Peanut Butter Banana Oatmeal Bars

These peanut butter banana oatmeal bars are as nourishing as they are delicious! Soft, chewy, and naturally sweetened with banana, these bars make the perfect grab and go breakfast, after school snack, or a treat any old time.

two peanut butter banana oatmeal bars stacked on parchment paper and a wooden board with more bars in the background

Nutty For Peanut Butter Banana Oatmeal Bars

  • Wholesome Treat: With fiber, healthy fats, and protein, these bars are a wholesome snack that will keep you energized.
  • Quick and Easy: Using simple ingredients and minimal prep, you can make a homemade treat that is delicious and ready in under an hour.
  • Beginner Friendly: This recipe does not require fancy tools. All you need is a fork to mash the bananas, a bowl to mix, a baking pan, and parchment paper for easy removal.
  • Naturally Sweetened: No added sugar here! Just the natural sweetness of ripe bananas (oh, and just a little chocolate) creates the perfect balance of flavors.
rolled oats, baking powder, vanilla, chocolate chips, ground flaxseed, chia seeds, bananas, milk, and walnuts assembled on a wooden board to make peanut butter banana oatmeal bars

Ingredients That Make This Recipe Shine

Wholesome Foundations

  • Rolled oats are the chewy, wholesome base that keeps these bars hearty and satisfying.
  • Ground flaxseed and chia seeds are small but mighty nutrition boosters packed with fiber and omega-3s.
  • Baking powder provides a gentle lift for a lighter, fluffier texture.

Binding & Flavorful Essentials

  • Mashed bananas are naturally sweet and full of moisture, they bind everything together without added sugar.
  • Peanut butter delivers a rich, nutty flavor and a protein punch.
  • Non-dairy milk keeps the bars soft and vegan-friendly.
  • Just a teaspoon of vanilla adds nice flavor and enhances the sweetness.

Finishing Touches

  • Chopped walnuts adds crunch and healthy fats for an extra boost of nutrition.
  • Chocolate chips are the perfect add in because every treat deserves a little indulgence!

How To Make Banana Oatmeal Bars

  1. In a bowl, mix dry ingredients (leave out the nuts and chocolate chips).
  2. Add wet ingredients and mix until incorporated.
  3. Stir in nuts and chocolate chips, press into prepared pan, and bake (as directed below).
  4. Cool in pan before slicing.

Tips To Bake Like a Pro

  • Use very ripe bananas and mash well. Some lumps are fine, but a smooth banana puree is the best way to help everything stick together. I find a hand blender works well and is easy to use.
  • Mix gently because you want all ingredients evenly distributed without overworking the batter.
  • Add the walnuts after mixing in the flour. Dry flour will get into the small crevices in the walnuts and not mix in properly.
  • Press batter firmly into the pan to ensure the bars hold their shape after baking.
  • Add extra chocolate chips and chopped pecans over the top for a melty layer and a bit of crunch.
  • Cool completely before slicing or they may fall apart.
  • Use the parchment paper to lift bars out of the pan for easy slicing on a cutting board.
peanut butter banana oatmeal bars with one on parchment paper and a wooden board with more bars in the background

More Than Just a Snack

  • Breakfast on-the-go: Pair banana oatmeal bars with a cup of coffee or smoothie for a quick and filling start to the day.
  • After school treat: A wholesome option that satisfies both kids and adults.
  • Lunchbox upgrade: Wrap bars individually for easy packing on busy school days.
  • Dessert twist: Warm slightly and drizzle with nut butter or chocolate drizzle. Why not top with ice cream for an even more indulgent treat.
two peanut butter banana oatmeal bars, the top has a bite out it, stacked on parchment paper and a wooden board with more bars in the background

How To Keep Bars Fresh and Chewy

  • Room temperature: Store in banana oatmeal bars an airtight container for up to 3 days.
  • Refrigerator: Keeps bars fresh, if stored in a container, for up to a week.
  • Freezer: Perfect for batch baking! Wrap bars individually or in slices then freeze for up to 2 months. Thaw as needed, or pop a frozen one into a school or work lunch box!

I hope you enjoy this recipe for Peanut Butter Banana Oatmeal Bars as much as I do! Leave a comment and rating below.

two peanut butter banana oatmeal bars stacked on parchment paper and a wooden board with more bars in the background
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Peanut Butter Banana Oatmeal Bars

Servings 16
Prep 15 minutes
Cook 30 minutes
cool 1 hour
Total 1 hour 45 minutes
Soft and chewy banana oatmeal bars are made with simple pantry ingredients for a quick and easy breakfast or anytime snack.

Equipment

  • mixing bowl
  • 9×9 inch pan
  • parchment paper

Ingredients
  

  • cups rolled oats
  • 1 Tablespoon ground flaxseed
  • 2 Tablespoons Chia seeds
  • 1 teaspoon baking powder
  • cups mashed banana
  • ½ cup peanut butter
  • ½ cup non dairy milk
  • 1 teaspoon vanilla
  • ½ cup chopped walnuts coarsely chopped
  • ½ cup chocolate chips
  • ¼ cup chocolate chips optional

Instructions
 

  • Preheat oven to 350˚F and line 9×9 inch pan with parchment paper.
  • In a large bowl stir together 2½ cups rolled oats, 1 Tablespoon ground flaxseed 2 Tablespoons Chia seeds, and 1 teaspoon baking powder.
  • Add 1½ cups mashed banana, ½ cup peanut butter, ½ cup non dairy milk, 1 teaspoon vanilla. Mix until dry ingredients are incorporated.
  • Add in ½ cup chopped walnuts and ½ cup chocolate chips. Stir to combine.
  • Fold mixture into prepared baking pan and press down gently.
  • Sprinkle optional ¼ cup chocolate chips over the top.
  • Bake 30 minutes. Remove from oven and cool completely on a wire rack before slicing.

Nutrition

Calories: 167kcalCarbohydrates: 19gProtein: 5gFat: 9gSaturated Fat: 2gPolyunsaturated Fat: 4gMonounsaturated Fat: 3gTrans Fat: 0.002gSodium: 66mgPotassium: 211mgFiber: 3gSugar: 5gVitamin A: 44IUVitamin C: 2mgCalcium: 53mgIron: 1mg

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one peanut butter banana oatmeal bar on parchment paper with a title
two peanut butter banana oatmeal bars, the top has a bite out it, stacked on parchment paper with a title
two peanut butter banana oatmeal bars stacked on parchment paper with a title
one peanut butter banana oatmeal bar on parchment paper, with sliced bars under the title

Inspired by The Mindful Hapa

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