Peanut Butter and Banana Oat Bars, Soft-Baked

by Easy Recipes

 These simple soft baked peanut butter and banana oat bars are a great breakfast or snack option for kids and parents alike.  They make oatmeal portable so you can take it along to the park, and have great staying power for hungry bellies!

My kids love peanut butter oatmeal.  It’s a great breakfast that I feel great about giving them.  It’s also messy.  My daughter especially ends up with it all over her hands, face, clothes- heck, even in her hair.  So I wanted to find something that I could give them instead and feel just as good about, but have it be less mess.

The more I looked at peanut butter oatmeal bar recipes, the more I saw a common criticism in reviews: dryness.  So I decided to add a banana to give these bars a boost of moisture and softness, as well as some natural sweetness.  They also only use one banana, so these are great if you don’t have enough for banana bread muffins, but still want something to do with an overripe one.

Above image, pin text reads "peanut butter & banana oatmeal bars", below is an image of finished bars on a cutting board with one shown held in a left hand. There is an arrow pointing to the bar being held with call out text reading "sweetened with maple syrup (no added sugar)"

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Why you’ll love these soft baked oatmeal bars

  • Portable- these are great snacks to take to the park or school; you may need to use sunbutter to be allergen-friendly.
  • No extra sugar- they use maple syrup and a banana to sweeten them instead of sugar- though there is some in the peanut butter I use.
  • Less mess- way less cleanup after breakfast than traditional oatmeal with toddlers.
  • Filling- the main ingredient is rolled oats, so these bars have great staying power.
  • Kid-friendly- this flavor combination is a huge hit with the littles.

Let’s get started!  Here’s what you’ll need:

Equipment Needed to Make Oatmeal Bars

  • 8″x8″ baking pan
  • 2 bowls- one of which needs to be microwave safe
  • Spatula
  • Fork (or whisk)
  • Parchment paper (optional)

Ingredients For Your Peanut Butter and Banana Oat Bars

Ingredients on kitchen counter for peanut butter and banana oat bars

Dry Ingredients

  • 1 cup rolled oats
  • 1/3 cup flour
  • 1 tsp cinnamon
  • 1/2 tsp baking powder
  • 1/8 tsp (just a dash) salt

Wet Ingredients

  • 2 tbsp butter
  • 2 eggs
  • 3 tbsp peanut butter
  • 2 tbsp maple syrup
  • 1/2 tsp vanilla
  • 1 overripe banana

I also recommend using cooking spray to grease the pan.

Instructions to Make Peanut Butter and Banana Oat Bars

Step 1: Preheat your oven to 325 F.  Add the dry ingredients (rolled oats, flour, cinnamon, baking powder, and salt) to a bowl and stir them together.

Step 2: Put the butter in your microwave safe bowl and melt it.  Add the eggs and vanilla, and whisk them with a fork (or whisk) into the butter.  Then add the banana and mash that until it’s well combined with the eggs and butter.  Add your peanut butter and maple syrup, then stir until smooth.

Two bowls, one with dry ingredients mixed, the other with the mixed wet ingredients

Step 3: Combine the wet and dry ingredients and mix until well combined.

Step 4: Prepare your 8×8 pan- you can use parchment paper to make it easier to remove, I find that a generous spray of cooking spray works fine on it’s own.  Pour the batter into the pan and spread evenly.

Step 5: Bake for 30 minutes.  Once cooled, cut into squares.

Finished peanut butter and banana oat bars on cutting board cut into 9 squares

What to serve with your oatmeal breakfast bars

I love these because they really don’t need a side.  They have a complex carbrohydrate in the oats, eggs, and fruit.  It’s really a pretty complete breakfast!  But since 1 banana into 9 bars isn’t a lot of fruit, that’s what I usually offer alongside these.

How to Reheat & Store Peanut Butter and Banana Oat Bars

Best Way To Store Oatmeal Breakfast Bars

The best way to store peanut butter and banana oat bars is in an airtight container in the fridge, where it is best consumed within 5 days.

Can I Freeze These Soft Baked Bars?

Yes! You can absolutely freeze these in a freezer safe container for up to 3 months.  To avoid thawing and refreezing, portion it into sizes you’ll use before freezing.  I typicallly use a freezer safe ziplock or silicone bag so they fit in the nooks a

nd crannies of my freezer- there usually aren’t many left from the batch!

How to Reheat Peanut Butter and Banana Oat Bars

I generally serve them straight out of the fridge- especially if they’re being taken for an on-the-go activity and will probably get lukewarm in my purse or diaper bag.  They’re also great reheated in a toaster or conventional oven for 3-5 minutes, or the microwave for 15-20 seconds.

Questions about Peanut Butter and Banana Oat Bars

I don’t have real maple syrup, what else can I use?

While nothing will give quite the same flavor profile as real maple syrup, if you prefer to avoid added sugar you can use honey instead.  If I was out of maple syrup, then my preference would be to use brown sugar.  In that case, only warm your butter enough to soften it and cream the butter and sugar together first before adding the eggs.

If not adding any actual sugar is important to you, then be sure to check your peanut butter as well.  I use a store brand with 1 gram per tablespoon, but you should use what you like for your family.

I have a banana but it isn’t over ripe yet- will that be OK?

Firm bananas are a pain to mash sufficiently for good mixing, and the sugars haven’t developed in them, so it definitely won’t taste as sweet (and these aren’t overly sweet to begin with).  The banana experts over at Chiquita recommend baking them in the peels on a baking sheet lined with parchment paper in a 300 degree oven for 15-20 minutes, rotating them halfway through.  Alternatively, you can peel the banana (so it doesn’t explode) and microwave it 30 seconds at a time.  The sugars don’t develop as well in the microwave, but it’s better than using an underripe banana.

How do I get the bars out of the pan?

If you used parchment paper you can just lift them out by the paper.  If you only used cooking spray, allo

w the pan to cool a bit and then flip it over onto a cooling rack, then flip it from the cooling rack to the cutting board.  Here’s a visual:

Pan upside down on a cooling rack so that the bars fall out of the pan and are now resting upside down on the rack.

What allergen substitutions do you recommend?

Peanut butter is a pretty common allergen, if you need or prefer to avoid it another nut or seed butter like almond or sunbutter will work fine instead.

To make this recipe dairy free, use coconut oil instead of butter, or this butter alternative.

If you want to make the peanut butter and banana oat bars gluten free, substitute a gluten free flour, this is the one I prefer when my GF relatives are staying with us.  Also check the packaging of your oats- because while oats themselves are naturally gluten free, many are processed in facilities where cross contamination with wheat products isn’t a concern.

Other Kid Friendly Recipes You’ll Love

Don’t Forget To Come Back and Let Me Know How Your Peanut Butter and Banana Oat Bars Turned Out!

Yield: 9 Bars

Peanut Butter and Banana Oat Bars, Soft-Baked

Finished peanut butter and banana oat bars on cutting board cut into 9 squares

These easy soft baked oatmeal bars are a great on-the-go breakfast or snack.

Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes

Ingredients

  • 1 cup rolled oats
  • 1/3 cup flour
  • 1 tsp cinnamon
  • 1/2 tsp baking powder
  • 1/8 tsp salt
  • 2 tbsp butter
  • 2 eggs
  • 3 tbsp peanut butter
  • 2 tbsp maple syrup
  • 1/2 tsp vanilla
  • 1 medium overripe banana

Instructions

    1. Preheat your oven to 325 F.  Add the oats, flour, cinnamon, baking powder, and salt to one bowl and stir them together.

    2. Melt your butter in another bowl, and beat in the eggs, vanilla, peanut butter, maple syrup, and mashed banana.

    3. Stir your wet ingredients into the dry until just combined. Add batter to a greased 8x8 baking pan.

    4. Bake for 30 minutes. Cut into squares once cooled.

Notes

For chewier, stickier bars, reduce flour to 1/4 cup.

Nutrition Information:

Yield:

9

Serving Size:

1

Amount Per Serving: Calories: 146Total Fat: 7gSaturated Fat: 3gTrans Fat: 0gUnsaturated Fat: 4gCholesterol: 48mgSodium: 121mgCarbohydrates: 17gFiber: 2gSugar: 5gProtein: 4g

Nutrition information is provided as a courtesy and is an estimate. It is recommended to use your preferred calculator with the actual ingredients you use for optimal accuracy.

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