These soft and chewy Banana Bread Chocolate Chip Cookies bring together the sweet, comforting flavor of ripe bananas and melty chocolate chips. With golden edges, tender centers, a hint of cinnamon, and plenty of chocolate in every bite, they’re a delicious twist on classic banana bread!
Table of Contents
The Science Behind Chewy Banana Bread Chocolate Chip Cookies
- Pectin Fruit Hydrocolloid & Single Yolk Lipid Balance: Ripe mashed bananas contain natural water, starches, and soluble pectin gels. Replacing the whole egg with a single egg yolk compensates for the high liquid content of the fruit. The extra lecithin and lipids in the egg yolk emulsify the banana moisture, preventing a spongy, cakey texture and securing a dense, chewy crumb.
- Fructose Inversion & Rapid Maillard Reaction: Ripe bananas are abundant in fructose and glucose simple sugars created through enzymatic amylase starch conversion. Combined with molasses-rich light brown sugar, these reducing sugars lower the Maillard browning threshold at 350°F (175°C), creating golden, caramelized, butterscotch-like outer edges.
- Cryo-Hydration & Flour Starch Gelatinization: Chilling the dough for 30 minutes gives the flour starches time to absorb excess liquid from the banana and melted butter. Solidifying the dairy fats before baking restricts lateral spreading, keeping the cookie center thick and chewy instead of spreading thin.
| Prep Time | Chill Time | Bake Time | Yield | Category |
| 15 mins | 30 mins | 11–13 mins | ~18 cookies | Fruit / Chocolate Chip |
Ingredients
For the Chewy Banana Bread Cookie Base:
- 1/2 cup (1 stick / 113 g) unsalted butter, melted and slightly cooled
- 3/4 cup (150 g) packed light brown sugar
- 1/4 cup (50 g) granulated sugar
- 1/3 cup (80 g) thoroughly mashed, very ripe banana (approx. 1 medium banana)
- 1 large egg yolk, room temperature
- 1 tsp pure vanilla extract
- 1 3/4 cups (218 g) all-purpose flour
- 1/2 tsp baking soda
- 1/2 tsp ground cinnamon
- 1/2 tsp fine salt
- 1 cup (170 g) semisweet chocolate chips
- 1/3 cup (40 g) chopped walnuts or pecans (optional)
For Topping & Finish:
- 2 tbsp extra semisweet chocolate chips (for pressing on top)
- Flaky sea salt (Maldon), for final sprinkling (optional)
Step-by-Step Instructions
1.Prepare and Measure Ripe Banana:Mash with a fork until smooth (~80g).
Mash a very ripe banana with brown spots on a plate using a fork until completely smooth. Precisely measure out 1/3 cup (80g) of the mashed banana and set aside.
2.Mix Melted Butter and Sugars:Whisk until smooth and emulsified.
In a large mixing bowl, whisk the melted, slightly cooled unsalted butter, packed light brown sugar, and granulated sugar together for approximately 1–2 minutes until glossy and smooth.
3.Incorporate Wet Ingredients:Add banana, egg yolk, and vanilla.
Add the 1/3 cup of mashed banana, single egg yolk, and pure vanilla extract to the butter mixture, whisking until fully incorporated.
4.Combine Dry Flour Base:Whisk flour, baking soda, cinnamon, and salt.
In a separate bowl, whisk together the all-purpose flour, baking soda, ground cinnamon, and fine salt until uniformly combined.
5.Form Cookie Dough:Fold with a spatula just until dough forms.
Gradually fold the dry flour mixture into the banana mixture using a rubber spatula. Mix just until no dry flour streaks remain. Do not overmix.
6.Fold Inclusions:Fold in chocolate chips and walnuts.
Gently fold in 1 cup of semisweet chocolate chips and 1/3 cup of optional chopped walnuts until evenly distributed throughout the soft dough.
7.Chill Dough:Refrigerate 30 minutes to firm up fats.
Cover the mixing bowl tightly with plastic wrap and refrigerate for at least 30 minutes. Chilling hydrates the flour starches and solidifies fats for a thicker, chewier cookie.
8.Preheat, Portion, and Top:Scoop 2-tablespoon balls (~40g).
Preheat your oven to 350°F (175°C) and line two large baking sheets with parchment paper. Scoop 2-tablespoon portions of chilled dough, roll into balls, and arrange 2 inches apart. Press a few reserved chocolate chips into the top of each dough ball.
9.Bake Until Edges Are Golden:Bake 11 to 13 minutes.
Bake at 350°F for 11–13 minutes, until the outer edges are lightly golden brown and the centers look just set but remain soft.
10.Cool and Finish with Sea Salt:Rest 10 minutes on warm pan.
Allow the cookies to rest on the warm baking sheets for 10 minutes to finish carryover setting. Sprinkle lightly with flaky sea salt while warm, then transfer to a wire cooling rack to cool.
Pro Tips for Baking Success
- Measure Banana Precisely: Bananas introduce high moisture. Adding more than 1/3 cup (80g) will cause the cookies to develop a cakey, spongy, muffin-like texture rather than a soft, chewy cookie crumb.
- Use an Egg Yolk Instead of Whole Egg: Omitting the egg white eliminates excess water and albumin protein, ensuring the banana cookies stay dense, fudgy, and chewy.
- Use Very Ripe Bananas: Bananas with heavy dark spots on the peel contain converted simple sugars and intense banana aromatics, giving you authentic banana bread flavor without adding artificial extracts.
Frequently Asked Questions
How can I make chewy banana bread cookies?
- Omit the Egg White: Use an egg yolk only to eliminate excess water that causes cakey textures.
- Limit Mashed Banana: Stick strictly to 1/3 cup of banana per batch to balance hydration.
- Use Brown Sugar & Melted Butter: Provides rich molasses moisture and dense butterfat structure.
- Chill the Dough: Cools butter fats so the dough bakes thick with caramelized edges.
How long does chocolate chip banana bread last?
- Room Temperature: Stored in an airtight container with parchment paper between layers, chocolate chip banana bread (or banana cookies) stays fresh for 3 to 4 days.
- Refrigerator: Stored in an airtight container in the fridge, it stays moist for up to 7 days.
- Freezer: Baked cookies can be frozen for up to 3 months.
What is the secret to a chewy chocolate chip cookie?
The secrets to chewy cookies include using melted butter (to prevent excess aeration), a high ratio of brown sugar to white sugar (for hygroscopic moisture retention), adding an extra egg yolk (for emulsified fat), and slightly underbaking so the residual pan heat sets the center.
Why is banana bread chewy?
Banana bread becomes noticeably chewy when it contains higher proportions of fat, brown sugar, or melted butter relative to flour, or when higher gluten development occurs during mixing. In cookies, controlled banana moisture paired with egg yolk lipids generates a pleasant, fudgy chewiness.
PrintChewy Banana Bread Chocolate Chip Cookies
- Total Time: 1 hour 8 minutes
- Yield: 20 cookies 1x
- Diet: Vegetarian
Description
These Chewy Banana Bread Chocolate Chip Cookies combine everything you love about homemade banana bread with the irresistible texture of a soft, chewy chocolate chip cookie. Made with sweet, very ripe bananas, melted butter, brown sugar, warm cinnamon, and plenty of semisweet chocolate chips, these cookies have lightly golden edges and wonderfully tender, dense centers. Optional chopped walnuts or pecans add a delicious crunch, while a sprinkle of flaky sea salt brings out the rich chocolate and caramel-like banana flavors. Perfect for using up ripe bananas, weekend baking, lunchbox treats, or enjoying slightly warm with a glass of milk!
Ingredients
- For the Chewy Banana Bread Cookie Base:
- 1/2 cup (1 stick / 113 g) unsalted butter, melted and slightly cooled
- 3/4 cup (150 g) packed light brown sugar
- 1/4 cup (50 g) granulated sugar
- 1/3 cup (80 g) thoroughly mashed, very ripe banana (approximately 1 medium banana)
- 1 large egg yolk, room temperature
- 1 tsp pure vanilla extract
- 1 3/4 cups (218 g) all-purpose flour
- 1/2 tsp baking soda
- 1/2 tsp ground cinnamon
- 1/2 tsp fine salt
- 1 cup (170 g) semisweet chocolate chips
- 1/3 cup (40 g) chopped walnuts or pecans (optional)
- For Topping and Finish:
- 2 tbsp extra semisweet chocolate chips (for pressing on top)
- Flaky sea salt (such as Maldon), for final sprinkling (optional)
Instructions
- Prepare and Measure Ripe Banana: Select a very ripe banana with plenty of brown spots on its peel. Place the peeled banana on a plate and mash thoroughly with a fork until completely smooth and free of large lumps. Measure exactly 1/3 cup (80 g) of mashed banana and set aside.
- Mix Melted Butter and Sugars: In a large mixing bowl, combine the melted, slightly cooled unsalted butter, packed light brown sugar, and granulated sugar. Whisk vigorously for approximately 1–2 minutes until the mixture becomes smooth, glossy, and fully combined.
- Incorporate Wet Ingredients: Add the precisely measured 1/3 cup (80 g) of mashed ripe banana, the room-temperature egg yolk, and pure vanilla extract to the butter and sugar mixture. Whisk until all the wet ingredients are fully incorporated and the mixture is smooth.
- Combine Dry Flour Base: In a separate medium mixing bowl, whisk together the all-purpose flour, baking soda, ground cinnamon, and fine salt until evenly blended.
- Form Cookie Dough: Gradually add the prepared dry flour mixture to the banana and butter mixture. Using a rubber spatula, gently fold everything together just until a soft, cohesive cookie dough forms and no dry flour streaks remain. Avoid overmixing to preserve the tender, chewy texture.
- Fold in Chocolate Chips and Nuts: Gently fold 1 cup (170 g) of semisweet chocolate chips into the cookie dough. If desired, add 1/3 cup (40 g) of chopped walnuts or pecans. Mix carefully with a rubber spatula until the chocolate chips and optional nuts are evenly distributed throughout the dough.
- Chill Dough: Cover the mixing bowl tightly with plastic wrap and refrigerate the cookie dough for at least 30 minutes. This essential chilling period allows the flour to hydrate and the melted butter to firm up, helping the cookies bake thicker with soft, dense, chewy centers.
- Preheat, Portion, and Top: Preheat your oven to 350°F (175°C) and line two large baking sheets with parchment paper. Scoop approximately 2-tablespoon portions of chilled cookie dough (~40 g each) and gently roll them into smooth balls. Arrange the dough balls about 2 inches apart on the prepared baking sheets. Press a few of the extra semisweet chocolate chips onto the top of each dough ball for a beautiful bakery-style finish.
- Bake Until Edges Are Golden: Bake the banana bread chocolate chip cookies at 350°F (175°C) for 11–13 minutes, or until the outer edges are lightly golden brown and the centers look just set but remain soft. Avoid overbaking to preserve their wonderfully moist, chewy texture.
- Cool and Finish with Sea Salt: Remove the baking sheets from the oven and allow the cookies to rest on the warm pans for 10 minutes so the centers can finish setting from the residual heat. While the cookies are still warm, sprinkle lightly with optional flaky sea salt. Carefully transfer them to a wire cooling rack and let them cool further before serving. Enjoy slightly warm for deliciously soft cookies with melty chocolate chips!
Notes
- Measure Banana Precisely: Bananas introduce substantial moisture into cookie dough. Adding more than 1/3 cup (80 g) of mashed banana can produce a cakey, spongy, muffin-like texture instead of the soft, dense, chewy consistency that makes these banana bread cookies so delicious.
- Use an Egg Yolk Instead of a Whole Egg: Using only the egg yolk avoids the additional water and egg-white proteins found in a whole egg. This helps the cookies maintain a richer, denser, fudgier texture rather than becoming overly cakey.
- Use Very Ripe Bananas: Choose bananas with plenty of dark brown spots on their peels. As bananas ripen, their starches convert into natural sugars and their flavor becomes more concentrated, giving these cookies authentic, wonderfully sweet banana bread flavor without artificial extracts.
- Prep Time: 15 minutes
- Cook Time: 13 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cookie
- Calories: 205
- Sugar: 16g
- Sodium: 90mg
- Fat: 10g
- Saturated Fat: 6g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 28g
- Fiber: 1g
- Protein: 2g
- Cholesterol: 28mg