Banana Peanut Butter Oat Bars

4.98 from 47 votes
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Banana Peanut Butter Oat Bars are made with just 7 ingredients for a healthy, simple snack. Rich in fiber and protein, these oat bars will keep you full and fueled.

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Banana peanut butter bars stacked on top of one another on a white work surface.

Why You’ll Love These Banana Peanut Butter Bars:

Wholesome, nutritious and easily adaptable using your favorite mix-ins. These bars my go-to for healthy, homemade snacks.

Here are all the times these bars come in clutch:

  • When that 3 o’clock crash hits and you just need a little something to tide you over.
  • For breakfast-on-the-go when you need something fueling (see also my Banana Bread Bars.
  • For dessert when you’re craving something sweet but trying to avoid a sugar crash.

Basically, any time the snack craving strikes, these bars will have your back.

They’re chewy, nutty and subtly sweet. (Think baked oatmeal mixed with a peanut butter chocolate chip cookie.)

And for my healthy snack bar recipes, check out my Healthy Pumpkin Bars and Coconut Cashew Bars.

Recipe Ingredients:

Recipe ingredients in separate bowls on a work surface with blue labels.

Many of the ingredients in these bars can be modified based on your preferences/allergies. Here’s what you need:

  • Bananas: Two ripe bananas add natural sweetness and moisture to these bars. If you’re not a fan of banana, use 2/3 cup of pumpkin puree instead.
  • Rolled oats: Use a certified gluten-free brand, such as Bob’s Red Mill, if you need to make these bars 100% gluten free.
  • Peanut butter: Look for a natural, drippy peanut butter that only includes peanuts and salt on the ingredient list. Alternatively, you can almond butter or cashew butter instead.
  • Maple syrup: Any kind of liquid sweetener will do the job, such as honey, agave, or brown rice syrup. However I love the richness of maple syrup, especially paired with nut butter.
  • Chocolate chips: Totally optional, however a little bit of chocolate makes these bars feel indulgent. Alternatively, feel free to use dried fruit or chopped nuts.
  • Coconut oil: Coconut oil adds moisture and chewy goodness to these oat bars.

I also like adding a couple scoops of collagen for a protein boost. You can choose to leave this out, or add ~20g of your go-to protein powder.

See the recipe card below for the complete list of ingredients and quantities.

Substitutions/Additions:

  • Add nuts: Either in addition to or in place of the chocolate chips, walnuts are a wonderful addition that slip in extra heart-healthy fats.
  • Make Vegan: These banana peanut butter bars are naturally vegan as long as you don’t add collagen powder. You can, however, add a scoop of your favorite plant-based protein powder.
  • Make Nut-Free: If you have a nut allergy, sunflower seed butter will work in place of the peanut butter.
  • Add Fruit: I love adding dried cherries to these bars! Their sweet-tart flavor complements the chocolate beautifully.

The Directions:

These homemade granola bars only take 10 minutes to make, and ~20 minutes to bake. Here’s how to make them:

Step 1: Mash the banana in a large bowl until pureed.

Step 2: Add wet ingredients, including peanut butter, maple syrup, coconut oil, and vanilla extract. Mix the ingredients until well-combined.

Banana being mashed and mixed with peanut butter and maple syrup in a white bowl.

Step 3: Stir in dry ingredients, including oats, protein powder/collagen (if using), and salt. Lastly, Next, fold in the chocolate chips and walnuts (if using) and stir to combine.

Chocolate chips being stirred into oat mixture and emptied into an 8x8 inch baking pan.

Step 4: Pour mixture into an 8×8 baking pan and top with some additional chocolate chips. Bake at 350 degrees F for 27-32 minutes, until set.

Let cool completely before slicing into 12 bars and enjoying!

Baked banana peanut butter oat bars topped with chocolate chips on a cutting board.

Recipe FAQs

Can I Make this Recipe Vegan?

These oat bars are naturally vegan without the chocolate chips. In lieu, you can use cacao nibs, dried fruit, or extra chopped nuts. I personally love dried cherries, walnuts, or pecans.

How to Store Oat Bars:

Once the bars completely cool, slice them into pieces and place in an airtight Tupperware container. You can store the bars in the refrigerator or at room temperature, if you prefer. I personally love them both ways, however they do tend to dry out more in the fridge.

Either way, they will last 4 to 5 days if properly stored.

Can I Freeze Oat Bars?

Yes, you can freeze these banana peanut butter bars. Here’s how:

First, let the oat bars cool to room temperature.
Next, slice them into individual squares, and wrap each square in plastic wrap.
Place the bars in an airtight container and store in the freezer for up to 3 months.

To reheat: remove the plastic wrap and warm on a microwave-safe plate for 30-60 seconds.

Two oat bars stacked on top of one another with a fork taking a bite out of bottom bar.

More Healthy Snack Bars to Try:

If you make this recipe, be sure to snap a pic and tag #dishingouthealth on Instagram so I can see your beautiful creations. Lastly, follow along on Facebook and Pinterest for the latest recipe updates!

4.98 from 47 votes

Banana Peanut Butter Oat Bars

Banana Peanut Butter Oat Bars are made with just 6 ingredients for a healthy, simple snack. Rich in fiber and protein, these homemade granola bars will keep you full and fueled.
Prep Time: 8 minutes
Cook Time: 22 minutes
Total Time: 30 minutes
Servings: 12

Equipment

  • Mixing bowl
  • 8×8" baking dish

Ingredients  

  • 2 medium ripe bananas
  • 1/2 cup natural creamy peanut butter
  • 1/2 cup pure maple syrup
  • 3 Tbsp. coconut oil, melted (or avocado oil)
  • 1/2 tsp. vanilla extract
  • 2 cups old-fashioned rolled oats
  • 2 scoops collagen protein (~20g) (sub protein powder of choice)
  • 1/2 cup chocolate chips (sub cacao nibs or dried fruit if making vegan)
  • 1/4 cup finely chopped walnuts (optional)
  • 1/4 tsp. kosher salt
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Instructions 

  • Preheat oven to 350ºF and line an 8×8" baking dish with parchment paper.
  • Place bananas in a mixing bowl and use a fork to throughly mash. Once pureed, stir in peanut butter, maple syrup, oil, and vanilla.
  • Add rolled oats, collagen or protein powder, chocolate chips, walnuts (if using), and salt; stir to combine.
  • Pour mixture into prepared baking dish. If desired, sprinkle a few extra chocolate chips overtop. Transfer to the oven and bake for 28 to 32 minutes, until set.
    Remove from the oven and let cool in the pan for 30 minutes. Use the parchment paper to lift the bars out of the pan and let cool completely before slicing into.
  • Once cooled, slice into 12 bars. (I also like sprinkling some flaky salt overtop, however totally optional.) Refrigerate after 2 days.

Video

Notes

STORING: Place bars in an airtight Tupperware container and store at room temperature for 3 days. After that, refrigerate for up to 3 more days.
FREEZING: Let the bars cool to room temperature before wrapping each square in plastic wrap. Place the bars in an airtight container and store in the freezer for up to 3 months. To reheat: remove the plastic wrap and warm on a microwave-safe plate for 30-60 seconds.

Nutrition

Serving: 1bar | Calories: 220kcal | Carbohydrates: 35g | Protein: 8g | Fat: 13g | Saturated Fat: 5g | Sodium: 90mg | Fiber: 4g | Sugar: 17g

I calculate these values by hand to ensure accuracy, however expect up to a 10% variable depending on food brands.

If you love this recipe, please leave a star rating and review below!

 

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4.98 from 47 votes

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Recipe Rating




114 Comments

  1. Stacey says:

    5 stars
    The family loves them! Great snack!

    1. Jamie Vespa says:

      I’m so glad they were a hit, Stacey! Thanks for coming back and leaving a review!

  2. Kerrigan M. says:

    5 stars
    Delicious!! These will be a staple for our family, thank you!

    1. Jamie Vespa says:

      I’m so glad they were a hit, Kerrigan! Thanks for coming back and leaving a review!

    2. Jen W says:

      What can I use instead of coconut oil?

      1. Tania says:

        I used olive oil! They came out great.

        1. Millette says:

          Thank you adding this!

  3. Samantha Frost says:

    This looks amazing! Any recommendations on a collagen/protein powder?

    1. Jamie Vespa says:

      Hi Samantha – I like Garden of Life collagen personally, but any brand will work! It’s flavorless so it doesn’t affect the flavor of the bars. You could even grab the single serving packets from Whole Foods or Sprouts so you don’t have to purchase a whole tub. Enjoy!

    2. Jamie Vespa says:

      Hi Samantha – I love Garden of Life brand, however any unflavored collagen protein will work! You can even buy the single serving packets so you don’t have to commit to a whole tub.

      1. Traci says:

        5 stars
        These are freaking amazing! I froze mine and they heated up or thawed perfectly for a pre-workout snack. Will definitely be making again.

  4. Milkette says:

    Hi. Can you please reply with a substitute for Coconut Oil? Really LOVE all the ingredients especially peanut butter, oars & bananas; however, need a different oil than Coconut.

    1. Jamie Vespa says:

      Hi there! You can use any oil here – I would stick with something neutral in flavor like canola or avocado oil. Enjoy!

      1. Millette says:

        Thank you.

  5. Andee says:

    Do you have to include the protein powder or can you leave it out?

    1. Jamie Vespa says:

      You can omit it! Enjoy 🙂

  6. Michelle Carpenter says:

    5 stars
    My “go to” when I have ripe bananas. I use slightly less syrup and add coconut and cacao nibs on top. Sometimes I add chopped dried cherries. Delish! Much better than any store bought granola or energy bar!

  7. Alexia says:

    Hi! This recipe sounds great and will try it asap 🙂
    Can I substitute protein powder with anything else?
    Thank you!

  8. zidane says:

    very clear and good article easy to understand. Thank you

  9. Heather D says:

    5 stars
    The whole family loves these. Easy quick tasty breakfast or snack!

  10. Healthy Mama says:

    5 stars
    My husband has been asking me to make them again, so I just made two batches. First batch has dried tart cherries, chopped walnuts, cacao nibs, 2 scoops vanilla protein powder. no syrup or honey. I scattered unsweetened grated coconut over the top prior to baking. Second batch has chopped macadamia nuts, grated coconut, and crunchy peanut butter. Great basic recipe, super easy to put together in a heavy mixer. I prefer the flavor of less ripe bananas, and no syrup or honey. My version more than doubled protein too.

    1. Jamie Vespa says:

      Sounds delish! Thanks for sharing your substitutions!