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Chocolate Swirled Banana Bread Recipe with Brownie Texture

Turn overripe bananas into an easy Brownie Banana Bread with a fudgy texture and bakery-style chocolate flavor you can make at home.

Close up of sliced brownie banana bread showing chocolate chips and walnuts inside.

⭐ Why You’ll Love This Recipe

  • Deep chocolate flavor balanced by the natural sweetness of ripe bananas
  • Quick and simple using a boxed brownie mix as a shortcut
  • Soft, moist crumb with a slightly fudgy center
  • Great for dessert, afternoon snacking, or a sweet breakfast treat
  • An excellent way to use overripe bananas

This Brownie Banana Bread delivers the comfort of classic banana bread with a rich cocoa twist. It tastes like a fudgy brownie and still has the tender crumb you expect from a loaf made with ripe bananas.

ingredients to make brownie banana bread

🛒 Ingredients & Substitutions

  • 1 box brownie mix (18.3 oz.) – recommended for best texture
  • ½ cup semi-sweet chocolate chips – swap for dark, milk, or white chocolate chips
  • ½ cup chopped walnuts – substitute pecans or omit
  • ⅓ cup vegetable oil – can use olive oil or melted coconut oil
  • 2 large eggs
  • 1 cup mashed bananas (about 2 medium bananas)

✨ Variations

  • Replace walnuts with pecans or omit nuts entirely
  • Use a dark-chocolate or triple-chocolate brownie mix for extra richness
  • Stir in peanut butter chips for a chocolate–peanut butter twist
  • Fold in a cream cheese swirl before baking for a marbled loaf
  • Top the cooled loaf with a simple chocolate glaze for extra decadence

You can also turn the batter into muffins or mini loaves for individual portions or bake times suited to those pans.

Glass mixing bowl with brownie mix, chocolate chips, and chopped walnuts on a marble countertop.
Mixing bowl with brownie mix, chocolate chips, walnuts, eggs, oil, and mashed bananas being added.
Brownie banana bread batter poured into a greased loaf pan before baking.
Baked brownie banana bread loaf in a metal loaf pan with a crack down the center.
Whole brownie banana bread loaf on a white cutting board with several slices cut in front.
Close up of sliced brownie banana bread dusted with powdered sugar on a white plate with a loaf in the background.

🔥 Tips

  • Use very ripe bananas with brown spots for the best flavor
  • Mash bananas thoroughly so they incorporate smoothly into the batter
  • Mix just until combined to keep the loaf tender
  • Check the loaf around 30 minutes and tent with foil if it browns too quickly
  • Let the loaf cool before slicing so it sets and cuts cleanly

Brownie-based batter is thicker than traditional banana bread batter — that’s normal. Avoid overmixing and bake until a toothpick inserted in the center comes out clean or with a few moist crumbs.

❓ FAQs

Can I use a different size loaf pan?

Yes. For a smaller pan, divide the batter between two pans or make muffins; adjust baking time accordingly.

Can I make this without nuts?

Absolutely. Omit the nuts with no other changes to the recipe.

How do I know when it is done?

Insert a toothpick into the center. It should come out clean or with a few moist crumbs, but not wet batter.

Can I use frozen bananas?

Yes. Thaw first and drain any excess liquid before adding to the batter.

Two slices of brownie banana bread on a white plate with chocolate chips and walnuts visible.

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Square image of sliced brownie banana bread showing chocolate chips and walnuts in the crumb.
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Brownie Banana Bread

By Jamie Sherman
Brownie Banana Bread combines fudgy brownie mix and ripe bananas for an easy, rich chocolate loaf everyone loves.
Prep: 5
Cook: 55
Additional Time: 20
Total: 1 20
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Equipment

  • 9×5-inch loaf pan
  • Large mixing bowl
  • Measuring cups and spoons
  • Rubber spatula
  • Hand mixer or whisk
  • Aluminum foil
  • Wire cooling rack

Ingredients

  • 1 box brownie mix (18.3 oz.)
  • ½ cup semi-sweet chocolate chips
  • ½ cup chopped walnuts
  • ⅓ cup vegetable oil
  • 2 large eggs
  • 1 cup mashed bananas (about 2 medium bananas)

Instructions

  • Preheat the oven to 350°F. Grease a 9×5-inch loaf pan and set aside.
  • In a large bowl, combine the brownie mix, chocolate chips, and walnuts; stir to coat the mix-ins.
  • Add the vegetable oil, eggs, and mashed bananas to the dry mix.
  • Stir gently just until combined—do not overmix.
  • Pour the batter into the prepared loaf pan and spread evenly.
  • Bake for 55–60 minutes. Check at 30 minutes and tent with foil if the top is browning too quickly.
  • The bread is done when a toothpick inserted into the center comes out clean or with a few moist crumbs.
  • Cool in the pan for 15–20 minutes, then transfer to a wire rack to finish cooling before slicing.
  • Serve as is or warm slightly before serving.

Notes

🥡 Storage

  • Store at room temperature in an airtight container for up to 2 days.
  • Refrigerate up to 4 days in a sealed container. Cool completely before storing to prevent excess moisture.

♨️ Reheating

  • Microwave individual slices for 10–15 seconds.
  • Warm in a 300°F oven for 5–8 minutes.
  • Air-fry at 300°F for 3–4 minutes for a warm slice.

❄️ Freezing

  • Wrap tightly in plastic wrap and foil.
  • Freeze whole loaf or individual slices for up to 3 months; thaw at room temperature before serving.

💡 Tips for Best Results

  • Use overripe bananas for deeper flavor and added sweetness.
  • Do not overmix to keep the loaf tender and moist.
  • Tent with foil if the top browns too quickly.
  • Let the loaf cool fully before slicing for the cleanest cuts.

🍳 Alternate Cooking Methods

  • Bake as muffins at 350°F for 18–22 minutes.
  • Bake in mini loaf pans at 350°F for 30–40 minutes.

♻️ Leftovers

  • Crumble over ice cream or cube for parfaits.
  • Lightly toast slices and spread with peanut butter.

📝 Notes

  • Optional: dust with powdered sugar, or top warm slices with ice cream or whipped cream.
  • Try different nuts or flavored chips for variety.
  • Drizzle a chocolate glaze over the cooled loaf for extra richness.
  • This loaf slices best after it has fully cooled.
  • Consider making muffins for bake sales or lunchboxes.

Nutrition

Serving: 1slice, Calories: 345kcal, Carbohydrates: 42g, Protein: 4g, Fat: 18g

Nutrition information is automatically calculated and should be used as an approximation.


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