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    Home » Recipes » Desserts

    Peanut Butter Oatmeal Bars

    Modified: May 16, 2025 · Published: May 8, 2018 by Sarah Jenkins. This post may contain affiliate links. See the Privacy Policy at the bottom of this page.

    Jump to Recipe

    Baked Peanut Butter Banana Oatmeal Bars are a great healthy snack, and these are the BEST, with a delicious peanut butter flavor combined with bananas and chocolate chips.

    peanut butter chocolate banana bars on plate.

    Why These Bars Are My Favorite.

    • Incredibly easy to make! Seriously - these bars come together quickly, and bake in under 30 minutes!
    • Serious flavor. Peanut butter, chocolate chips, banana, and walnuts - need I say more?
    • Delicious chewy texture. Exactly what you want in a bar.
    • Great for dessert, or as breakfast bars! Rich, chewy, decedent, and completely acceptable as a dessert or for breakfast (don’t judge – they have oats and eggs in them so in my book, that counts toward the first meal of the day.) 

    Seriously – make these oatmeal bars, and whatever kind of day you’re having will be insanely better. I promise. (Looking for a gluten-free oatmeal dessert? Try these delicious gluten free oatmeal raisin cookies.)

    peanut butter chocolate banana bars ingredients on table.

    Key Ingredients

    It's pretty likely that you'll have most of what you need for these peanut butter banana oatmeal bars on hand already. You'll need your basic baking staples, like baking soda, flour, salt, vanilla extract, eggs and butter. Plus:

    • Brown sugar. I've tried making these oatmeal bars with both white and brown sugar, and the brown just gives them so much more depth.
    • Oats. Use old-fashioned oats here.
    • Banana. Use a ripe banana here, similar to what you would use in a banana bread. The banana flavor is so good with the peanut butter and makes these bars feel extra moist and substantial.
    • Chocolate chips and walnuts. These are optional add-ins, but if you're feeling a bit chunky-monkeyish, they're a fantastic option.
    • Half n half. Just a couple of tablespoons to ensure these oatmeal are extra moist!

    How To Make Peanut Butter Banana Oatmeal Bars

    Making these baked peanut butter oatmeal bars is a snap. Here's what you do:

    1. Cream the butter and brown suger with a hand mixer or in a stand mixer. Then, add in your eggs, half n half, vanilla and peanut butter, one at a time.
    2. Add in the chopped banana. Try your best to not mash the banana here - you want to preserve some of those banana chunks!
    3. Mix the dry ingredients together - your flour, oats, salt and baking soda., then slowly add the mixture to your peanut butter/sugar mixture.
    4. Carefully stir in your chocolate chips and walnuts.
    5. Press the batter into a square baking pan and bake for 25-30 minutes.

    I hope you try these peanut butter oatmeal bars. They're great for an after-school snack, breakfast, or dessert - anytime! Oh, and these oat bars also keep well in the freezer for about 12 weeks.

    peanut butter chocolate banana bars on plate.

    If you do try these peanut butter oatmeal bars, I'd love to hear how you liked them in the comments below. Or, tag me with a pic on Instagram @frontrangefed!

    More Delicious Baked Goods

    • Apple Cranberry And Walnut Quick Bread
    • Cinnamon Sugar Soft Pretzels
    • Easy Moist Pumpkin Bread With Chocolate Chips
    • Homemade Cinnamon Raisin Bread
    • Soft Pumpkin Cookies With Cream Cheese Frosting
    • Peanut Butter Pretzel Bites
    • Chewy Chocolate Chip Walnut Cookies

    Recipe

    peanut butter chocolate chip oatmeal bar on plate.

    Peanut Butter Oatmeal Bars

    Author: Sarah Jenkins
    These baked peanut butter oatmeal bars are a great healthy snack, and these are the BEST, with a delicious peanut butter flavor combined with bananas and chocolate chips.
    5 from 1 vote
    Print Recipe Pin Recipe
    Prep Time 10 minutes mins
    Cook Time 30 minutes mins
    Total Time 40 minutes mins
    Course Breakfast, Dessert
    Cuisine American
    Servings 9 bars
    Calories 523 kcal

    Ingredients
      

    • ¾ cup butter
    • 1 cup brown sugar
    • 2 large eggs
    • 1 teaspoon vanilla extract
    • 2 tablespoon half n half
    • ½ cup peanut butter
    • 1 banana (ripe), chopped into small pieces
    • 1 cup flour
    • 1 cup oats
    • 1 teaspoon salt
    • ½ cup walnuts
    • ½ cup chocolate chips

    Instructions
     

    • Preheat your oven to 350 degrees and butter an 8x8 inch rectangular pan well.
    • Cream the butter and brown sugar together with a hand mixer or in a stand mixer.
    • Add eggs, vanilla, half n half, and peanut butter, one at a time, to the butter and sugar mixture. Add the chopped banana (try your best not to mash the banana into the mixture – the goal is to preserve some banana chunks in the mix.).
    • Mix together the flour, oats, salt, and baking soda.
    • Slowly add the dry ingredients to the wet ingredients and mix until just combined.
    • Stir in chocolate chips and walnuts
    • Bake in the oven for around 25 - 30 minutes, or until you insert a toothpick and it comes out clean.
    • Let bars cool completely before slicing.

    Nutrition

    Calories: 523kcalCarbohydrates: 54gProtein: 9gFat: 32gSaturated Fat: 14gPolyunsaturated Fat: 6gMonounsaturated Fat: 9gTrans Fat: 1gCholesterol: 78mgSodium: 465mgPotassium: 288mgFiber: 3gSugar: 33gVitamin A: 547IUVitamin C: 1mgCalcium: 62mgIron: 2mg
    Keyword banana, chocolate cake, oat bars, peanut butter, walnuts
    Tried this recipe?Let me know how it was!

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    Comments

      5 from 1 vote (1 rating without comment)

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      Recipe Rating




    1. Deborah Singer says

      January 15, 2020 at 2:17 pm

      The typo says: if your bladder feels to dry add some half and half? What??? Lol!

      Reply
      • Sarah Jenkins says

        April 14, 2020 at 12:49 pm

        LOL! Thanks for the catch! That's supposed to be "batter". Haha!

        Reply
    Sarah Jenkins

    Hi, I'm Sarah! I love creating dishes based on what's in season and using local ingredients as often as I can. I hope you'll find some new to you recipes here that will inspire you to make something delicious!

    More about me →

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