Banana Baked Oatmeal Bars

Featured in: Breads & Sweet Bakes

These wholesome banana baked oatmeal bars combine rolled oats with ripe mashed banana for natural sweetness and a soft, chewy texture. Ready in just 25 minutes with only 5 minutes of prep, they make an ideal make-ahead breakfast or healthy snack.

The base requires simple pantry staples: oats, banana, pure maple syrup, and a touch of vanilla. You can customize them endlessly with chocolate chips, nuts, dried fruit, or seeds. They bake up beautifully and set perfectly with a clever oven-resting technique.

These bars store well in the refrigerator for up to 4 days or freeze for 3 months, making them excellent for batch cooking. They're naturally dairy-free and can be gluten-free with certified oats.

Updated on Sat, 07 Feb 2026 08:33:00 GMT
Perfectly baked Baked Oatmeal Bars packed with bananas and chocolate chips on a rustic wooden board. Save Pin
Perfectly baked Baked Oatmeal Bars packed with bananas and chocolate chips on a rustic wooden board. | vectoroven.com

Last Tuesday morning I stood in my kitchen with three spotted bananas and zero ambition. These oatmeal bars saved the day and now they are my go to breakfast emergency solution. The whole house smelled like warm vanilla while they baked and my roommate actually emerged from her room asking what I was making. Now I keep a batch in the freezer always ready for those frantic weekday mornings.

My mom started making these when my brother joined soccer practice and needed portable breakfasts that actually fueled him. The first time I made them for a group hike everyone kept asking where I bought such perfect bars. Now they are requested at every friend brunch and potluck I attend.

Ingredients

  • Rolled oats: Use old fashioned rolled oats here because instant oats turn into mush and steel cut stay too crunchy. I have learned this the hard way after three failed batches.
  • Salt: Just half a teaspoon but it wakes up all the flavors and prevents these from tasting like plain breakfast cardboard.
  • Ripe bananas: The browner the spots the better because they provide maximum natural sweetness and moisture without any added sugar needed.
  • Water: This seems minimal but it creates the right consistency without overpowering the other flavors or making the bars too wet.
  • Pure maple syrup: Agave and honey work too but maple gives this caramel undertone that pairs beautifully with banana and oats.
  • Coconut oil: Nut butter adds protein but coconut oil gives these bars the most incredible chewy edges and keeps them tender inside.
  • Pure vanilla extract: Do not skip this because it bridges the gap between the earthy oats and sweet fruit making everything taste intentional.
  • Chocolate chips: Totally optional but my personal favorite addition because they melt into little pockets of chocolate throughout each bar.

Instructions

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Preheat your oven and prepare the pan:
Set your oven to 350°F and line an 8 inch square pan with parchment paper letting some hang over the sides for easy removal later. This little detail saves so much frustration when trying to get the bars out intact.
Mix the dry ingredients together:
Combine your rolled oats and salt in a large mixing bowl. Give them a quick whisk to distribute the salt evenly so every bar has the same balanced flavor.
Add all wet ingredients:
Pour in your mashed banana water maple syrup oil and vanilla. Everything can go in at once and stirred together until combined which is why this recipe is so beautifully simple.
Fold in your mix ins:
Gently stir in chocolate chips nuts or dried fruit if using them. Be gentle here to avoid mashing the bananas too much which changes the texture of the final bars.
Spread and bake:
Pour the mixture into your prepared pan and use a spatula to press it down evenly. The pan will look very full but trust the process. Bake for 20 minutes then turn off the oven and let them sit inside for 5 more minutes without opening the door.
Cool completely before slicing:
This is the hardest part but absolutely necessary. Let the bars cool completely in the pan then use the parchment overhang to lift them out before slicing into 6 to 9 pieces. Warm bars crumble so patience pays off here.
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Quickly chop vegetables, blend sauces, and prepare dips or dressings for fast, everyday meal prep.
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Golden brown Baked Oatmeal Bars are sliced and ready to eat with a glass of milk. Save Pin
Golden brown Baked Oatmeal Bars are sliced and ready to eat with a glass of milk. | vectoroven.com

These bars became my signature contribution to a monthly breakfast club at work. People started actually looking forward to my turn and someone once asked if I would sell them which is the highest breakfast compliment I can imagine receiving.

Make Them Your Own

The base recipe stays consistent but I have discovered so many variations through happy kitchen accidents. Pumpkin puree creates these autumn spiced bars that taste like fall morning. Unsweetened applesauce makes them lighter and more summery while still holding together perfectly. Each variation teaches you something new about texture and flavor balance.

Storage Secrets

Fresh bars last about four days in the refrigerator but the freezer is where they really shine. Wrap each bar individually in parchment then store in a freezer bag for up to three months. They thaw at room temperature in about an hour or can go straight into the microwave for 30 seconds if you need immediate breakfast intervention.

Serving Ideas

These bars shine on their own but a few simple additions make them feel like a restaurant breakfast. A smear of almond butter across the top adds creaminess and extra protein. Greek yogurt on the side cuts through the natural sweetness. They even crumble beautifully over oatmeal or smoothie bowls for added texture.

  • Warm a bar for 15 seconds before eating to reactivate the chocolate chips
  • Pack with a piece of fruit for a complete portable breakfast
  • Crumble over vanilla ice cream for an unexpected dessert twist
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Warm homemade Baked Oatmeal Bars featuring mashed bananas and oats, a wholesome healthy breakfast snack. Save Pin
Warm homemade Baked Oatmeal Bars featuring mashed bananas and oats, a wholesome healthy breakfast snack. | vectoroven.com

There is something so satisfying about having homemade breakfast ready without any morning effort. These bars started as desperation baking and became one of those recipes I cannot imagine living without.

Recipe FAQs

Can I make these oatmeal bars without banana?

Yes, you can substitute the mashed banana with unsweetened applesauce or pumpkin purée in equal amounts. This will change the flavor slightly but maintain the moisture and binding properties needed for the bars.

How do I know when the bars are done baking?

The bars are ready after 20 minutes at 350°F when the edges are lightly golden. The unique technique of letting them rest in the closed oven for an additional 5 minutes helps them set completely without overbaking.

What's the best way to store these bars?

Store cooled bars in an airtight container in the refrigerator for up to 4 days, or freeze individually wrapped portions for up to 3 months. They thaw quickly at room temperature or can be warmed in the microwave.

Can I add protein powder to make them higher in protein?

Absolutely. Add one scoop of your favorite protein powder to the batter and reduce the oats slightly to maintain the right consistency. This works particularly well with vanilla or unflavored protein powders.

Are these bars suitable for meal prep?

These are excellent for meal prep. The entire batch comes together quickly, and they store beautifully in the refrigerator or freezer. Make a double batch on Sunday and you'll have breakfast or snacks sorted for the week.

What mix-ins work best in these oatmeal bars?

Chocolate chips, chopped walnuts or pecans, dried cranberries or raisins, chia seeds, and hemp hearts all work wonderfully. You can also add shredded coconut, cinnamon, or chopped dried apricots for variety.

Banana Baked Oatmeal Bars

Wholesome banana oatmeal bars that are soft, chewy, and perfect for meal prep. Customizable, freezer-friendly, and ready in under 30 minutes.

Time to prepare
5 minutes
Time to cook
20 minutes
Overall Time
25 minutes
Created by Lucas Jenkins


Level Easy

Cuisine American

Makes 6 Portions

Special Diets Meat-Free, No Dairy

What You Need

Dry Ingredients

01 2 cups rolled oats
02 1/2 tsp salt

Wet Ingredients

01 1 1/3 cups mashed ripe banana (about 3 medium bananas)
02 6 tbsp water
03 3 tbsp pure maple syrup, agave, or honey, or stevia equivalent
04 3 tbsp oil (such as coconut, vegetable), nut butter, or additional water
05 1 tsp pure vanilla extract

Optional Mix-Ins

01 1/3 cup chocolate chips, chopped nuts, dried fruit, or seeds

How-To Steps

Step 01

Prepare the Oven and Pan: Preheat your oven to 350°F. Line an 8-inch square baking pan with parchment paper or grease thoroughly.

Step 02

Combine Dry Ingredients: In a large mixing bowl, combine the rolled oats and salt.

Step 03

Mix Wet Ingredients: Add the mashed banana, water, maple syrup or sweetener of choice, oil or nut butter, and vanilla extract to the bowl. Stir until evenly combined.

Step 04

Add Optional Mix-Ins: Fold in any optional mix-ins such as chocolate chips or nuts if desired.

Step 05

Transfer to Pan: Pour the mixture into the prepared baking pan and use a spatula to smooth the top. Sprinkle additional chocolate chips or nuts on top if desired.

Step 06

Bake and Set: Bake for 20 minutes. Turn off the oven without opening the door and let the bars sit inside the closed oven for an additional 5 minutes to set.

Step 07

Cool and Slice: Remove from the oven, allow to cool completely, then slice into 6–9 bars.

Step 08

Store: Store leftovers in an airtight container in the refrigerator for up to 4 days or freeze for up to 3 months.

What You’ll Need

  • 8-inch square baking pan
  • Mixing bowl
  • Spatula or spoon
  • Measuring cups and spoons
  • Parchment paper (optional)

Allergy Details

Review every component for allergens. See a health expert if unsure.
  • Contains oats (check for gluten-free certification if needed)
  • May contain nuts if nut butter or nuts are used
  • Honey is not vegan; use maple syrup or agave for vegan option
  • Always check ingredient labels for allergens if unsure

Nutrition details (each serving)

Only for informational use—this isn't a substitute for a doctor's advice.
  • Energy: 125
  • Fat Content: 3.5 grams
  • Carbohydrates: 23 grams
  • Proteins: 2.5 grams