Banana Chocolate Chip Cookies
These cookies are the kind I reach for when I have ripe bananas and need something quick but comforting. They’re chewy, slightly cakey around the center, and studded with dark chocolate and crunchy walnuts. No creaming of butter and sugar, no eggs — just straightforward mixing and a chill in the fridge to let the dough settle.
I wrote this recipe to be practical: pantry-friendly amounts, clear timing, and a few tricks that actually save time. If you bake a batch, you’ll notice they travel well in a lunchbox, vanish quickly at a coffee break, and make a reliable late-night snack. The banana adds moisture and a gentle sweetness that pairs beautifully with dark chocolate.
Follow the steps in order. Chill the dough. Bake until the edges turn medium golden brown. The result is a small, dependable cookie that feels special without a lot of fuss. Below you’ll find everything I use, the exact ingredient notes, step-by-step directions, troubleshooting tips, storage guidance, and small variations for every season.
What You’ll Gather
Before you start, gather your ingredients and one mixing bowl. You’ll need two ripe bananas (to make 1/2 cup mashed), brown and granulated sugar, melted unsalted butter, baking soda, kosher salt, all-purpose flour, dark chocolate, and walnuts. Have your baking sheet and parchment ready so you can bake as soon as the dough has chilled.
Ingredients
- 1/2 cup mashed banana (from 2 bananas) — adds moisture and banana flavor; use very ripe bananas for best sweetness and softness.
- 2/3 cup firmly packed brown sugar — provides sweetness and chewiness; the molasses in brown sugar keeps cookies tender.
- 1/4 cup granulated sugar — balances sweetness and aids browning at the edges.
- 1/4 cup unsalted butter, melted — gives richness and helps the dough come together easily when melted.
- 1 teaspoon baking soda — leavening to help the cookies spread and rise slightly.
- 1/2 teaspoon kosher salt — brightens and balances the sweetness.
- 1 1/2 cups all-purpose flour — the structure for the cookies; measure by spooning into the cup and leveling off for accuracy.
- 4 ounces dark chocolate chunks or chocolate chips, chopped — pockets of chocolate throughout; chop chips or chunks if you want irregular melty bits.
- 1/3 cup walnuts, finely chopped — adds texture and a nutty counterpoint to the sweet banana and chocolate.
Build Banana Chocolate Chip Cookies Step by Step
- Measure 1/2 cup mashed banana (about 2 bananas) into a large bowl. Add 2/3 cup firmly packed brown sugar, 1/4 cup granulated sugar, and 1/4 cup melted unsalted butter. Whisk until the mixture is smooth and any large banana pieces are broken up.
- Add 1 teaspoon baking soda and 1/2 teaspoon kosher salt to the bowl and whisk again until combined.
- Add 1 1/2 cups all-purpose flour. Switch to a spatula and fold the flour into the wet mixture until just incorporated; do not overmix.
- Add 4 ounces chopped dark chocolate (chunks or chips, chopped as listed) and 1/3 cup finely chopped walnuts. Fold them into the dough until evenly distributed.
- Cover the bowl with plastic wrap and refrigerate the dough for 1 hour.
- When ready to bake, preheat the oven to 350°F and line a baking sheet with parchment paper.
- Portion the chilled dough onto the prepared baking sheet, placing about six dough balls per sheet and spacing them about 3 inches apart.
- Bake each sheet for 10 to 12 minutes, until the cookie edges are medium golden brown.
- Remove the baking sheet from the oven and allow the cookies to cool on the sheet for about 10 minutes (they will deflate slightly as they cool). Repeat baking with the remaining dough.
Top Reasons to Make Banana Chocolate Chip Cookies
They rescue overripe bananas. If you hate wasting food, this recipe is a reliable way to use fruit that’s past eating on its own. The bananas keep the cookies moist so you don’t need eggs or extra butter.
They’re quick to pull together. Mixing takes minutes, and the one-hour chill is hands-off. That downtime lets flavors meld so the finished cookie is better than a throw-together batter.
They’re versatile. Dark chocolate and walnuts are the base, but the dough is forgiving: swap nuts or chocolate types if you need to. They also keep well, which makes them great for make-ahead snacks or school lunches.
If You’re Out Of…
- Walnuts: omit them or swap in the same amount of another nut you have (pecans or almonds work well). For no nuts, add an extra 2 tablespoons of chocolate for texture.
- Dark chocolate: use semisweet or milk chocolate chips in the same 4-ounce amount. Larger chunks give more melty pockets; chips give uniform bites.
- Kosher salt: use a slightly smaller measure of fine table salt (about 1/4 to 1/3 teaspoon) because table salt is denser.
- Unsalted butter: if you only have salted butter, omit added salt or reduce it by half.
Toolbox for This Recipe
- Large mixing bowl — for combining wet and dry components.
- Whisk and spatula — whisk for smoothing the banana and sugars; spatula for folding flour without overworking.
- Measuring cups and spoons — accurate measuring keeps texture consistent.
- Food scale (optional) — handy if you prefer weighing chocolate or flour for precision.
- Baking sheet and parchment paper — prevents sticking and helps even browning.
- Plastic wrap — to cover the dough for chilling.
Frequent Missteps to Avoid
Overmixing the flour. Once you add the flour, switch to a spatula and fold just until there’s no visible dry flour. Overworking the dough leads to tougher cookies.
Skipping the chill. The one-hour chill firms the dough and reduces excessive spreading. If you skip refrigeration the cookies may flatten and become thinner than intended.
Baking too long. The recipe specifies 10 to 12 minutes. Pull them when edges are medium golden brown. The centers will appear slightly soft but will set during the 10-minute rest on the sheet.
Spring–Summer–Fall–Winter Ideas
Spring & Summer
Serve with a scoop of vanilla ice cream for an effortless dessert. Add a few teaspoons of lemon zest into the dough for a brighter, fruit-forward cookie when berries are in season.
Fall
Fold in a pinch of ground cinnamon or a tablespoon of pumpkin puree (reduce mashed banana slightly) to lean into cozy flavors. Serve warm with a mug of coffee.
Winter
Mix in 1/4 teaspoon ground cardamom or a sprinkle of espresso powder to deepen the chocolate notes. These cookies are excellent with hot cocoa.
What Could Go Wrong
Cookies spread too thin: Most often this happens when the dough is too warm or hasn’t chilled. Make sure the dough goes into the fridge for the full hour and the oven is properly preheated. Also check that you measured flour correctly — too little flour causes excess spread.
Cookies are dry or crumbly: That usually means the flour was over-measured or the banana was smaller than expected. Use the recommended 1/2 cup of mashed banana — measure after mashing. If the dough looks dry before chilling, a tablespoon or two of milk can bring it together, but add sparingly.
Uneven baking: Rotate pans front to back halfway through baking if your oven has hot spots. Also bake one sheet at a time if your oven racks crowd heat circulation.
Leftovers & Meal Prep
Storage: Let cookies cool completely, then store in an airtight container at room temperature for up to 3 days. For longer storage, freeze cookies in a single layer on a tray until solid, then transfer to a freezer bag for up to 3 months.
Reheating: Warm a cookie in a 300°F oven for 5–7 minutes or microwave for 10–12 seconds to refresh the melty chocolate and soften the crumb.
Make-ahead options: You can prepare the dough and refrigerate it for up to 24 hours before portioning and baking. Alternatively, portion dough into balls and freeze them on a tray; transfer to a bag and bake frozen dough, adding a couple of extra minutes to the bake time.
Common Questions
Can I use overripe bananas? Yes. Very ripe bananas (lots of brown speckles) are preferable because they’re sweeter and mash easily. Measure 1/2 cup after mashing.
Do I have to chop the chocolate and walnuts? The recipe lists chopped chocolate and finely chopped walnuts. Chopping chocolate produces varied pockets of melt and texture; if you only have chips, use them as-is.
Can I make these gluten-free? I haven’t provided a tested gluten-free conversion here, so if you substitute a 1:1 gluten-free flour, expect differences in texture. You may need a binder like xanthan gum if your blend lacks it.
Why no egg? The mashed banana provides moisture and binding in place of an egg. The cookies remain tender and slightly cakey in the center because of that substitution.
How large should the dough balls be? The instructions suggest placing about six dough balls per sheet and spacing them about 3 inches apart. Aim for roughly tablespoon-sized or slightly larger balls — consistent sizing helps even baking.
Final Bite
These Banana Chocolate Chip Cookies are modest in technique and generous in comfort. They’re an excellent way to use ripe bananas, and they offer a reliable, repeatable result: soft centers, golden edges, melty dark chocolate, and just enough crunch from walnuts. Chill the dough. Bake until edges are medium golden. Let them rest on the sheet. That’s the short version of success.
Make them for breakfast-on-the-go, an after-school treat, or a simple dessert. Keep the recipe on hand — it’s one I return to again and again when the bananas need saving and I want something satisfying with minimal fuss.
Banana Chocolate Chip Cookies
Ingredients
Equipment
Method
- Measure 1/2 cup mashed banana (about 2 bananas) into a large bowl. Add 2/3 cup firmly packed brown sugar, 1/4 cup granulated sugar, and 1/4 cup melted unsalted butter. Whisk until the mixture is smooth and any large banana pieces are broken up.
- Add 1 teaspoon baking soda and 1/2 teaspoon kosher salt to the bowl and whisk again until combined.
- Add 1 1/2 cups all-purpose flour. Switch to a spatula and fold the flour into the wet mixture until just incorporated; do not overmix.
- Add 4 ounces chopped dark chocolate (chunks or chips, chopped as listed) and 1/3 cup finely chopped walnuts. Fold them into the dough until evenly distributed.
- Cover the bowl with plastic wrap and refrigerate the dough for 1 hour.
- When ready to bake, preheat the oven to 350°F and line a baking sheet with parchment paper.
- Portion the chilled dough onto the prepared baking sheet, placing about six dough balls per sheet and spacing them about 3 inches apart.
- Bake each sheet for 10 to 12 minutes, until the cookie edges are medium golden brown.
- Remove the baking sheet from the oven and allow the cookies to cool on the sheet for about 10 minutes (they will deflate slightly as they cool). Repeat baking with the remaining dough.
Notes
These cookies freeze like a dream.Here is an entire post about freezing cookie dough!
I like to chop the walnuts pretty finely. It makes for a more satisfying bite.
