Decadent Double Chocolate Banana Bread

This Double Chocolate Banana Bread is intensely chocolatey, moist, and rich in every slice. The batter is flavored with dark cocoa powder and studded with dark chocolate chips for melty pockets of chocolate throughout. Browning the butter adds a nutty, toffee-like depth that plain melted butter cannot match, while a small amount of maple syrup sweetens the loaf without any refined sugar. The recipe is naturally gluten free, comes together in one bowl, and bakes in about 40 to 45 minutes.

Double chocolate banana bread.

Ripe bananas provide most of the sweetness in this loaf. With just four tablespoons of maple syrup in the whole recipe, very ripe, heavily spotted bananas are essential. Underripe yellow bananas lack the converted sugars needed to balance the bitterness of dark cocoa and will leave the loaf tasting flat. Use bananas that are soft and brown-speckled for the best natural sweetness and banana flavor.

What Makes This Double Chocolate Banana Bread Different?

Three details set this loaf apart from many other recipes: first, the butter is browned before it goes into the batter, which adds a deep, nutty complexity. Second, the recipe relies mostly on ripe bananas for sweetness and uses only a small amount of maple syrup—no refined sugar. Third, it is written to use a 1:1 gluten free baking blend by default, rather than treating gluten free as an afterthought. These choices create a dense, moist bread with concentrated chocolate flavor and clean, simple ingredients.

Ingredients

  • 1 1/2 cups mashed ripe bananas (about 3 medium)
  • 1/3 cup salted butter, browned or melted
  • 4 tbsp pure maple syrup (or honey)
  • 1 egg
  • 1 3/4 cups gluten free 1:1 baking blend (or all-purpose flour)
  • 1/4 cup dark cocoa powder (Dutch-process or regular unsweetened)
  • 1 cup dark chocolate chips

What Each Ingredient Does

Brown butter

Browning butter transforms the milk solids, creating nutty, caramel-like notes that deepen the chocolate and banana flavors. Cook over medium heat until the butter is fragrant and amber, then let it cool slightly before mixing. If you’re short on time, plain melted butter still yields a tasty loaf but with less complexity.

Ripe bananas

Use bananas with heavy brown spotting or that are nearly fully brown. Ripe bananas have converted more starch to simple sugar, so one and a half cups of mashed ripe bananas contributes most of the sweetness in this recipe.

Slice of double chocolate banana bread.

Maple syrup and dark chocolate

Four tablespoons of pure maple syrup sweeten the loaf without refined sugar; honey can be used in the same amount. One quarter cup of dark cocoa powder gives a deep chocolate base, while one cup of dark chocolate chips adds pockets of gooey chocolate. Use good-quality dark chips for the best melt and flavor.

Gluten free flour

A 1:1 gluten free baking blend keeps the loaf tender and structure-stable. If you are not gluten free, substitute the same amount of all-purpose flour.

How to make Double Chocolate Banana Bread, step by step

Preheat your oven to 350°F (175°C). Line a standard 9×5-inch loaf pan with parchment paper or grease it well.

In a large mixing bowl, mash the ripe bananas until smooth, then stir in the cooled brown butter (or melted butter), maple syrup, and egg until combined.

Add the gluten free flour and dark cocoa powder to the wet ingredients and stir just until no dry streaks remain. The batter should be thick and slightly rough; avoid overmixing.

Dark loaf batter.

Fold in the dark chocolate chips so they are evenly distributed. Transfer the batter to the prepared pan and smooth the top.

Double chocolate chip batter.

Bake for 40 to 45 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs but no raw batter. Because the batter contains ripe banana and maple syrup, it can bake a bit faster than sugar-heavy loaves; begin checking at 40 minutes.

Loaf pan with cocoa batter.

Remove the loaf from the oven and allow it to cool completely in the pan before slicing so the crumb sets and slices cleanly. Cool on a wire rack for best results.

Melty chocolate chips in pan.

Why the Banana Is the Real Sweetener Here

Many double chocolate banana bread recipes add 3/4 to 1 cup of sugar in addition to bananas. This version keeps added sweetener minimal—just four tablespoons of maple syrup—because very ripe bananas supply the bulk of the sweetness. That concentrated banana sugar balances a full quarter cup of dark cocoa powder. If you use a yellow, underripe banana the loaf will taste bitter and lacking in flavor, so extra-ripe fruit is critical.

Tips for the Best Result

Use the ripest bananas you can find

Brown-spotted or nearly fully brown bananas are essential to provide natural sweetness and banana flavor.

Cool the brown butter before mixing

Allow browned butter to cool for at least five minutes so it is warm but not hot; this prevents partially cooking the egg when combined.

Do not overmix once the flour goes in

Stir until no dry streaks remain, then stop. Overmixing can lead to a denser, tougher crumb.

Start checking at 40 minutes

Because the batter uses banana and maple syrup for moisture, the loaf often finishes faster than a sugar-heavy version. Pull it when a toothpick comes out with a few moist crumbs.

Sliced chocolate bread.

Substitutions

Original Substitute Notes
Gluten free flour All-purpose flour Direct swap, same amount
Maple syrup Honey Same amount; slightly different flavor
Brown butter Plain melted butter Less complex flavor, still good
Dark cocoa powder Regular unsweetened cocoa Lighter chocolate intensity
Dark chocolate chips Semi-sweet or dairy-free chips Slightly sweeter or dairy free

Storage

Room temperature: Store the cooled loaf in an airtight container for up to 3 days.

Freezer: Slice, wrap tightly, and freeze for up to 3 months. Thaw slices at room temperature for 20 to 30 minutes before serving.

Frequently Asked Questions

Do I have to brown the butter?

No. Plain melted butter yields a delicious loaf. Browning the butter adds nutty, toffee-like notes and takes an extra 5 to 7 minutes, but it enhances the chocolate flavor.

Why does my loaf taste bitter?

The most likely cause is underripe bananas. The banana is the primary sweetener in this recipe; use very ripe, heavily brown-spotted bananas to avoid bitterness from the cocoa.

Can I add more maple syrup for a sweeter loaf?

Yes. Adding up to two extra tablespoons (six total) will make the loaf noticeably sweeter without harming texture. Adding more than that may make the batter too wet for the flour ratio.

Can I use regular cocoa powder instead of dark cocoa?

Yes. Regular unsweetened cocoa works at the same amount but produces a lighter chocolate flavor. Dark or Dutch-process cocoa yields the deepest chocolate profile.

Cocoa loaf slice.

You May Also Like

  • Banana Bread Pudding
  • Brownie Banana Bread
  • Chocolate Bread Pudding
  • Marble Banana Bread
  • Chocolate Cookie Dough Banana Bread

If you try this Double Chocolate Banana Bread, please leave a review or note what you changed—feedback helps improve and refine the recipe for others.

Get the Recipe: Double Chocolate Banana Bread

Dense, moist, and deeply chocolatey. Brown butter adds a nutty richness while dark chips melt into every bite.

Ingredients (8 slices)

  • 1 1/2 cups mashed ripe bananas
  • 1/3 cup salted butter, browned or melted
  • 4 tbsp pure maple syrup or honey
  • 1 egg
  • 1 3/4 cups gluten free flour (or all-purpose)
  • 1/4 cup dark cocoa powder
  • 1 cup dark chocolate chips

Instructions

  1. Preheat oven to 350°F and line or grease a standard loaf pan.
  2. In a bowl, combine mashed bananas, cooled brown butter, maple syrup, and egg.
  3. Add flour and cocoa powder; stir until no dry streaks remain.
  4. Fold in chocolate chips, then transfer batter to the prepared pan and smooth the top.
  5. Bake 40–45 minutes, or until a toothpick shows a few moist crumbs but no raw batter.
  6. Cool completely before slicing.

Notes

  • If not gluten free, swap in all-purpose flour at the same amount.
  • Browning the butter is recommended for best flavor, but melted butter works in a pinch.
  • Do not overbake. Remove when a toothpick yields moist crumbs.
  • Store leftovers in an airtight container for up to 3 days at room temperature.

Nutrition (per slice)

Calories: 326 kcal • Carbohydrates: 47 g • Protein: 4 g • Fat: 16 g • Saturated Fat: 10 g • Fiber: 6 g • Sugar: 10 g