Banana Baked Oatmeal Bars

Featured in: Quick Snack Fix

These banana oatmeal bars combine wholesome rolled oats with naturally sweet mashed banana for a soft, chewy texture. Ready in just 25 minutes, they're perfect for meal prep and freezer storage. Customize with chocolate chips, nuts, or dried fruit to suit your taste. The bars set perfectly with a unique oven-resting technique, creating ideal texture for slicing. Each bar delivers balanced nutrition with 23g carbohydrates and 2.5g protein, making them satisfying for breakfast or afternoon snacking.

Updated on Sat, 07 Feb 2026 15:15:00 GMT
Golden-brown baked oatmeal bars studded with chocolate chips, resting on a white plate next to a half-peeled banana. Save
Golden-brown baked oatmeal bars studded with chocolate chips, resting on a white plate next to a half-peeled banana. | blipbite.com

The rain was drumming against my kitchen window last Tuesday when I realized I had three spotted bananas sitting on the counter and zero motivation for a complicated baking project. I threw everything into one bowl, stirred it together with a wooden spoon, and twenty minutes later my apartment smelled like warm vanilla and comfort. These bars have become my go-to for those chaotic mornings when I need something wholesome but refuse to sacrifice flavor.

My sister stayed over last month and woke up to find these cooling on the counter. She ate two before asking if they were actually healthy or if I was tricking her, then proceeded to pack three for her flight home. Now she texts me every time she makes a batch, usually with some variation about what mix-ins she discovered in the back of her pantry.

Ingredients

  • 2 cups rolled oats: Use old-fashioned oats here rather than quick oats for that satisfying chewy texture
  • 1/2 tsp salt: This small amount wakes up all the flavors and balances the sweetness
  • 1 1/3 cups mashed ripe banana: About 3 medium bananas with plenty of brown spots give the best natural sweetness and moisture
  • 6 tbsp water: Helps create the perfect batter consistency without making the bars too dense
  • 3 tbsp pure maple syrup, agave, or honey: Just enough to enhance the bananas sweetness without overpowering
  • 3 tbsp oil, nut butter, or additional water: I love coconut oil for its subtle flavor but almond butter adds wonderful richness
  • 1 tsp pure vanilla extract: Dont skip this, it makes everything taste like a treat
  • 1/3 cup optional mix-ins: Chocolate chips, chopped walnuts, or dried cranberries all work beautifully here

Instructions

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Preheat and prep your pan:
Heat your oven to 350°F and line an 8-inch square baking pan with parchment paper, letting the paper hang over the edges for easy removal later.
Mix your dry base:
Combine the rolled oats and salt in a large mixing bowl, stirring to distribute the salt evenly.
Add all wet ingredients:
Pour in the mashed banana, water, sweetener, oil or nut butter, and vanilla extract. Stir until everything is well combined and the oats are evenly coated.
Fold in your favorites:
Gently mix in any optional add-ins like chocolate chips or nuts, being careful not to overmix.
Spread and bake:
Pour the mixture into your prepared pan and smooth the top with a spatula. Bake for 20 minutes.
Let them set:
Turn off the oven and leave the bars inside for 5 more minutes without opening the door. This step is crucial for the perfect texture.
Cool completely:
Remove from the oven and let cool completely before slicing into 6 to 9 bars.
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Air fry, roast, reheat, and dehydrate meals quickly for crispy snacks and easy weeknight dinners.
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A close-up of soft, chewy baked oatmeal bars with chopped nuts on top, showing a moist interior texture. Save
A close-up of soft, chewy baked oatmeal bars with chopped nuts on top, showing a moist interior texture. | blipbite.com

Last autumn I brought a batch to a morning potluck and watched them disappear within ten minutes. Someone asked for the recipe, and when I explained how simple they were, nobody believed me. Sometimes the most humble recipes are the ones people remember most.

Making Them Your Own

I have discovered that swapping the banana for unsweetened applesauce creates a lighter, brighter bar thats perfect for spring. Pumpkin puree works beautifully in fall, giving the bars a gorgeous golden color and earthy sweetness. Do not be afraid to experiment with the liquid sweetener either. Molasses adds depth while agave keeps things neutral and lets your mix-ins shine.

Storage and Meal Prep

These bars keep in the refrigerator for up to four days, though they rarely last that long in my house. I wrap individual bars in parchment paper and freeze them in a freezer bag, then grab one the night before I want it. They thaw beautifully and taste just as good as fresh baked, maybe even better since the flavors have time to meld together.

Serving Ideas

Sometimes I crumble a bar over yogurt with fresh berries for a quick breakfast parfait. Other days I warm one for 20 seconds and spread a thin layer of peanut butter on top. My kids love them with a glass of cold milk, and I have been known to eat one standing at the counter with coffee at 6 AM.

  • Try toasting a cooled bar under the broiler for 30 seconds to create crispy edges
  • A dollop of Greek yogurt on top adds protein and makes it feel more decadent
  • Pair with a cup of herbal tea in the evening for a surprisingly satisfying dessert
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Homemade vegan baked oatmeal bars sliced into squares, drizzled with maple syrup and ready for a healthy breakfast. Save
Homemade vegan baked oatmeal bars sliced into squares, drizzled with maple syrup and ready for a healthy breakfast. | blipbite.com

There is something deeply satisfying about a recipe that requires minimal effort but delivers maximum comfort. These bars have become my secret weapon for busy weeks and unexpected guests alike.

Kitchen Guide

Can I freeze these oatmeal bars?

Yes, these bars freeze exceptionally well. Store in an airtight container or freezer bag for up to 3 months. Thaw overnight in the refrigerator or enjoy straight from the freezer—they soften quickly at room temperature.

What can I substitute for the banana?

Unsweetened applesauce or pumpkin purée works beautifully as a 1:1 replacement. The texture remains similar, though flavor will vary slightly. Applesauce creates a milder taste while pumpkin adds earthy notes.

How do I know when the bars are done baking?

The bars are ready when the edges are lightly golden and the center feels set but still soft to the touch. The oven-resting step completes the cooking process, so don't worry if they seem slightly underbaked when you first turn off the oven.

Can I make these without added sweetener?

Absolutely. Ripe bananas provide natural sweetness, so you can omit the maple syrup entirely. For those preferring less sweetness, reduce the sweetener to 1-2 tablespoons or use stevia as directed.

Why rest the bars in the oven after baking?

The 5-minute resting period allows the bars to finish cooking gently and set properly without drying out. This technique ensures perfect texture—firm enough to slice cleanly while remaining soft and chewy inside.

Are these suitable for gluten-free diets?

Yes, when using certified gluten-free rolled oats. Standard oats may contain trace gluten from processing facilities, so look for oats specifically labeled gluten-free to ensure safety for those with celiac disease or gluten sensitivity.

Banana Baked Oatmeal Bars

Soft, chewy oatmeal bars sweetened naturally with ripe banana. Customizable, freezer-friendly, and ready in under 30 minutes.

Prep duration
5 min
Heat time
20 min
Complete duration
25 min
Created by Megan Lewis


Complexity Easy

Heritage American

Output 9 Portions

Nutrition Guidelines Meat-Free, No Dairy

Components

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

Method

Phase 01

Prepare the Oven and Pan: Preheat your oven to 350°F (175°C). Line an 8-inch (20 cm) square baking pan with parchment paper or grease well.

Phase 02

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

Phase 03

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

Phase 04

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

Phase 05

Transfer to Baking 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.

Phase 06

Bake and Set: Bake for 20 minutes. Turn off the oven (do not open the door) and let the bars sit inside the closed oven for an additional 5 minutes to set.

Phase 07

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

Tools needed

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

Allergy Details

Review ingredients carefully for potential allergens and seek professional medical guidance if uncertain.
  • 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.

Nutrient breakdown (per portion)

Values shown are estimates and shouldn't replace professional medical consultation.
  • Energy: 125
  • Fats: 3.5 g
  • Carbohydrates: 23 g
  • Proteins: 2.5 g