Yummy Banana Oatmeal Bars

As seen in One-Pan Wonders for Easy Cleanup.

Grab one of these chewy banana oat bars when you want something easy and good. They’re simple to throw together with rolled oats, smashed banana, and a handful of everyday items. You can make them sweeter with honey or maple syrup, and toss in chocolate chips or nuts if you’d like. Bake until they get golden, then stash them in your fridge or freezer to have a handy, tasty snack whenever you want.

Breanna
Created By Breanna
Last updated on Mon, 07 Jul 2025 23:38:18 GMT
A small chunk of chocolate and nuts showing in a square bar. Save Pin
A small chunk of chocolate and nuts showing in a square bar. | foodiffy.com

I've leaned on these cozy banana oatmeal bars for years when I need something fast for breakfast or snacks. They're loaded with good-for-you stuff, naturally sweet, and great for prepping ahead or grabbing as you head out the door.

This idea popped up when my mornings got hectic and I needed something that traveled well. Now, my family wants them all the time, especially for car rides. They're always a hit and don't cause any sugar crashes.

Tasty Ingredients

  • Optional add-ins: toss in chocolate chunks, nuts, dried berries, or seeds if you want something extra
  • Vanilla extract: gives the bars a warm, cozy background note
  • Oil or nut butter: brings some fat and smoothness
  • Pure maple syrup: gives a deep caramel-like sweetness instead of using table sugar
  • Salt: balances all the flavors and tones down the sweetness
  • Water: keeps things together and works without packing on calories
  • Mashed banana: keeps it sweet naturally and adds moisture
  • Rolled oats: main base, packs in fiber and makes you feel full longer

Simple Step Guide

Cool and Cut:
Let your baked bars chill out in the pan until totally cool. Grab the sides of the parchment and set it on a board. Slice into bars, using a sharp knife and wiping it off after each cut for neat lines.
Bake and Set:
Slide the pan into the oven and bake for 20 minutes so the edges get golden. Then, leave the oven shut, turn off the heat, and let them rest 5 more minutes. The bars finish firming up in that leftover warmth for the best chewy bite.
Press in Pan:
Drop the mix into your lined pan and use a spatula or spoon to push it out evenly. Press everything down tight so they'll stick together after baking.
Mix in Extras:
Gently add those extra goodies you picked (like chocolate, fruit, or nuts). Hold a little back to sprinkle on top for looks.
Stir Everything Together:
Dump your oats, mashed bananas, maple syrup, oil, water, salt, and vanilla in a big bowl. Mix until it all comes together and looks damp and sticky.
Oven Prep:
Start by setting your oven to 350°F. While it heats up, line an 8-inch square baking dish with parchment or give it a good grease so your bars pop out easily later.
A chocolate and peanut butter cake square sitting on a plate. Save Pin
A chocolate and peanut butter cake square sitting on a plate. | foodiffy.com

The real magic here is mashed banana. It acts like glue, no eggs needed, and packs in potassium while making things moist—not dry. One time, I took a batch to a family get-together and my choosy nephew had three before he knew they were actually good for him!

Best Ways to Store

Busy week? These bars have your back. Once they're totally cool, wrap each one in parchment and stack in a sealed container. They'll last 3-4 days in the fridge and still stay chewy and tasty. If you're thinking long-term, freeze them for up to three months. I lay them on a baking sheet first, then toss them in a freezer bag after they're solid. That way, nothing sticks together.

Switch It Up

This dish is all about options. For a protein hit, add your go-to protein powder or throw in collagen instead of chocolate chips. Want them vegan? Go for maple syrup and plant-based butter. Feeling adventurous? Try cinnamon, nutmeg, or cardamom. I love tossing in orange zest and dried cranberries in winter for a tangy-tart vibe that's awesome with coffee.

Brownie squares with chocolate and nuts stacked on a plate. Save Pin
Brownie squares with chocolate and nuts stacked on a plate. | foodiffy.com

Why They're Good For You

They stack up way better than stuff from the store. Oats bring beta glucan, which is a fancy fiber that helps your heart and cholesterol. Bananas give you potassium and B6, and make everything sweet without adding sugar. Since you pick the ingredients, you can skip preservatives and weird flavors. Each one is around 90 calories—just right for a snack that keeps you on track.

How to Enjoy

They're tasty on their own, but you can get creative. Warm one a bit and top with a spoonful of Greek yogurt plus berries for breakfast. Craving dessert? Drizzle some almond butter and toss on a sprinkle of cinnamon. Pack with a piece of fruit and a handful of nuts in your lunch. To treat yourself, heat a bar up and add a scoop of vanilla ice cream for a sweet, cozy treat.

Common Questions

→ Is it possible to make oatmeal bars without any banana?

You bet! Swap in applesauce or give another oat bar style a try for something different.

→ How do I keep the oat bars fresh after baking?

Pop any extras in a sealed container and stick them in your fridge for a few days, or freeze for long-term storage.

→ Am I able to toss more mix-ins into these bars?

Totally! Feel free to throw in nuts, dried fruit, or some chocolate chips for more flavor.

→ I’m out of maple syrup—what else can sweeten these bars?

No worries. Honey, agave, or even stevia all work in place of maple syrup for a sweet touch.

→ Which oats are best for these bars?

Go with rolled oats for best results. Quick oats work too, but stay away from steel-cut types.

Banana Oat Bars

Oat bars with banana for a quick snack or morning bite.

Preparation Time
5 Minutes
Cooking Time
20 Minutes
Overall Time
25 Minutes
Created By: Breanna


Skill Level: Simple

Regional Origin: American

Recipe Output: 6-9 bars

Diet Preferences: Plant-Based, Meat-Free, No Dairy

What You'll Need

01 You can toss in a handful of chocolate chips, chopped nuts, or whatever toppings you like
02 1 teaspoon real vanilla extract
03 3 tablespoons of your choice: oil, nut butter, or extra water
04 A little stevia if you want it sweeter (optional)
05 3 tablespoons maple syrup, honey, or agave
06 Half a teaspoon salt
07 6 tablespoons water
08 About 1 1/3 cups bananas all mashed up
09 2 cups rolled oats

How to Make It

Step 01

Once it’s baked, let things cool off for a bit, then slice into bars. Stash leftovers in the fridge for up to four days, or just freeze some for later.

Step 02

Throw on your favorite toppings if you want. Slide it in the oven for 20 minutes. When the timer’s done, leave it inside (oven off!) for five more minutes with the door closed.

Step 03

Dump everything together and mix really well. Pour that into your pan and spread it out evenly.

Step 04

Fire up your oven to 350°F. Grab an 8-inch pan and either grease it or line it with parchment paper.

Additional Tips

  1. Want to skip banana? No problem—swap in other baked oat tricks instead.

Must-Have Tools

  • Mixing bowl
  • Parchment paper or spray for nonstick
  • 8-inch pan

Allergy Details

Double-check all ingredients for allergens and consult a professional if unsure.
  • Depending on your add-ins, these could have gluten or nuts.

Nutrition Details (Per Serving)

Please treat this information as general guidance and not as personalized health advice.
  • Calories: 90
  • Fat Amount: ~
  • Carbohydrate Count: ~
  • Protein Content: ~