Peanut Butter Banana Bars

Featured in: Everyday Joyful Meals

These bars combine creamy peanut butter and ripe bananas with old-fashioned oats for a chewy, satisfying snack. No baking is required, making preparation simple and quick. The mixture is pressed into a pan, chilled until firm, then cut into bars perfect for on-the-go energy. Optional additions like nuts or mini chocolate chips enhance texture and flavor. Ideal for vegetarian diets, these bars are easy to customize with alternatives such as maple syrup for a vegan-friendly treat.

The bars store well refrigerated and travel easily, providing a nourishing boost anytime. Nutritionally, they offer protein, fiber, and wholesome carbohydrates from natural ingredients. The method is straightforward, requiring only mixing, pressing, and chilling, with no cooking time. These bars are a convenient and tasty way to enjoy balanced energy from simple, real food components.

Updated on Tue, 23 Dec 2025 14:58:00 GMT
No-bake Peanut Butter Banana Oat Bars, cut and chilled, waiting to be enjoyed as a tasty snack. Pin It
No-bake Peanut Butter Banana Oat Bars, cut and chilled, waiting to be enjoyed as a tasty snack. | platefullyjoy.com

There's something magical about standing in the kitchen with a banana in one hand and a jar of peanut butter in the other, realizing you don't need an oven to create something genuinely delicious. I discovered these bars on a lazy Sunday afternoon when my energy had completely flatlined, and I was craving something that tasted indulgent but wouldn't derail my week. Ten minutes later, I had a pan of chewy, wholesome goodness chilling in the fridge, and by evening, I understood why I'd keep making them.

I brought a batch to a hiking trip once, wrapped in foil and tucked into my backpack, and halfway up the trail, when my friend hit that inevitable energy wall, I pulled one out. The way her face lit up—like I'd just handed her pure comfort—reminded me that the simplest foods often mean the most because they show up exactly when you need them.

Ingredients

  • Ripe bananas (2 large, mashed): The yellower and softer, the sweeter your bars—don't hold back on ripeness.
  • Creamy peanut butter (1/2 cup): This is the soul of the recipe, so choose one you'd actually eat straight from the jar.
  • Honey or maple syrup (1/4 cup): Honey brings a subtle floral sweetness; maple adds earthiness—pick based on your mood.
  • Vanilla extract (1 tsp): Just a teaspoon, but it rounds out the flavors in a way that feels professional.
  • Old-fashioned rolled oats (2 cups): The texture hero—they give the bars their perfect chewiness and wholesome backbone.
  • Chopped walnuts or pecans (1/4 cup, optional): A handful adds crunch and richness if you want that textural contrast.
  • Mini chocolate chips (1/4 cup, optional): Honestly? Always add them.
  • Salt (1/4 tsp): A pinch that makes everything taste more like itself.
  • Ground cinnamon (1/2 tsp): Warm spice that whispers in the background without announcing itself.

Instructions

Set up your stage:
Line your 8x8-inch pan with parchment paper, letting it drape over the sides like a safety net. This is the move that makes everything after it effortless.
Mash those bananas:
Break them down in a large bowl until they're creamy and relatively smooth. Leave a few small flecks if you like—that rusticity is part of the charm.
Build the wet base:
Stir the peanut butter, honey, and vanilla into your mashed bananas until everything is evenly incorporated and looks like a thick spread. This is where the magic flavor foundation lives.
Bring in the dry ingredients:
Add the oats, salt, cinnamon, and any mix-ins you're using, then stir until you have one unified, chunky batter. You want every oat kissed with peanut butter.
Press into the pan:
Transfer everything to your lined pan and use the back of a spoon or spatula to press it down firmly and evenly. Take a moment here—good pressing means clean bars later.
Chill and set:
Refrigerate for at least an hour until the mixture feels firm and holds together when you press it. Patience here pays off in perfect slices.
Slice and store:
Lift the whole slab out using the parchment overhang, place it on a cutting board, and slice into 12 bars with a sharp knife. Keep them in an airtight container in the fridge for up to a week.
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The first time I made a batch and actually sliced them perfectly—clean edges, no crumbling, just a row of beautiful bars—I felt an absurd sense of accomplishment. It sounds small, but that's when I realized these weren't just snacks; they were proof that the simplest methods, done thoughtfully, create something you're genuinely proud to serve.

Why These Bars Became My Go-To

There's a particular freedom in making something without an oven. No preheating, no temperature anxiety, no wondering if you closed the door softly enough. You mix, you press, you refrigerate, and then you have a week's worth of reliable energy bites sitting in your fridge like edible insurance against 3 p.m. crashes. The whole process feels more like assembly than cooking, which somehow makes it feel more achievable on mornings when motivation is scarce.

Customizing to Your Cravings

The beauty here is that these bars are forgiving and flexible. Almond butter, sunflower seed butter, tahini—any nut or seed butter works and shifts the flavor in interesting ways. I've added dried cranberries when I wanted something tart, swapped in dark chocolate chips for sophistication, and once threw in a handful of coconut flakes because I was in that kind of mood. The formula stays solid; only the personality changes.

Storage and Travel Notes

These bars are practically designed for real life. Individually wrapped in parchment paper or small containers, they fit into backpacks, lunch boxes, and car cup holders without complaint. They actually taste better cold, and they hold up beautifully for several days without drying out or getting weird, which is rare in the snack world.

  • Store them in an airtight container in the fridge for up to a week, or freeze for up to a month.
  • For a vegan version, swap honey for maple syrup and use dairy-free chocolate chips.
  • Wrap individual bars in foil or parchment for grab-and-go convenience.
A close-up of delicious Peanut Butter Banana Oat Bars, showcasing the hearty oats and peanut butter swirl. Pin It
A close-up of delicious Peanut Butter Banana Oat Bars, showcasing the hearty oats and peanut butter swirl. | platefullyjoy.com

These bars have become the snack I make when I want to feel nourished rather than just filled. They're the answer when you want something that tastes good and actually means something.

Recipe FAQs

What makes these bars chewy?

The combination of ripe mashed bananas and creamy peanut butter binds the oats together, providing a naturally chewy texture without baking.

Can I customize the bars with other ingredients?

Yes, you can add chopped walnuts, pecans, or mini chocolate chips for extra flavor and texture. Dried fruit like cranberries or raisins also works well.

How long should the bars be chilled?

Chill the mixture for at least one hour in the refrigerator so it firms up enough to cut cleanly into bars.

Are these bars suitable for vegans?

To make a vegan-friendly version, substitute honey with maple syrup and use dairy-free chocolate chips if adding them.

How should the bars be stored?

Store the bars in an airtight container in the fridge for up to one week to maintain freshness and firmness.

Can I replace peanut butter with another nut butter?

Yes, almond butter or sunflower seed butter are excellent alternatives that can be used without affecting the overall texture.

Peanut Butter Banana Bars

A wholesome, chewy snack featuring creamy peanut butter, ripe bananas, and hearty oats for a quick energy boost.

Time to Prep
10 minutes
0
Overall Time
10 minutes
Recipe by Olivia Reed


Skill Level Easy

Cuisine American

Makes 12 Number of Servings

Diet Info Vegetarian-Friendly, No Dairy

What You'll Need

Wet Ingredients

01 2 large ripe bananas, mashed
02 1/2 cup creamy peanut butter
03 1/4 cup honey or maple syrup
04 1 tsp vanilla extract

Dry Ingredients

01 2 cups old-fashioned rolled oats
02 1/4 cup chopped walnuts or pecans (optional)
03 1/4 cup mini chocolate chips (optional)
04 1/4 tsp salt
05 1/2 tsp ground cinnamon

Step-by-Step Guide

Step 01

Prepare Pan: Line an 8x8-inch square baking pan with parchment paper, leaving an overhang for easy removal.

Step 02

Mash Bananas: In a large bowl, mash the bananas until smooth.

Step 03

Combine Wet Ingredients: Add peanut butter, honey or maple syrup, and vanilla extract to the mashed bananas. Stir until well combined.

Step 04

Incorporate Dry Ingredients: Add oats, salt, cinnamon, and optional nuts or chocolate chips. Stir until the mixture is evenly combined.

Step 05

Press Mixture into Pan: Transfer the mixture to the prepared pan and press firmly and evenly using the back of a spoon or spatula.

Step 06

Chill Bars: Refrigerate for at least 1 hour until firm enough to cut.

Step 07

Slice and Store: Lift the bars out using the parchment overhang. Slice into 12 bars. Store in an airtight container in the refrigerator for up to one week.

Tools You'll Need

  • Mixing bowl
  • Masher or fork
  • Spatula
  • 8x8-inch square baking pan
  • Parchment paper
  • Knife

Allergy Notice

Be sure to review ingredients for allergens. When unsure, talk with a healthcare provider.
  • Contains peanuts and may include tree nuts if walnuts or pecans are added.
  • Contains oats; ensure gluten-free oats if necessary.
  • Contains honey; not recommended for infants under 1 year.

Nutrition (For Each Serving)

Nutritional details are meant for general guidance. Don't rely on them for medical reasons.
  • Calorie Count: 160
  • Fats: 7 g
  • Carbohydrates: 22 g
  • Proteins: 4 g