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    Home » Recipes » Cookies

    Peanut Butter Oatmeal Cookies

    July 25, 2018 Updated April 23, 2025 BySam Merritt 77 Comments

    This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases. Please read my disclosure policy.
    Jump to Recipe Jump to Video

    Buttery peanut butter oatmeal cookies are absolutely irresistible! They have a soft and chewy texture with just the right amount of oats. Recipe includes a how-to video!

    Peanut butter oatmeal cookies cooling on a gold cooling rack

    Why You’ll Love My Recipe

    • No shortening! While some recipes use shortening instead of butter, my peanut butter oatmeal cookies are butter-based. It shines through so nicely in this recipe and really complements the peanut butter (it does the same thing in my peanut butter frosting recipe!).
    • Soft and chewy texture. There are several factors that contribute this, but the most important one is to properly bake the cookies; more specifically, to slightly underbake them.
    • Can handle add-ins like chocolate chips, peanut butter chips, or butterscotch chips, if you want to add a bit more indulgence!

    These soft and chewy cookies combine two favorites: oatmeal cookies and peanut butter cookies. They have a buttery peanut butter flavor with the hearty, chewy texture of classic oatmeal cookies. You can scoop them larger to make them big and thick–bakery-style, just like my chocolate chip muffins!

    Ingredients

    Just pantry staples today! I know you might have questions about a few, so let’s review them first.

    Ingredients for peanut butter oatmeal cookies
    • Peanut butter. You can use creamy or crunchy peanut butter, but I don’t recommend using natural peanut butter. I haven’t tried this recipe with my homemade peanut butter yet–will report back on that once I do! Cookie butter would also be tasty here 😋
    • Oats. While I typically use old-fashioned oats in oatmeal cookies, I recommend you stick with quick or instant oats today. I talk more about this in the FAQ section below.
    • Flour. Make sure you know how to measure flour, or your cookies may not spread properly in the oven. Over-measuring flour is an easy mistake to make and will lead to an overly dry, stiff dough and cookies that stay in a ball shape even after baking.
    • Brown sugar. You can use either light or dark brown sugar. Personally, I like to use a blend of the two!
    • Cornstarch. A favorite ingredient in many of my cookie recipes, cornstarch encourages a soft and chewy texture. While you could leave this out in a pinch, I really recommend adding it for the best results.

    SAM’S TIP: This recipe makes a fairly small batch of cookies (about 15, depending on how large you scoop them). It can be doubled, or even tripled if needed.

    Remember, this is just an overview of the ingredients I used and why. For the full recipe please scroll down to the bottom of the post!

    How to Make Them

    Cookie dough in a glass mixing bowl

    Cream the butters and sugars together, then stir in the peanut butter until well combined. Add the egg and vanilla and stir well to combine, then set the bowl aside while you grab a second bowl for your dry ingredients.

    Whisk the dry ingredients together in a separate bowl, then add to the butter mixture. Keep your mixer on low speed during this process and work slowly so the flour has time to absorb. Scrape the bowl with a spatula to check for any dry pockets, then fold in the oats.

    Cover and chill the dough for at least 30 minutes. If it’s still sticky after that, give it another 30 minutes or so until it can be rolled in your palms without making a sticky mess.

    Scoop and roll your dough into smooth 2-tablespoon balls, then bake. Remove when the edges start to turn a very, very light golden brown. The centers should still look a tad undercooked–this is intentional! They will finish cooking on the hot baking sheet outside the oven for perfectly soft and chewy results!

    SAM’S TIP: Do not over-bake these cookies, or they will be dry and crumbly (I actually made this mistake in my video below!). It’s totally fine if they are slightly underbaked; in fact, that’s ideal! I do this with many of my cookie recipes, but especially peanut butter cookies.

    peanut butter cookies with oatmeal on a white plate

    Frequently Asked Questions

    Can I freeze the dough?

    You can freeze this dough! To do so, you will first chill the dough 30 minutes as instructed, then scoop and roll the dough into balls, wrap each individual cookie dough ball tightly in plastic wrap, place each of those in an airtight container (I use a Ziploc freezer bag), and freeze for up to 3 months. You may need to bake your cookies a minute or two longer when cooking from frozen, and they may not spread as much.

    I talk about how to freeze any type of cookie in my post on how to freeze cookie dough, if you like having ready-to-bake cookie dough on hand.

    Will rolled oats work?

    I prefer instant oats in this recipe, as they tend to blend nicely into the batter and maintain that perfect balance between classic peanut butter cookies and oatmeal cookies. If you only have rolled oats on hand, you can of course use them, but your cookies will be heartier and more “oaty” with even more texture to them.

    Can I add chocolate chips or raisins?

    Yes! I recommend adding no more than 1 cup of add-ins for a single batch of this recipe (double this amount if you double the recipe). You can stir them in with the oats.

    stack of 3 peanut butter oatmeal cookies, one with a bite missing

    My monster cookies are very similar to this recipe, but they have lots of fun add-ins. Give them a try next!

    Enjoy!

    Let’s bake together! Subscribe to my newsletter to be notified of all the newest recipes, and find my free recipe tutorials on YouTube 💜

    Peanut butter oatmeal cookie on cooling rack

    Peanut Butter Oatmeal Cookies

    Buttery peanut butter oatmeal cookies are absolutely irresistible! They have a soft and chewy texture with just the right amount of oats. Just 30 minutes of chilling!
    Recipe includes a how-to video!
    4.92 from 23 votes
    Print Pin Rate
    Prevent your screen from going dark
    Course: Cookies, Dessert
    Cuisine: American
    Prep Time: 15 minutes minutes
    Cook Time: 11 minutes minutes
    Chilling Time: 30 minutes minutes
    Total Time: 56 minutes minutes
    Servings: 19 cookies
    Calories: 239kcal
    Author: Sam Merritt

    Ingredients

    • 10 Tablespoons (141 g) unsalted butter softened to room temperature
    • ⅔ cup (135 g) light or dark brown sugar tightly packed
    • ¼ cup (50 g) sugar
    • ½ cup (140 g) creamy peanut butter I don't recommend using natural peanut butter
    • 1 large egg
    • 1 teaspoon vanilla extract
    • 1 cup (125 g) all-purpose flour
    • 1 teaspoon cornstarch
    • ¾ teaspoon baking soda
    • ¾ teaspoon salt
    • 1 cup (115 g) quick oats

    Instructions

    • Combine butter and sugars in a large bowl and use an electric mixer to beat until creamy and well-combined.
      10 Tablespoons (141 g) unsalted butter, ⅔ cup (135 g) light or dark brown sugar, ¼ cup (50 g) sugar
    • Add peanut butter and stir again until smooth.
      ½ cup (140 g) creamy peanut butter
    • Add eggs and vanilla extract and stir until well-combined.
      1 large egg, 1 teaspoon vanilla extract
    • In a separate bowl, whisk together flour, cornstarch, baking soda, and salt.
      1 cup (125 g) all-purpose flour, 1 teaspoon cornstarch, ¾ teaspoon baking soda, ¾ teaspoon salt
    • Add your flour mixture to your wet ingredients and stir (with mixer on low speed so that you don’t send flour flying everywhere!) until flour is completely incorporated into the batter. Be sure to scrape the sides and bottom of the bowl so that ingredients are well-combined.
    • Add oats and stir well.
      1 cup (115 g) quick oats
    • Cover your cookie dough with plastic wrap and transfer to the refrigerator. Allow dough to chill for at least 30 minutes (this dough may be chilled overnight if needed).
    • While dough is chilling, preheat your oven to 375F (190C) and line cookie sheets with parchment paper.
    • Once dough has chilled, remove from the refrigerator and roll into 2 Tablespoon-sized balls (38g) and place on prepared cookie sheet, spacing cookie dough at least 2" apart.
    • Bake on 375F (190C) for 8-10 minutes or until edges are just beginning to turn light golden brown around the edges (centers may still appear slightly underdone). Allow cookie dough to cool completely on cookie sheet before enjoying (the centers will continue to bake as they cool).

    Notes

    Storing

    Store in an airtight container at room temperature for up to 3 days.

    Nutrition

    Serving: 1cookie | Calories: 239kcal | Carbohydrates: 27g | Protein: 5g | Fat: 14g | Saturated Fat: 6g | Trans Fat: 1g | Cholesterol: 33mg | Sodium: 234mg | Potassium: 111mg | Fiber: 1g | Sugar: 15g | Vitamin A: 267IU | Calcium: 21mg | Iron: 1mg

    Nutritional information is based on third-party calculations and should be considered an estimate only. Actual nutritional content will vary based upon brands used, measuring methods, cooking method, portion sizes, and more.

    Tried this recipe? Show me on Instagram!Mention @SugarSpun_Sam or tag #sugarspunrun!

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    Reader Interactions

    Comments

    1. Judy

      May 21, 2025 at 8:16 am

      5 stars
      So, so yummy. Could not stop with one cookie. Thank you for a great and easy cookie recipe.

      Reply
      • Sam

        May 21, 2025 at 2:48 pm

        I’m so glad you enjoyed them so much, Judy! 🙂

        Reply
    2. Therese

      February 27, 2025 at 2:32 pm

      5 stars
      Made with gluten-free flour and date sugar/maple syrup. Delicious! Everybody loved them…only next time I might add more oats!

      Reply
      • Sam

        February 27, 2025 at 3:33 pm

        I’m so glad you enjoyed them so much, Therese! Thank you for the feedback using the substitutions. 🙂

        Reply
    3. Kierra

      February 25, 2025 at 9:53 pm

      Hi there,

      Every time I make any of your cookie recipes (I’ve probably made three now) my cookies come out so much flatter than yours. I weigh my flour and chill the dough as recommended.

      Also, why don’t you ever use your kitchenaid anymore???

      Reply
      • Casey @ Sugar Spun Run

        March 07, 2025 at 4:20 pm

        Hi Kierra! Thats so strange, we’re honestly not sure why they would be coming out flatter. After the first batch if they’re still coming out flat, you could try adding a small spoonful of flour and stirring that in to make the dough a little stiffer. As far as our other recipes, if it calls for melted butter you want to make sure the butter isn’t too hot before adding the other ingredients

        Reply
    4. Bev

      July 03, 2024 at 6:45 pm

      5 stars
      My husband says these are his favorite cookies :). Thanks Sam for all you do..

      Reply
      • Sam

        July 03, 2024 at 9:21 pm

        I’m so glad you enjoyed them so much, Bev! 🙂

        Reply
    5. Stephen Gray

      April 29, 2024 at 3:17 pm

      Is there any chance you have a printable recipe already doubled with the picture that prints on single recipe? My wife likes pictures on all of my recipes and if I try to double the ingredients as I assemble everything,I inadvertently leave something as single

      Reply
      • Sam

        April 30, 2024 at 10:21 pm

        Hi Stephen! Unfortunately I do not have the option to double the ingredients and print it. 🙁

        Reply
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    4.92 from 23 votes (3 ratings without comment)

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    The author (Sam) in blue shirt holding donut Hi, I'm Sam! I'm dedicated to bringing you sweet, simple, and from-scratch dessert recipes. My life may or may not be controlled by my sweet tooth. Send help (or chocolate). Read more about me.

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