Chocolate Chip Peanut Butter Oatmeal Banana Bread

Featured in: Home Baking & Sweet Recipes

This indulgent yet wholesome banana bread combines the natural sweetness of ripe bananas with creamy peanut butter and hearty old-fashioned oats. The addition of semisweet chocolate chips creates pockets of melty goodness throughout, while optional roasted peanuts add delightful crunch.

Ready in just over an hour, this American-style quick bread delivers a perfect balance of textures—tender crumb, chewy oats, and smooth chocolate. It's an ideal grab-and-go breakfast or satisfying afternoon snack that keeps you energized for hours.

Updated on Wed, 21 Jan 2026 13:10:00 GMT
A freshly baked loaf of Chocolate Chip Peanut Butter Oatmeal Banana Bread, showcasing a golden-brown crust and visible chocolate chips.  Save to Pinterest
A freshly baked loaf of Chocolate Chip Peanut Butter Oatmeal Banana Bread, showcasing a golden-brown crust and visible chocolate chips. | ovenmargin.com

My kitchen smelled like a peanut butter factory the afternoon I first combined bananas with chocolate and oats into one loaf, mostly because I'd impatiently stirred the peanut butter straight from the jar before measuring it out. The result was unexpectedly wonderful—dense enough to feel substantial, but so moist it practically melted on your tongue. Since then, this bread has become the thing I bake when I need comfort food that actually feels good to eat, not guilty about.

I made this for a friend who'd just moved into a new place with an oven that actually worked properly for the first time in years, and watching her face light up when she pulled it out still gets me. She said it tasted like what she imagined having her life together would taste like, which feels like the highest compliment a quick bread could receive.

Ingredients

  • All-purpose flour (1 ½ cups): The base that holds everything together without being heavy, though you can swap in whole wheat flour for half of it if you want extra nuttiness.
  • Old-fashioned rolled oats (1 cup): These add texture and a subtle earthiness that balances the sweetness—don't use instant oats or the bread turns gummy.
  • Baking soda and baking powder (1 tsp and ½ tsp): The dynamic duo that helps your bread rise gently and stay tender all the way through.
  • Salt and cinnamon (½ tsp and 1 tsp): A small amount of salt wakes up all the flavors, while cinnamon whispers in the background without announcing itself.
  • Ripe bananas (3 medium, mashed): The browner and softer the better—those spots mean maximum sweetness and moisture, so don't wait for perfection.
  • Creamy peanut butter (½ cup): The bridge between savory and sweet that makes this bread deeply satisfying; use the good stuff without added oils if you can.
  • Light brown sugar (½ cup, packed): Its molasses notes add subtle depth that white sugar never could, plus it keeps the crumb tender.
  • Neutral oil (¼ cup): This keeps the bread moist for days without the heaviness of butter, though melted coconut oil works beautifully too.
  • Eggs (2 large): They bind everything and add richness, so use them at room temperature for better mixing.
  • Vanilla extract (1 tsp): A small amount rounds out all the flavors and makes people ask what the secret ingredient is.
  • Semisweet chocolate chips (¾ cup): The melty pockets of indulgence that justify calling this a treat rather than just breakfast.
  • Roasted peanuts (¼ cup, optional): Chopped finely, they add a pleasant crunch that keeps things interesting.

Instructions

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Set up your oven and pan:
Heat to 350°F and grease your 9x5-inch loaf pan well, then line it with parchment paper so you can lift the entire loaf out without wrestling with the edges. This step saves you from frustration and broken bread.
Gather your dry ingredients:
In a large bowl, whisk together the flour, oats, baking soda, baking powder, salt, and cinnamon until everything is evenly distributed. This ensures the leavening agents won't create weird pockets of risen dough later.
Combine the wet ingredients:
In another bowl, whisk the mashed bananas, peanut butter, brown sugar, oil, eggs, and vanilla until the mixture is smooth and the peanut butter is fully incorporated. You'll notice the mixture becomes lighter and slightly fluffy from the whisking.
Bring it together gently:
Pour the wet ingredients into the dry ingredients and fold with a spatula using as few strokes as possible until just combined—this is where people overwork the batter and end up with dense bread. Overmixing develops gluten, which is wonderful for bread but not for tender quick breads.
Fold in the good stuff:
Add the chocolate chips and peanuts, folding just until distributed, then transfer to your prepared pan and smooth the top. Sprinkle any reserved chips and nuts on top so they toast slightly during baking.
Bake with patience:
Slide it into the oven for 50 to 55 minutes until a toothpick inserted in the center comes out with just a few moist crumbs clinging to it. Perfectly baked quick bread should feel set but still tender, not dry.
Cool without rushing:
Let it sit in the pan for 10 minutes so it firms up enough to lift without breaking, then turn it out onto a wire rack to cool completely. Slicing warm bread tears it apart, but cool bread slices clean and actually tastes better anyway.
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Season soups, salads, meats, and vegetables evenly while cooking with quick, one-handed grinding.
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Thick slices of Chocolate Chip Peanut Butter Oatmeal Banana Bread on a wooden board, revealing moist crumbs and melted chocolate.  Save to Pinterest
Thick slices of Chocolate Chip Peanut Butter Oatmeal Banana Bread on a wooden board, revealing moist crumbs and melted chocolate. | ovenmargin.com

My mother-in-law asked for the recipe after I brought this to a family gathering, and when I sent it to her, she added a note saying she'd been looking for a bread that felt fancy enough to serve but easy enough that she wouldn't stress about it. That's when I realized this recipe had become something that bridges that gap between impressive and accessible.

Why This Bread Stays Fresh

The combination of bananas, oil, and peanut butter creates a naturally moist crumb that doesn't dry out quickly, which is why this loaf actually tastes better on day two when all the flavors have had time to settle and marry together. I've kept leftovers wrapped in plastic for nearly a week and they stayed tender enough that I'd slice them thick and eat them straight, no toasting required.

Variations That Work

Once you make this a few times, you start seeing all the ways you can shift it around without breaking anything—swapping the peanut butter for almond or sunflower seed butter, adding a handful of raisins or crushed pretzels, or even stirring in a couple tablespoons of cocoa powder to deepen the chocolate notes. The structure is forgiving enough that you can play with it while keeping the core magic intact.

Storage and Make-Ahead Magic

This bread freezes beautifully for up to two months, which means you can make two loaves when you have a quiet afternoon and know you'll have homemade breakfast waiting on rushed mornings. I've even sliced and wrapped individual pieces so I can pull out exactly what I need without thawing an entire loaf.

  • Wrap cooled bread tightly in plastic wrap or store in an airtight container at room temperature for up to three days, where it actually improves slightly as it sits.
  • For freezing, slice the bread first so you can toast individual pieces directly from frozen without waiting for the whole loaf to thaw.
  • If you want to refresh day-old slices, a quick 10 seconds in the toaster brings back the warmth and makes the chocolate chips melty again.
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A close-up of Chocolate Chip Peanut Butter Oatmeal Banana Bread with a dollop of peanut butter and sliced bananas on top. Save to Pinterest
A close-up of Chocolate Chip Peanut Butter Oatmeal Banana Bread with a dollop of peanut butter and sliced bananas on top. | ovenmargin.com

This bread has become the thing I make when I want to feel like I'm taking care of people, including myself. It's simple enough that anyone can pull it off, but thoughtful enough that it tastes like someone actually paid attention in the kitchen.

Common Recipe Questions

Can I use natural peanut butter instead of creamy?

Natural peanut butter works well, though it may make the bread slightly denser. Stir thoroughly before measuring to incorporate any separated oils.

How do I know when the bread is fully baked?

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 firm to the touch.

Can I make this without nuts for allergies?

Absolutely. Substitute sunflower seed butter for peanut butter and omit the chopped peanuts. The bread will still be delicious and nut-free.

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

Old-fashioned rolled oats provide better texture and heartiness. Quick oats may make the bread slightly softer but work in a pinch.

How should I store leftovers?

Wrap tightly in plastic or store in an airtight container at room temperature for up to 3 days. For longer storage, slice and freeze for up to 2 months.

Can I reduce the sugar content?

You can reduce brown sugar to ¼ cup since ripe bananas provide natural sweetness. The bread will be less sweet but still enjoyable.

Chocolate Chip Peanut Butter Oatmeal Banana Bread

Moist, wholesome bread with ripe bananas, creamy peanut butter, oats and chocolate chips.

Prep Time
15 min
Time to Cook
55 min
Time Required
70 min
Published by Ryan Mitchell


Skill Level Easy

Cuisine American

Makes 10 Number of Servings

Diet Details Meatless

Ingredient List

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 packed light brown sugar
04 ¼ cup neutral oil
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 Steps

Step 01

Prepare Baking 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 the dry ingredients. Mix gently with a spatula until just combined, avoiding overmixing to maintain bread texture.

Step 05

Incorporate Mix-ins: Fold in chocolate chips and peanuts with a spatula, reserving a few for topping if desired.

Step 06

Transfer to Pan: Pour batter into the prepared loaf pan and smooth the top surface. Sprinkle with reserved chocolate chips and peanuts.

Step 07

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

Step 08

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

Kitchen Tools

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

Allergy Details

Be sure to review every ingredient for potential allergens. Always get professional advice if you're unsure.
  • Contains peanuts, eggs, and gluten
  • Chocolate chips may contain dairy
  • For nut allergies, use sunflower seed butter and omit peanuts
  • Always verify chocolate chip packaging for potential allergens

Nutrition Details (for each serving)

These figures are here for your reference and shouldn’t replace advice from a healthcare provider.
  • Calories: 275
  • Fats: 12 g
  • Carbohydrates: 38 g
  • Proteins: 6 g