Chocolate Chip Peanut Butter Oatmeal Banana Bread

Featured in: Breads & Sweet Bakes

This moist, wholesome quick bread combines ripe bananas with creamy peanut butter for richness, hearty old-fashioned oats for texture, and semisweet chocolate chips for sweetness. The batter comes together quickly—just whisk dry ingredients, combine wet ingredients, fold everything together, and bake.

The result is a tender, satisfying loaf perfect for breakfast alongside coffee or as an afternoon snack. Optional roasted peanuts add crunch, while the chocolate chips create pockets of melty goodness throughout. Leftover slices stay fresh at room temperature for days, making it ideal for meal prep or weekend baking.

Updated on Wed, 21 Jan 2026 10:12:00 GMT
A slice of moist Chocolate Chip Peanut Butter Oatmeal Banana Bread on a rustic wooden board, showing melted chocolate chips. Save
A slice of moist Chocolate Chip Peanut Butter Oatmeal Banana Bread on a rustic wooden board, showing melted chocolate chips. | opticbaker.com

My kitchen smelled like a peanut butter factory the afternoon I first baked this bread, and honestly, it was an accident. I'd meant to use my bananas for smoothies but they'd gotten speckled overnight, so I grabbed what felt like comfort food—peanut butter, oats, chocolate—and threw them together. What emerged from the oven was this impossibly moist, satisfying loaf that somehow felt both indulgent and wholesome.

I brought two slices to my neighbor last week, and she called me back within an hour asking for the recipe—said it reminded her why quick breads were invented in the first place. That's when I realized this wasn't just a way to use up fruit; it had become something I make whenever I want to prove to myself that simple ingredients can create something genuinely special.

Ingredients

  • All-purpose flour (1 ½ cups): The foundation that keeps everything tender; measure by spooning and leveling for consistency.
  • Old-fashioned rolled oats (1 cup): These add body and a subtle nuttiness that plays beautifully with the peanut butter.
  • Baking soda (1 tsp): Works with the acidic mashed bananas to create lift and moisture.
  • Baking powder (½ tsp): A gentle helper that ensures even rising throughout the loaf.
  • Salt (½ tsp): This small amount awakens all the other flavors; don't skip it even if tempted.
  • Ground cinnamon (1 tsp): The warmth that ties banana, peanut butter, and chocolate into something almost magical.
  • Ripe bananas, mashed (about 1 cup from 3 medium): The speckled ones are perfect because their natural sugars have intensified, making your bread naturally sweet.
  • Creamy peanut butter (½ cup): Choose one without added sugar if you like; it won't change the flavor noticeably but gives you control.
  • Light brown sugar, packed (½ cup): The molasses in brown sugar adds depth that white sugar simply won't.
  • Neutral oil (¼ cup): Keep the crumb tender and moist without any competing flavors.
  • Large eggs (2): These bind everything while keeping the texture delicate.
  • Pure vanilla extract (1 tsp): A whisper of vanilla rounds out the earthiness of the peanut butter.
  • Semisweet chocolate chips (¾ cup): Don't use melting chocolate; chips stay defined and give you pockets of richness.
  • Chopped roasted peanuts (¼ cup, optional): If you add these, you get little bursts of saltiness that make the sweetness sing.

Instructions

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Set your stage:
Preheat the oven to 350°F (175°C) and grease your 9x5-inch loaf pan thoroughly, then line it with parchment paper if you have it—this is less about being fancy and more about never fighting with stuck bread again.
Mix the dry team:
Whisk together flour, oats, baking soda, baking powder, salt, and cinnamon in a large bowl, making sure the baking soda and cinnamon are evenly distributed so you don't get surprise pockets of soapy flavor.
Combine the wet ingredients:
In another bowl, whisk mashed bananas with peanut butter, brown sugar, oil, eggs, and vanilla until the mixture is smooth and slightly glossy. This is where you'll feel the banana's moisture coming alive.
Bring them together gently:
Pour the wet mixture into the dry ingredients and stir with a spatula using just enough strokes to combine—overmixing develops gluten and makes the bread tough rather than tender. Stop as soon as you don't see dry flour anymore.
Add the sweet surprises:
Fold in the chocolate chips and peanuts carefully, reserving a few of each to sprinkle on top for a finished look.
Ready the pan:
Pour the batter into the prepared loaf pan, smooth the top with your spatula, and scatter those reserved chips and peanuts across the surface so they'll toast slightly and stick during baking.
Bake with patience:
Slide into the oven for 50–55 minutes, checking at the 50-minute mark by inserting a toothpick in the center—it should come out with a few moist crumbs clinging to it, not completely dry. The top should be golden and smell absolutely undeniable.
Cool thoughtfully:
Let the bread rest in the pan for 10 minutes so the structure sets, then carefully turn it out onto a wire rack to cool completely. Slicing warm bread breaks it apart, but waiting—I know, torture—gives you clean, perfect slices.
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Golden-brown Chocolate Chip Peanut Butter Oatmeal Banana Bread loaf, fresh from the oven with chopped peanuts on top. Save
Golden-brown Chocolate Chip Peanut Butter Oatmeal Banana Bread loaf, fresh from the oven with chopped peanuts on top. | opticbaker.com

Last month my daughter asked if we could make this together before school, and suddenly a quick bread became a quiet ritual—her mashing bananas while I measured, the kitchen becoming our shared space before the day scattered us. These aren't just recipes; they're invitations to slow down.

The Peanut Butter and Chocolate Chemistry

There's a reason peanut butter and chocolate have been paired since the beginning of time—they need each other. Peanut butter's saltiness and richness ground the sweetness of chocolate, while chocolate adds sophistication to peanut butter's earthiness. In this bread, they don't fight; they create something neither could achieve alone. When these two meet the banana's natural sweetness and the oat's wholesome texture, you get a loaf that feels both indulgent and honest.

Why Oats Belong in Your Quick Breads

Oats do something special that flour alone cannot—they absorb moisture while keeping the crumb open and tender, almost velvety. They also add a subtle, slightly sweet flavor that deepens the overall complexity of the bread without announcing itself. I learned this the hard way after making dense banana bread for years before someone suggested oats, and suddenly everything changed. Once you bake with oats, it's hard to go back to quick breads without them.

Storage, Variations, and the Joy of Leftovers

This bread keeps beautifully for up to three days wrapped tightly at room temperature, or you can freeze slices for up to two months—pull them out whenever you need an instant moment of comfort. The beauty of this recipe is how forgiving it is; you can swap almond butter for peanut butter, add a swirl of extra peanut butter on top before baking, or even stir in chocolate chunks instead of chips if that's what you have. Some mornings I toast a slice, spread it with a thin layer of peanut butter, and suddenly breakfast becomes the best part of my day.

  • Freeze slices individually wrapped in parchment and plastic so you can pull out exactly what you need without thawing the whole loaf.
  • A swirl of peanut butter on top before baking creates a marbled effect and extra richness in every slice.
  • Room temperature slices taste best, so pull frozen ones out a few hours before you want to eat them, or give them 20 seconds in the microwave if you're impatient like me.
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Warm Chocolate Chip Peanut Butter Oatmeal Banana bread served with a glass of milk, ready for a sweet snack. Save
Warm Chocolate Chip Peanut Butter Oatmeal Banana bread served with a glass of milk, ready for a sweet snack. | opticbaker.com

This bread has become my answer to the question of how to turn something ordinary into something worth remembering. Every time I make it, I think about how the best food doesn't demand perfection—it just needs the right ingredients brought together with care.

Cooking Q&A

Can I use natural peanut butter instead of creamy?

Natural peanut butter works fine, though it may make the bread slightly denser. Just be sure to stir it well before measuring, as the oil tends to separate.

Should I use quick oats or old-fashioned rolled oats?

Old-fashioned rolled oats provide better texture and structure. Quick oats will make the bread softer and may affect the overall texture.

How do I know when the bread is done baking?

Insert a toothpick into the center—it should come out with a few moist crumbs but not wet batter. The top should be golden brown and slightly firm to the touch.

Can I make this without nuts for allergies?

Absolutely. Substitute sunflower seed butter or almond butter for peanut butter, and simply omit the chopped peanuts. The chocolate chips can be replaced with nut-free alternatives if needed.

Why did my bread turn out dry?

Dry bread usually results from overbaking or overmixing the batter. Check for doneness a few minutes early, and mix wet and dry ingredients just until combined.

Can I freeze this banana bread?

Yes, wrap cooled slices tightly in plastic wrap and freeze for up to 2 months. Thaw at room temperature or warm briefly in the microwave.

Chocolate Chip Peanut Butter Oatmeal Banana Bread

Moist, wholesome banana bread studded with peanut butter, oats, and chocolate chips. Ideal for breakfast or snacking.

Time to prepare
15 mins
Time to cook
55 mins
Overall time
70 mins
Recipe by Ella Anderson


Skill Level Easy

Cuisine American

Makes 10 Portions

Dietary details Vegetarian option

What You'll Need

Dry Ingredients

01 1½ cups all-purpose flour
02 1 cup old-fashioned rolled oats
03 1 teaspoon baking soda
04 ½ teaspoon baking powder
05 ½ teaspoon salt
06 1 teaspoon ground cinnamon

Wet Ingredients

01 3 medium ripe bananas, mashed (approximately 1 cup)
02 ½ cup creamy peanut butter
03 ½ cup light brown sugar, packed
04 ¼ cup neutral oil (canola or sunflower)
05 2 large eggs
06 1 teaspoon pure vanilla extract

Add-ins

01 ¾ cup semisweet chocolate chips
02 ¼ cup chopped roasted peanuts, optional

How to Make It

Step 01

Prepare Oven and Pan: Preheat oven to 350°F. Grease a 9x5-inch loaf pan and line with parchment paper for easy removal.

Step 02

Combine Dry Ingredients: In a large mixing bowl, whisk together flour, oats, baking soda, baking powder, salt, and cinnamon until evenly distributed.

Step 03

Mix Wet Ingredients: In a separate bowl, combine mashed bananas, peanut butter, brown sugar, oil, eggs, and vanilla extract. Whisk until smooth and fully incorporated.

Step 04

Combine Wet and Dry Mixtures: Pour wet ingredients into dry ingredients. Mix gently with a spatula until just combined, being careful not to overmix.

Step 05

Fold in Mix-ins: Fold chocolate chips and peanuts into the batter, reserving a small amount for garnish if desired.

Step 06

Fill Pan and Garnish: Pour batter into prepared loaf pan and smooth the top. Sprinkle reserved chocolate chips and peanuts over the surface.

Step 07

Bake Bread: Bake for 50 to 55 minutes, or until a toothpick inserted in the center emerges with a few moist crumbs.

Step 08

Cool and Remove: Allow bread to cool in the pan for 10 minutes, then transfer to a wire rack to cool completely before slicing.

Tools You'll Need

  • 9x5-inch loaf pan
  • Mixing bowls
  • Whisk
  • Spatula
  • Wire rack
  • Parchment paper

Allergy details

Always review every ingredient for allergens and speak to your healthcare provider if you're unsure.
  • Contains peanuts, eggs, wheat gluten, and may contain dairy from chocolate chips
  • For nut allergies, use sunflower seed butter and omit peanuts
  • Verify chocolate chip packaging for potential allergen information

Nutrition details (per serving)

These nutrition details are for your reference—don't substitute for professional medical guidance.
  • Caloric Value: 275
  • Fat content: 12 g
  • Carbohydrates: 38 g
  • Proteins: 6 g