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Home » Recipes » Breakfast & Brunch

Blueberry Banana Oat Bars

Published: Apr 10, 2019 · Modified: Aug 26, 2021 by Angela Allison · This post may contain affiliate links.

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Your new favorite way to use up ripe bananas! This healthy and simple recipe for Blueberry Banana Oat Bars is so easy and tasty. Make ahead and have a delicious and healthful breakfast or snack at any time.

Blueberry Banana Oat Bars stacked on each other on a white background

What is it with bananas and avocados that they seem to take forever to ripen and then suddenly turn brown?! I’m still out on what to do with an overripe avocado. As for bananas, I look forward to seeing those brown spots progress.

There are so many delicious breakfast and snack treats you can make with overripe bananas. These Blueberry Banana Oat Bars are definitely one of them.

I came up with the recipe when I had, once again, way too many ripe bananas on my hands. Needing a change from my Classic Banana Bread recipe and my Whole Wheat Banana Muffins (which are both super delicious by the way!) I also decided to incorporate some equally sad looking blueberries I had in the fridge. For a vegan option, check out Eggless Banana Bread.

three breakfast bars stacked on each other

This recipe is inspired by those trendy baked oatmeal recipes, which are amazing, by the way. I personally love this recipe for 1 Bowl Baked Oatmeal from Sally’s Baking Addiction. However, what I prefer about mine is that you don’t have to heat it up or serve with milk, you can just grab and go. It’s almost like eating a tasty dessert bar, except that it’s good for you!

Notice that there is no oil or butter used in the recipe… not a mistake! You just don’t need it with the ripe bananas. These bars turn out perfect with no added fat.

What are Banana Oat Bars?

These Blueberry Banana Oat Bars are a cross between oatmeal and a muffin. They are highly portable and completely make ahead, ideal for a grab-and-go healthy breakfast.

Firstly, mash your overripe bananas in a large bowl. Then stir in the brown sugar and egg. This recipe calls for only a ¼ cup of brown sugar, but you could keep it out entirely if you wanted. Also, you could substitute maple syrup for an equally delicious bar.

three bars stacked on a plate

Next, stir in the remaining ingredients and pour half the batter into a greased 8 x 8 or 9 x 9 inch greased baking pan. Sprinkle on the blueberries then cover with the remaining batter.

Let the bars cool before cutting and refrigerating. Alternately, you can freeze them in an airtight container for up to two months.

blueberry banana oat bars stacked on each other on a piece of white parchment paper

Tried these bars? Be sure to comment below and let me know how you liked them!

Blueberry Banana Oat Bars stacked on each other on a white background

Blueberry Banana Oat Bars

Your new favorite way to use up ripe bananas! This healthy and simple recipe for Blueberry Banana Oat Bars is so easy and tasty. Make ahead and have a delicious and healthful breakfast or snack at any time.
5 from 11 votes
Print Pin Rate
Course: Breakfast
Cuisine: American
Prep Time: 5 minutes
Cook Time: 30 minutes
Total Time: 35 minutes
Servings: 12 servings
Calories: 90kcal
Author: Angela Allison

Ingredients

  • 3 ripe bananas, mashed
  • 1 large egg
  • ¼ cup brown sugar
  • 2 cups rolled oats
  • ¼ cup whole wheat flour
  • ½ teaspoon cinnamon
  • ½ teaspoon baking soda
  • ¼ teaspoon salt
  • 1 cup blueberries

Instructions

  • Preheat oven to 350 degrees. Grease an 8 x 8 or 9 x 9 inch baking pan with cooking spray. Set aside.
  • In a bowl, stir together the bananas, egg, and brown sugar. Add in the oats, flour, cinnamon, baking soda, and salt, and mix to combine. Pour half of the batter into the pan. Sprinkle the blueberries over the batter then pour the remaining batter over the blueberries. 
  • Bake for 30-35 minutes until bars are set and a toothpick inserted in the bars comes out clean. Let cool slightly before cutting. 

Notes

  • Make ahead and store in an airtight container in the refrigerator for up to a week. Can also be frozen for up to two months.
  • Feel free to substitute other berries for the blueberries. 
  • To make gluten-free, use ground up oats in place of the whole wheat flour. 
  • Make even healthier by adding 2 tablespoons chia seeds and flax seeds to the batter. 
  • To make vegan, substitute maple syrup for the brown sugar and omit the egg altogether. 

Nutrition

Calories: 90kcal | Carbohydrates: 17g | Protein: 3g | Fat: 1g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Trans Fat: 1g | Cholesterol: 16mg | Sodium: 102mg | Potassium: 81mg | Fiber: 2g | Sugar: 6g | Vitamin A: 30IU | Vitamin C: 1mg | Calcium: 16mg | Iron: 1mg
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blueberry banana oat bars
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Comments

  1. KATHY

    August 10, 2022 at 2:43 pm

    CAN YOU DOUBLE RECIPE AND MAKE IN 9 X13 PAN??

    Reply
    • Angela Allison

      August 16, 2022 at 10:22 am

      Sure! It will just need to bake a bit longer since it’s a thicker bar. I would add about 5-10 minutes to the bake time and then test it with a toothpick.

      Reply
  2. MJ

    February 19, 2022 at 2:39 pm

    Any thoughts on excluding the brown sugar? Want to make for my
    2 year old!

    Reply
    • Angela Allison

      February 20, 2022 at 6:07 am

      You can try using honey or maple syrup instead, or just omit it altogether.

      Reply
  3. Sarah

    January 25, 2022 at 6:52 pm

    5 stars
    Delicious and very easy

    Reply
  4. Katie

    April 29, 2020 at 6:26 am

    5 stars
    My second time making these and they just keep tasting better and better after every bite! They are so yummy and a great preform out snack for me! I love them! I will be making these every single week!
    The first time I only used two bananas… the second time I followed the recipe and used three and noticed a blast of flavor difference. Definitely needs three bananas!

    Reply
  5. Marie-Charlotte Chatelain

    February 21, 2020 at 6:23 am

    5 stars
    The perfect grab and go breakfast! LOVE the blueberry banana combo! And with frozen blueberries, I can make those all year round

    Reply
  6. David

    February 21, 2020 at 6:22 am

    5 stars
    what a great start to the day! and as you say, a super use of bananas that have gotten a bit too ripe. Now, to find a similar way to repurpose those avocados…

    Reply
  7. Elizabeth

    February 21, 2020 at 6:06 am

    5 stars
    This is a perfect recipe for those super rushed mornings when the teenager won’t get out of bed on time to eat breakfast! I can throw one of these in her hand as she runs out the door to catch the bus!

    Reply
    • angelakallison

      February 21, 2020 at 9:32 am

      Yes! I totally agree 🙂

      Reply
  8. Kushigalu

    February 21, 2020 at 5:58 am

    5 stars
    One of my favorite combo. These bars looks so delicious. Love it!

    Reply
  9. Danielle

    February 21, 2020 at 4:07 am

    5 stars
    It can easily become my new favorite way to start a day – healthy, delicious and so nice. Yum!

    Reply

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Angela Allison from This Delicious House.

Hi there, I'm Angela!

I’m a wife, mother of three, and lover of simple and delicious make-ahead food!

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