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    Home » Recipes » Desserts » Cookies » Peanut Butter Oatmeal Cookies

    Peanut Butter Oatmeal Cookies

    Published: September 19, 2021 · Modified: Sep 19, 2021 by John Kanell

    This post may contain affiliate links. Please read our disclosure policy.

    Chewy and soft, these Peanut Butter Oatmeal Cookies come together quickly with pantry staples and no chilling time! Packed with peanut butter flavors and oatmeal, these peanut butter oat cookies are always a delightful snack that is both filling and delicious.

    A plate with two peanut butter oatmeal cookies in front of a glass of milk and a platter of more cookies.
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    Pinterest graphic of a plate with two peanut butter oatmeal cookies beside a platter of more cookies.
    Pinterest graphic of a plate with two peanut butter oatmeal cookies in front of a glass of milk.

    If you’re a fan of oatmeal and peanut butter, then these peanut butter oatmeal cookies are the perfect cookie for you. They’re tender and chewy on the inside and just the right amount of crispy on the outside. I love how they’re not too sweet and only require pantry staples. They’re so quick and easy that even your kids can help out. Plus, we’re all supposed to have more oatmeal in our daily diet, right?

    Make a batch of these cookies to share or enjoy them all by yourself! They always disappear immediately when I make a batch for potlucks. If you want to make more cookies, try my Chocolate Chip Cookies or Oatmeal Chocolate Chip Cookies.

    WHAT YOU NEED TO MAKE THIS RECIPE

    Ingredients needed to make peanut butter oatmeal cookies.

    Baking soda — the cookie dough is heavy, so the baking soda helps lift the cookies. Double-check the baking soda to ensure it’s not expired.

    Butter — when selecting butter, be sure to use unsalted butter and not salted butter. Salted butter does not have a consistent amount of salt, so you should add your own. Make sure the butter is soft enough so when you press into it, your finger leaves a dent. If it’s cold, it’ll be challenging to cream it with the sugars.

    Sugar — the white sugar helps the cookies spread while the brown sugar keeps them moist. Don’t substitute the brown sugar for only white sugar, as it’ll cause the cookies to spread too much and become thin and dry.

    Peanut butter — you’ll want to use creamy peanut butter for this, such as Jif or Skippy. I don’t recommend using oily/natural peanut butter or crunchy peanut butter because it’ll change the texture of the cookies.

    Rolled oats — you need to use rolled oats and not quick oats or steel-cut oats for this cookie recipe. Quick oats will fall apart, whereas steel-cut oats are not processed enough leading to an undesirable texture.

    HOW TO MAKE PEANUT BUTTER OATMEAL COOKIES

    Set of two photos showing butter and sugar being creamed.

    1. In a large mixing bowl, add butter, peanut butter, and sugars.

    2. Beat on medium-low speed until smooth and well combined until light and fluffy.

    Set of two photos showing eggs being added to the mixer, then flour.

    3. Beat in the eggs and vanilla on medium speed until well combined, stopping to scrape down the bowl as needed.

    4. Add the flour, baking soda, and salt, mixing just until almost combined with the mixer on low.

    Set of two photos showing rolled oats added to the mixer and batter portioned out with a scoop.

    5. Scrape down the bowl and add the rolled oats. Mix just until combined.

    6. Scoop roughly 2 tablespoons of cookie dough onto the baking sheet, placing each cookie about 2 inches apart. Bake for about 12 to 15 minutes or until the edges are set. Let cookies cool on the pan for 5 minutes before transferring to a wire rack.

    A plate with a bunch of peanut butter oatmeal cookies.

    PRO TIPS FOR MAKING THIS RECIPE

    • Make sure your brown sugar is soft and moist for the best cookies. If your brown sugar has hardened, don’t worry, it’s an easy fix! I wrote a detailed post on how to soften brown sugar.
    • If you don’t have brown sugar, you can follow this post on how to make brown sugar.
    • Don’t overbake the peanut butter oat cookies, as they’ll continue to bake as they cool. The middle should still be soft when you pull them out.
    • Add a pinch of cinnamon for extra flavor.
    • Room temperature egg will mix more evenly into the creamed butter. Place your egg into a bowl of warm water for a couple of minutes. Doing so will quickly bring it to room temperature if you have forgotten to take it out of your fridge ahead of time.
    • Measure your flour correctly to avoid dry and dense cookies. Adding too much flour to the recipe is the most common mistake. The easiest way to measure flour is by using a scale. If you don’t have one, then fluff your flour with a spoon, sprinkle it into your measuring cup, and use a knife to level it off.

    A stack of four peanut butter oatmeal cookies, the top one with a bite taken out.

    FREQUENTLY ASKED QUESTIONS

    Can I add add-ins?

    Yes! Feel free to stir in a couple of chocolate chips, M&M’s, white chocolate chips, chopped nuts, and raisins. Play around with it to find your favorite combination.

    Can I use another nut butter?

    You can absolutely swap out the type of peanut butter for something like honey-roasted peanut butter or even a different nut butter like almond butter to accommodate flavor preference or dietary needs. However, I do not recommend a no-stir nut butter for this recipe, so it’ll be too wet.

    How do I store leftover cookies?

    Store any leftovers oat cookies in an airtight container for up to 5 days at room temperature. Alternatively, you can freeze baked cookies in the freezer for up to 2 months. Be sure to allow the cookies to cool to room temperature before storing, or they might get soggy from condensation.

    Can I freeze the raw dough?

    I love freezing this cookie dough so I can bake a couple peanut butter oatmeal cookies whenever I crave them. To freeze, use the cookie scoop, portion out the raw dough on a lined sheet pan in a single layer. Place the sheet pan in the freezer until the dough is frozen, then transfer the dough balls into a large freezer-safe bag. Store the frozen dough for up to 3 months in the freezer. Bake the cookie dough straight from frozen; all you have to do is add an extra minute to the baking time.

    If you love this recipe try these out!

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      Oatmeal Raisin Cookies

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      Peanut Butter Cookies Recipe

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      Peanut Butter Chocolate Chip Cookies

    • White chocolate chip cookies on a small plate and some on a cooling rack

      White Chocolate Chip Cookies

    • No bake cookies on a plate with a glass of milk behind it

      No Bake Cookies

    If you’ve tried this Peanut Butter Oatmeal Cookies recipe, then don’t forget to rate the recipe and let me know how you got on in the comments below, I love hearing from you!

    Overhead view of multiple peanut butter oatmeal cookies in a single layer.
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    4.99 from 58 votes

    Peanut Butter Oatmeal Cookies

    Perfectly soft and chewy on the inside, these Peanut Butter Oatmeal Cookies are the perfect snack. Not too sweet, they're perfect for both kids and adults.
    Course Dessert
    Cuisine American
    Prep Time 15 minutes
    Cook Time 12 minutes
    Rest Time 5 minutes
    Total Time 32 minutes
    Servings 24 cookies
    Calories 249kcal
    Author John Kanell

    Equipment

    • Mixer

    Ingredients

    • 1½ cups all-purpose flour (180g)
    • 1 teaspoon baking soda
    • ¾ teaspoon salt
    • 1 cup unsalted butter room temperature (227g)
    • 1 cup creamy peanut butter (255g)
    • ¾ cup packed light brown sugar (165g)
    • ¾ cup granulated sugar (150g)
    • 2 large eggs
    • 2 teaspoons vanilla
    • 2½ cups old-fashioned rolled oats (280g)

    Instructions

    • Preheat the oven to 350F. Line a baking sheet with parchment paper or a silicone baking mat.
    • In a medium bowl, whisk together flour, baking soda, and salt.
    • In a large mixing bowl or the bowl of a stand mixer fitted with the paddle attachment, beat butter and peanut butter on medium-low speed until smooth and well combined. Add the sugars and beat on medium speed until light and fluffy, about 2 minutes.
    • Beat in the eggs and vanilla on medium speed until well combined, stopping to scrape down the bowl as needed.
    • With the mixer on low, add the flour mixture, mixing just until almost combined. Scrape down the bowl and add the rolled oats. Mix just until combined.
    • Scoop roughly 2 tablespoons of cookie dough onto the baking sheet, placing each cookie about 2 inches apart.
    • For gooey cookies, bake for about 12 minutes or until the edges are set but the center still appears wet or shiny. For crispier-edged cookies, bake for about 15 minutes or until the edges and tops are lightly browned and the center is no longer shiny. Let cookies cool on the pan for 5 minutes. Remove and finish cooling on a wire rack.

    Video

    Notes

    • Make sure your brown sugar is soft and moist for the best cookies. If your brown sugar has hardened, don’t worry, it’s an easy fix! I wrote a detailed post on how to soften brown sugar.
    • If you don’t have brown sugar, you can follow this post on how to make brown sugar.
    • Don’t overbake the peanut butter oat cookies, as they’ll continue to bake as they cool. The middle should still be soft when you pull them out.
    • Add a pinch of cinnamon for extra flavor.
    • Room temperature egg will mix more evenly into the creamed butter. Place your egg into a bowl of warm water for a couple of minutes. Doing so will quickly bring it to room temperature if you have forgotten to take it out of your fridge ahead of time.
    • Measure your flour correctly to avoid dry and dense cookies. Adding too much flour to the recipe is the most common mistake. The easiest way to measure flour is by using a scale. If you don’t have one, then fluff your flour with a spoon, sprinkle it into your measuring cup, and use a knife to level it off.

    Nutrition

    Calories: 249kcal | Carbohydrates: 27g | Protein: 5g | Fat: 14g | Saturated Fat: 6g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 5g | Trans Fat: 1g | Cholesterol: 36mg | Sodium: 177mg | Potassium: 126mg | Fiber: 2g | Sugar: 14g | Vitamin A: 259IU | Calcium: 21mg | Iron: 1mg
    *Nutrition Disclaimer
    Have you Tried this Recipe? Tag me Today!Mention @preppykitchen and tag #preppykitchen!
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    Thanks for stopping by! I’m John Kanell, a husband, dad to twins Lachlan and George, Los Angeles native, and an avid baker and cooker of all things delicious thanks to a life long education from my mother. This blog is where I share all of my kitchen creations!

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