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    Home » Recipes

    3 Ingredient Peanut Butter Oatmeal Bars (No Bake)

    Jump to Recipe·Print Recipe

    Peanut Butter Oatmeal Bars are so easy to make and require only 3 wholesome ingredients with no baking. Kid-friendly, healthy, and the perfect dessert or snack. Vegan and gluten-free.

    Peanut butter oatmeal bars stacked and drizzled with chocolate.

    Looking for something to satisfy that sweet tooth? It’s ok, you can tell me. No judgment here. Well, I’ve got just the thing, especially if you’re a peanut butter lover. A healthy snack that’s sure to satisfy everyone. And, no, you don’t have to tell anyone these are healthy. 

    These easy no bake peanut butter oatmeal bars use super simple ingredients and combine the best of breakfast, snack, and dessert. So, all the major areas are covered. Right?

    Oh, one more thing. This is such a great recipe you can make with your kids. It’s so easy and doesn’t require any electricity. It’s a great way to get them into the kitchen and start teaching them to cook.

    Is there anything better than spending time with the people you love most and making healthy treats? I think not.

    So, put down the granola bars and whip up a batch of these amazing little cookie bars. Saying “I love you” has never been easier or cheaper.

    Oats, peanut butter, and maple syrup on table.

    Table of Contents

    • Peanut Butter Oatmeal Bar Ingredients
    • How To Make Healthy No Bake Peanut Butter Oatmeal Bars
    • Tips For Making Peanut Butter Oatmeal Bars
    • How To Store
    • Can I Freeze Peanut Butter Oatmeal Bars
    • Peanut Butter Oatmeal Bars Recipe Variations
    • More Healthy Vegan Desserts
    • 3 Ingredient Peanut Butter Oatmeal Bars (No Bake)

    Peanut Butter Oatmeal Bar Ingredients

    This recipe is so simple and requires only 3 basic, but wholesome ingredients. Odds are you already have these ingredients in your pantry.

    • Old-Fashioned Oats: I usually prefer organic gluten-free oats. But, any brand of old-fashioned oats will work.
    • Natural Peanut Butter: I prefer creamy peanut butter in this recipe. And, make sure to read the label and the only ingredients are peanuts and maybe a little salt.
    • Maple Syrup: Be sure and read the label and make sure it is pure maple syrup. 
    Oats and peanut butter in mixing bowl.

    How To Make Healthy No Bake Peanut Butter Oatmeal Bars

    These delicious and easy peanut butter bars come together in just minutes. Healthy ingredients, no baking, and kid-friendly! What could be better?

    1. Line an 8×8 or 9×9 baking dish with parchment paper. You could also use a loaf pan if you wish.
    2. In a small saucepan over medium heat melt the peanut butter and maple syrup together until it’s smooth.
    3. To a large bowl add the oats to the peanut butter mixture and stir until everything is well combined.
    4. Pour the mixture into the prepared pan and press evenly into the baking dish. Place in the refrigerator until set, cut into squares, and enjoy.
    Peanut butter oatmeal mixture in baking pan.

    Tips For Making Peanut Butter Oatmeal Bars

    • If you want this recipe to be gluten-free be sure and read the label to ensure the oats are 100% gluten-free.
    • I wouldn’t use quick oats. I find they don’t hold together as well regular old-fashioned oats.
    • Use all-natural peanut butter. The only ingredients should be peanuts and maybe a little salt. My favorite natural peanut butter brands are: Smuckers (my fave), Costco, Trader Joe’s, and Whole Foods.
    • Cut into smaller portions. While these are “healthy” they are very calorically dense. So, you shouldn’t think you can sit down and eat the whole tray. Cut the peanut butter bars into smaller servings. One small square will fill you and give a decent energy boost.
    • This is such a good recipe for meal prep. Because it freezes so well you can make several batches ahead of time, store them, and use them as needed.
    Peanut butter oatmeal squares in baking dish.

    How To Store

    Peanut butter oatmeal bars can be stored in an airtight container at room temperature or in the refrigerator for up to 5 days. I prefer to keep them the in the fridge because I like them firm and chilled.

    Peanut butter oatmeal bars on wax paper.

    Can I Freeze Peanut Butter Oatmeal Bars

    Yes, absolutely! Place the bars in a freezer-safe container and store them in the freezer for up to 6 months.

    Peanut butter oatmeal bars drizzled with chocolate.

    Peanut Butter Oatmeal Bars Recipe Variations

    Feel free to get creative with this recipe and add in your favorite extras. I like non-dairy chocolate chips, raisins, dried cranberries, or even shredded coconut. 

    But, my favorite is to melt down the chocolate chips to use as a chocolate topping for the peanut butter oatmeal bars. Just drizzle on top before you place them in the fridge. Oh, baby!

    Not a fan of peanut butter? Swap it out for almond butter.

    Peanut butter oatmeal bars stacked.

    More Healthy Vegan Desserts

    • 3 Ingredient Banana Oatmeal Cookies
    • No-Bake Chocolate Peanut Butter Cookies
    • Chocolate Peanut Butter Dessert Hummus
    • No-Bake Chocolate Peanut Butter Pie
    Peanut butter oatmeal bars on blue plate.

    I hope you enjoy this healthy Peanut Butter Oatmeal Bars recipe. It’s such a delicious treat everyone is sure to love. Please leave a comment below with a star rating. I would greatly appreciate it.

    Print
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    3 Ingredient Peanut Butter Oatmeal Bars (No Bake)

    ★★★★★

    5 from 11 reviews

    Print Recipe

    Peanut Butter Oatmeal Bars are so easy to make and require only 3 wholesome ingredients with no baking. Kid-friendly, healthy, and the perfect dessert or snack. Vegan and gluten-free.

    • Total Time: 2 hours 10 minutes
    • Yield: 18 bars 1x

    Ingredients

    Scale
    • 1 cup peanut butter
    • ½ cup maple syrup
    • 3 cups rolled oats

    Add-In Options

    • Non-dairy chocolate chips
    • Raisins

     

    Instructions

    1. Line an 8×8 or 9×9 baking dish with wax paper or parchment paper. You could also use a loaf pan if you wish.
    2. In a small saucepan over medium heat, stir the peanut butter and maple syrup together for a few minutes until it’s smooth. 
    3. To a large bowl add the peanut butter mixture to the oats and stir until everything is well combined.
    4. Pour the mixture into the prepared pan and press evenly into the baking dish. Place in the refrigerator until set, cut into squares, and enjoy.

    Equipment

    Rolled Oats

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    Peanut Butter

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    8 x 8 Baking Dish

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    Parchment Paper

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    Spatulas

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    Mixing Bowls

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    Maple Syrup

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    • Author: Shane Martin
    • Prep Time: 10 mins.
    • Refrigerate: 2 hours
    • Category: Vegan Dessert Recipes
    • Method: No Bake
    • Cuisine: Vegan
    • Diet: Vegan

    Nutrition

    • Serving Size: 1 bar
    • Calories: 162
    • Sugar: 5.7 g
    • Sodium: 63.3 mg
    • Fat: 7.6 g
    • Trans Fat:
    • Carbohydrates: 18 g
    • Fiber: 2.7 g
    • Protein: 4.8 g
    • Cholesterol: 0 mg

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    Reader Interactions

    Comments

    1. Carol

      June 17, 2022 at 6:26 pm

      Made these exactly as the recipe says. They turned out perfectly. What a sweet, satisfying nibble. Thank you!

      Reply
    2. Cheryl

      February 04, 2022 at 6:17 pm

      But, how many servings does a recipe make.?

      Reply
      • Shane Martin

        February 06, 2022 at 11:59 am

        It makes 18 bars, 1 serving is 1 bar, so 18 servings.

        Reply
    3. Julie

      October 23, 2021 at 5:07 pm

      How can I get some chocolate in this? Add chips afterwards? How did you get the drizzled chocolate? I love your blog!!!

      Reply
      • Shane Martin

        October 23, 2021 at 7:21 pm

        Hi, Julie and thank you! You can fold them in before you freeze them. As far as the drizzle, I just slowly melted chocolate chips and then drizzled with a spoon. Enjoy!

        Reply
        • Julie

          November 12, 2021 at 8:07 am

          I made these bars twice. The second time I used less oatmeal, and they held together better. ‘Loved the chocolate drizzle over them!

          ★★★★★

          Reply
      • Julie

        November 12, 2021 at 8:16 am

        Just realized I used quick oats instead of regular old fashioned oats, and that may be why the bars were not holding together.

        Reply
        • Shane Martin

          November 12, 2021 at 11:30 am

          Ah, yes. Quick oats are much smaller. Oh, well, I bet they work well in a bowl:)

          Reply
    4. Jasmine

      September 20, 2021 at 8:01 pm

      Hi Shane! I love that you included nutritional info but the serving size is blank. How many servings does a recipe?

      Reply
      • Shane Martin

        September 20, 2021 at 8:59 pm

        It’s updated now. The serving size is 1 square.

        Reply
    5. Kate

      August 31, 2021 at 1:35 am

      Can sun butte be used instead of peanut butter? My kids go to a nut free school.

      Reply
      • Shane Martin

        August 31, 2021 at 3:01 pm

        Absolutely!!!

        Reply
    6. MaryAnn

      June 13, 2021 at 4:41 pm

      Can these be frozen?

      ★★★★★

      Reply
      • Shane Martin

        June 14, 2021 at 2:25 pm

        Absolutely!

        ★★★★★

        Reply
    7. Marta

      May 07, 2021 at 3:32 am

      I made these with honey instead of maple syrup and added craisins. I also used chunky peanut butter. They are amazing! So easy to make and delicious!! I am already thinking about what else I want to add to them next time. Thank you!!

      ★★★★★

      Reply
    8. Marta

      May 02, 2021 at 7:25 am

      I have not made these yet…wondering if I could use honey instead of the maple syrup?

      Reply
      • Shane Martin

        May 02, 2021 at 10:11 am

        Hi, Marta! Yes, you totally can. Many vegans don’t use honey, but many who consider themselves just plant-based will use it in place of maple syrup. But, to answer your question, yes it will work:)

        ★★★★★

        Reply
    9. Elizabeth

      April 20, 2021 at 10:45 pm

      Will this recipe work with the dry peanut butter powder that’s extremely low in fat? I could mix up one cup of it as your recipe calls for.

      Reply
      • Shane Martin

        April 21, 2021 at 6:25 pm

        I’ve not tried but I see no reason why it wouldn’t work.

        ★★★★★

        Reply
        • Barbie

          February 04, 2022 at 8:36 pm

          I made them with PB Pure, so only 10% of the fat and the only sweetness is from the syrup. I mixed up the PB a little wetter than usual and they seemed to hold together fine. Next time I’m going full out with raisins and drizzled chocolate!

          ★★★★★

          Reply
      • inka

        May 23, 2021 at 3:49 pm

        I made these with peanut powder. Mine turned out a bit crumbly so I think natural peanut butter would hold together better. They still tasted great and are a bit lower fat. I would totally make them again with peanut powder. I may make the peanut mixture a bit looser and add flax to help bind.

        ★★★★★

        Reply
    10. Rebekah Jones

      April 20, 2021 at 10:17 pm

      Yummy! I added toasted chopped pecans. So good! Thanks Shane!

      ★★★★★

      Reply
      • Shane Martin

        April 21, 2021 at 6:25 pm

        Sounds awesome. And, thank you so much!!!

        Reply
    11. Shane Martin

      April 20, 2021 at 6:26 pm

      Peanut Butter Oatmeal Bars are so easy to make and require only 3 wholesome ingredients with no baking. Kid-friendly, healthy, and the perfect dessert or snack. Vegan and gluten-free.

      ★★★★★

      Reply
    12. Vickie

      April 20, 2021 at 5:24 pm

      Will this recipe (and your other ones that use peanut butter) work with almond butter? My husband does not like peanut butter and it doesn’t like him. Thanks – Vickie

      Reply
      • Shane Martin

        April 20, 2021 at 6:27 pm

        Almond butter should work just fine. 🙂

        ★★★★★

        Reply

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