These Brown Butter Banana Cookies are chewy in the center, crisp at the edges, and studded with dark chocolate in every bite. Nutty brown butter, ripe banana, and a blend of sugars deliver a deeper, more complex flavor than a standard chocolate chip cookie. This recipe is gluten free without sacrificing texture or taste.
With just a ripe banana and a stick of butter you’re most of the way there. The recipe also works well with coconut sugar for a refined-sugar-free option, making it suitable for a range of dietary preferences.
What Makes Brown Butter Banana Cookies Different?
This cookie uses three key techniques to build flavor: browning the butter for nutty, toffee-like notes; using ripe banana for natural sweetness and moisture; and combining granulated and brown sugar to create crisp edges with a soft, chewy center.
The brown butter especially elevates the cookies, adding a warm, caramelized background that plays beautifully with banana and dark chocolate.
Ingredients
- 1 stick unsalted butter, browned
- ⅓ cup granulated sugar
- ⅓ cup light brown sugar, packed
- ½ cup mashed banana (about 1 very ripe banana)
- 1 egg
- 1 tsp vanilla extract
- 2 cups gluten free 1:1 baking blend (or all-purpose flour)
- ¼ tsp salt
- ¼ tsp baking soda
- 1 cup dark chocolate chips
What Each Ingredient Does
Brown butter
Browning the butter caramelizes the milk solids and adds toffee-like, nutty flavors that regular melted butter can’t match. Let the brown butter cool for at least 10 minutes before mixing so it won’t melt the sugars or create greasy dough.
Two types of sugar
Granulated sugar encourages spread and crisp edges; brown sugar contributes moisture, chewiness, and deeper caramel notes. Use both for the best texture. To make the recipe refined-sugar-free, swap both sugars for the same total amount of coconut sugar.
Ripe banana
Choose a banana with brown spots; as it ripens its starches convert to sugars, adding natural sweetness and moisture. Mashed banana contributes a subtle fruity note that complements brown butter and dark chocolate.
Gluten free flour
A 1:1 gluten free baking blend works best. If you aren’t gluten free, substitute all-purpose flour 1:1. Avoid overmixing once the flour is added to keep the cookies tender.
Egg and vanilla
The egg binds the dough and adds richness. Vanilla enhances the banana and brown butter flavors without overpowering them.
How to Make Brown Butter Banana Cookies: Step-by-Step
1. Brown the butter: melt the butter in a skillet over medium-low heat, swirling until it foams and turns light brown with a nutty aroma. Remove from heat and cool for 10 minutes.
2. In a mixing bowl, combine granulated sugar and light brown sugar. Pour in the cooled brown butter, then stir in the mashed banana, egg, and vanilla until blended.
3. Add the gluten free flour (or all-purpose), salt, and baking soda. Stir just until incorporated—don’t overmix.
4. Fold in the dark chocolate chips.
5. Use a cookie scoop to portion dough onto a parchment-lined baking sheet. Chill the tray in the refrigerator for 30 minutes to firm the dough.
6. Preheat the oven to 350°F (175°C). Bake chilled cookies 10–12 minutes, until edges are golden and centers still look slightly underbaked. Remove and cool on the pan; they will set as they cool.
7. Garnish with banana slices or a pinch of flaky sea salt if desired and enjoy warm or at room temperature.
Why Chilling the Dough Matters
Chilling firms the butter so the cookies spread less in the oven, producing a thicker, chewier center. It also allows the flour to hydrate and the flavors to meld, resulting in cookies that bake more evenly and taste more developed.
Tips for the Best Cookies
Use the ripest banana you can find
A banana with brown spots is sweeter and more flavorful. If your bananas are still yellow, let them ripen on the counter a few days.
Cool the butter before mixing
Let brown butter cool for at least 10 minutes so it’s warm but not hot. Hot butter will melt the sugars and create flat dough.
Do not overbake
Pull cookies when the edges are set but the centers still look slightly underdone. They’ll finish cooking on the hot pan and remain chewy once cooled.
Add flaky sea salt on top
A light sprinkle of flaky sea salt heightens the contrast between banana sweetness and dark chocolate and makes flavors pop.
Substitutions
| Original ingredient | Substitute | Notes |
|---|---|---|
| Gluten free flour | All-purpose flour (1:1) | Same amount, same result |
| Granulated and brown sugar | Coconut sugar (same total amount) | Refined sugar free, similar caramel flavor |
| Dark chocolate chips | Chopped dark chocolate bar | Creates larger, irregular melted pools |
| Unsalted butter | Vegan butter | Can be browned for a dairy-free version |
Storage
Room temperature: Store cookies in an airtight container for up to 4 days. The banana helps keep them soft and moist.
Freezer: Freeze baked cookies up to 2 months and thaw at room temperature for about 30 minutes before serving. You can also freeze portioned dough balls and bake from frozen—add 2–3 minutes to the bake time.
Frequently Asked Questions
Banana provides a gentle background sweetness rather than an overpowering banana flavor. Very ripe bananas will make the note more pronounced; less ripe bananas produce a subtler result.
Yes. All-purpose flour can be used as a direct 1:1 substitute for the gluten free blend and will yield similar cookies.
Skipping the chilling step or using butter that was too warm when mixed are the most common causes. Chill the dough and let brown butter cool fully before combining.
You May Also Like
- Banana Bread Cookies
- Banana Oatmeal Cookies
- Banana Chocolate Chip Cookies
- 3 Ingredient Banana Oatmeal Cookies
- Banana Cake
Ingredients
- 1 stick unsalted butter, browned
- ⅓ cup granulated sugar
- ⅓ cup light brown sugar, packed
- ½ cup mashed banana
- 1 egg
- 1 tsp vanilla extract
- 2 cups gluten free flour (or all-purpose)
- ¼ tsp salt
- ¼ tsp baking soda
- 1 cup dark chocolate chips
Instructions
- Brown the butter in a skillet over medium-low heat until it foams and turns light brown. Remove from heat and cool 10 minutes.
- Combine granulated and brown sugar in a bowl. Add cooled brown butter, mashed banana, egg, and vanilla; stir until combined.
- Add flour, salt, and baking soda and stir until just combined. Fold in chocolate chips.
- Scoop dough onto a parchment-lined baking sheet. Chill the tray 30 minutes.
- Preheat oven to 350°F (175°C). Bake cookies 10–12 minutes until edges are golden and centers still look slightly soft. Cool on the pan to set.
- Optionally top with banana slices or flaky sea salt before serving.
Notes
- If you’re not gluten free, use all-purpose flour 1:1.
- For a refined-sugar-free option, replace both sugars with the same amount of coconut sugar.
- Use a ripe, brown-spotted banana for best flavor.
- Do not skip chilling the dough; chilled dough yields thicker, chewier cookies.
- Store leftovers in an airtight container at room temperature up to 4 days.