the 30 minutes it will take you to mix, bake, and sink your teeth into a warm peanutty cookie. Where your head goes after those 30 minutes is fully up to you. But since it’s Friday, my hope is that it’s chill time, and we can all take some time to relax, cook, bake, and enjoy a couple of days off.

Sounds pretty amazing, right? Thank God for Fridays, they’ve always been my favorite day of the week…

On the flip side, no matter how old I get, Sundays will always be my least favorite day. Why? Because as a kid Sunday meant it was back to school the next day. Which meant so much anxiety for me. I may be out of school now, and these days I actually look forward to Mondays, but I can’t shake those Sunday anxiety driven feelings. They occasionally creep up, which is weird, but I’ve kind of just learned to live with it. And to bake cookies to take the edge off! It’s not the perfect solution, but you know, it works.

Which brings me to these perfectly peanutty, oatmeal cookies that are studded with chocolate chunks, and literally melt in your mouth.

Peanut Butter Chocolate Chunk Oatmeal Cookies before baking

I’m sure you guys have noticed, but I don’t have a ton of classic recipes here on HBH. I’m much more about sharing a twist on classics, giving them a bit of a facelift, as some may say. Here’s the truth though, when it comes to desserts, I really love the classics. Especially the classics I grew up eating…chocolate chip cookies, banana bread, peanut bars, and mom’s oatmeal chocolate chip cookies.

I’ve yet to share my go-to chocolate chip cookie recipe. But today I’m finally sharing my go-to peanut butter oatmeal cookie recipe. Although, if you are a vegan, I adore these cookies from last year too. These cookies were inspired by my dad’s upcoming birthday, and his love of all things peanut butter and chocolate. I knew it was the perfect time to bake and photograph these cookies for the site…

Maybe I should have called them Birthday Cookies?side angled close up photo of Peanut Butter Chocolate Chunk Oatmeal Cookies

Here’s what you need to know in a nutshell. I use my mom’s base oatmeal cookie recipe and simply add creamy peanut butter and chocolate chunks. Yep, that’s it!

DELICIOUS.

Favorite part? These are the simplest cookie to make. They requiring just one bowl, no chill time, pantry ingredients, and about 30 minutes total. Yes, this means if you got up right now and started baking these cookies, you could finish reading this post with a warm, peanutty, chocolatey oatmeal cookie in hand in about 25 minutes or so.

They’re dangerous, and yet perfect in every way.

close up overhead photo of Peanut Butter Chocolate Chunk Oatmeal Cookies broken in half

The secret to these cookies is to use oil in place of butter. Normally I’m an all butter, all the time, girl. But with this cookie recipe there is no sub in my opinion, oil is what works best.

The second secret is to use a mix of brown sugar and granulated sugar. Now, here’s the deal. I don’t love an overly sweet cookie, so I keep my sugar pretty reduced. That said, if you love a sweet cookie, you might add 1/4 cup additional granulated sugar. But again, I don’t really think it’s needed.

I love using a greater amount of brown sugar because I think it’s flavor is best. But the granulated sugar adds a nice texture and chew that I think serves the cookie well. So use both.

And the third trick? Chocolate chunks. Yes, I know everyone knows about chocolate chunks, but I use a lot. I prefer the dark variety, but milk chocolate is great too. Use what you love.

Oh and then? A nice dusting of flaky sea salt. You don’t have to, but it sure is good…

And with that, I’m going to leave you with the recipe and wish you all a very chill weekend that’s hopefully full of cookies. Ah, the best kind of weekend. See ya Sunday for another round of favorites.

Peanut Butter Chocolate Chunk Oatmeal Cookies stacked on top of each other

overhead photo of Peanut Butter Chocolate Chunk Oatmeal Cookies

If you make these peanut butter chocolate chunk oatmeal cookies, be sure to leave a comment and/or give this recipe a rating! Above all, I love to hear from you guys and always do my best to respond to each and every comment. And of course, if you do make this recipe, don’t forget to also tag me on Instagram! Looking through the photos of recipes you all have made is my favorite!

Peanut Butter Chocolate Chunk Oatmeal Cookies

Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Servings: 24 about cookies
Calories Per Serving: 244 kcal

Nutritional information is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.

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Ingredients

Instructions

  • 1. Preheat the oven to 350 degrees F. Line a baking sheet with parchment paper. 
    2. In a large mixing bowl, or the bowl of a stand mixer, mix the canola oil, peanut butter, eggs, and vanilla until combined. Add the oatmeal, flour, brown sugar, granulated sugar, baking soda, and salt. Beat until the dough is moist and all the ingredients are combined. The dough will be crumbly. Mix in the chocolate chunks.
    3. Using your hands, clump together about a tablespoon of dough at a time and squeeze into a ball. Place on the prepared baking sheet 2 inches apart and very gently flatten with the palm of your hand just slightly. The dough will be crumbly, this is OK.
    4. Bake for 8 to 10 minutes, or until set and golden. These are crumbly cookies, so let them cool 5 minutes on the pan, then enjoy! 

Notes

*As noted in the post, these are crumbly cookies. That is how they are meant to be. The taste and flavor is delicious and we love the texture! Please keep this in mind when making these cookies. If you really can't get the cookies to hold, add an additional egg to the dough. This will solve the issue. 
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Comments

  1. 4 stars
    Extra egg is KEY!!! Don’t be stubborn like me and stand there for 10 min trying to form a ball, add that egg and spend those 10 min eating these yummy cookies!

  2. 5 stars
    The dough IS crumbly but it doesn’t take away from the incredible flavor once these cookies are baked. The combination of the oats, peanut butter, and chocolate is fabulous. Thank you for this excellent recipe, I look forward to making these cookies again!

  3. 5 stars
    Very simple, easy recipe. I love the extra tip about adding an egg if its too crumbly, especially because I use whole wheat flour and whole wheat can be quite thirsty! Dark chocolate chunks are a must as well as the flakey salt on top!

    1. Hey Grace! Almond butter will be great! Please let me know if you have any other questions. I hope you love this recipe! Thank you! xTieghan

  4. 5 stars
    GREAT cookies! I halved the recipe, used a well-rounded TBL of dough for each cookie, and still came out with 24 cookies. Not complaining mind you!!!

  5. 4 stars
    These cookies were amazing! Yes, it’s supposed to be crumbly. And we actually quite liked the crumbly yet chewy texture. When we finished eating the cookies, we ate the crumbs with milk (like cereal!) and it tasted HEAVENLY!

  6. Hi Tieghan, I’ve been a long time fan! I love your flavor combinations.
    I was reading thru some of the comments, particularly those about the cookies being too dry and crumbly. I’m wondering if recipe measurements given by weight instead of volume wouldn’t resolve their problem? I know some aren’t accustomed to weight measurements but once I made the change I’ll never go back to volume measurements again.

    1. Hey Nancy! I am not familiar with weight measurements, so it’s hard for me to say. I will experiment a bit. Thanks so much for the tip! Hope you love these cookies! 🙂

  7. 1 star
    I love all your recipes but I have to give honest constructive criticism. I can’t find many people in my world that enjoy a crumbly cookie. A doughy cookie? yes. buttery? yes. crispy like Tates? yes. cakey? yes. but crumbly? no. I took these out of the oven a little bit before hand to let them continue baking on the pan and they still tasted dry and crumbly. These might be good with ice cream on top. my husband said they tasted more like a granola bar than a cookie. Not my cup of tea. But thank you for your creativity and all you do. You are very talented.

    1. Hi Kim! Im sorry these did not work well for you. Are there any questions I can help you with? I hope you love other recipes of mine! xTieghan

  8. I made these and LOVED them and definitely want to make again. However, I was wondering if extra dough would be ok in the freezer and for how long?

    1. HI! You can keep the extra dough balls in the freezer for 3 months if covered well. Please let me know if you have any other questions. I hope you love this recipe! Thank you! xTieghan

  9. 3 stars
    I love peanut butter, chocolate and oatmeal but have never found the perfect peanut butter oatmeal cookie recipe. This looked interesting, so I decided to try them on this rainy afternoon.
    The first batch of cookies did not turn out well at all. I actually tossed them. The second batch was somewhat better. I was not really happy with them, though, and considered tossing the rest of the dough. But there were a lot of expensive ingredients in there and I had a bright idea. I sprayed a 9″ square pan with cooking spray, pressed the rest of the dough into it and baked it until just done. While I was disappointed with the cookies, the bars are fabulous! I will certainly make them again when I want something for a group! As bars, five stars!

    1. Hi Lucy! I am so glad these finally turned out amazing for you and I apologize they did not work the first time! Thank you so much! xTieghan

  10. These cookies are delicious, but I found them to be way too crumbly, even after baking they fell apart when I bit into them. I followed directions exactly. After reading the comments I think I will try adding an extra egg next time and see if that helps, because they really are good.

    1. I hope it does help! For others adding more oil and another egg worked perfectly! I hope you love this Patricia! xTieghan

  11. 4 stars
    These were delicious cookies. I wasn’t sure they would turn out based on how crumbly the dough was but YUM. But the recipe made way more than 24 (probably 40) and it took me a lot longer than 30 mins because rolling the dough out took a while. Have you tried using less sugar and substituting with apple sauce or something?

    1. HI! I have not tested the recipe with less sugar or applesauce, but I am not sure applesauce would result in the proper texture, especially with these cookies. Please let me know if you have any other questions. I hope you love this recipe! Thank you! xTieghan

  12. 4 stars
    As soon as I saw the recipe I knew I had to make it – I LOOOOVE peanut butter!!! I mixed up the ingredients and noticed that the batter was pretty crumbly. It was only then that I decided to read some of the comments, so I quickly modified the ingredients by adding an extra egg (as Teighan suggested) and an extra splash of canola oil (maybe 2 tbsp?).

    These cookies are delicious! I am so happy with them 🙂 As soon as my husband came home from work, he beelined to the kitchen to try one (then a second, then a third…). They are a hit, and I am definitely going to make them again. While the original batter was a tad crumbly, I’m not going to lie, I ate a few tablespoons before modifying the ingredients – It was soooo yummy!!!

    Thanks for another great recipe <3

  13. 4 stars
    Flavors are all there. I did have to add an extra egg after baking my first batch because they fell apart. Did not look even close to yours. But the egg really helped keep them together. They are chubby cookies! Very good though!

  14. PERFECTION!!! No other word for these cookies. Huge taste with incredible flavor. Even my non-vegan friends asked for the recipe ? thank you for pure yumminess!