Brown Butter Zucchini Oatmeal Chocolate Chip Cookies
These brown butter zucchini oatmeal chocolate chip cookies are soft, chewy, and packed with flavor. The perfect way to use up garden zucchini! Get the recipe.
Continue the meal with Brown Butter Pumpkin Oatmeal Scotchies, Brown Butter Salted Caramel Snickerdoodle Blondies, and Brown Butter Chocolate Chip Cookies.
Why These Brown Butter Zucchini Oatmeal Chocolate Chip Cookies Work So Well
Brown butter brings a deep nutty flavor that cinnamon and nutmeg warm up even more. The shredded zucchini keeps them incredibly soft and moist without any vegetable taste, while old-fashioned oats add a hearty chew. And with plenty of chocolate chips, each bite is a little reward for using up that garden zucchini.
Reasons to Love These Brown Butter Zucchini Cookies
- Rich flavor from brown butter, It adds a toasty, caramel-like depth that regular butter can’t match, and it only takes a few minutes on the stove.
- Soft and chewy texture, The zucchini and oats create a tender, moist cookie that stays soft for days.
- Easy one-bowl method, No mixer needed; you just stir everything together by hand.
Key Ingredients for Brown Butter Zucchini Oatmeal Cookies
- Unsalted butter, Cutting it into tablespoon pieces before browning helps it melt evenly and brown faster. Use unsalted so you can control the salt level.
- Zucchini, One medium zucchini typically yields about 1 cup of shredded zucchini. No need to peel it.
- Old-fashioned oats, Use rolled oats, not quick oats, for the best chewy texture. If you need gluten-free cookies, choose certified gluten-free oats.
Kitchen Tools for Making Brown Butter Zucchini Cookies
- Medium saucepan, A light-colored one helps you see the butter browning.
- Baking sheet, Large enough to space cookies 2 inches apart.
- Parchment paper or Silpat, Prevents sticking and makes cleanup easy.
- Cookie scoop, For even, uniform cookies (1.5 to 2 tablespoons size).
- Box grater, For shredding the zucchini.
Tips for Perfectly Baked Zucchini Oatmeal Chocolate Chip Cookies
When you add the dry ingredients, stir just until no streaks of flour remain. Overmixing can make the cookies tough. The same goes when folding in the oats and chocolate chips, a few stirs is all you need. For the best texture, use a cookie scoop to portion the dough so every cookie is the same size and bakes evenly. Bake until the edges are lightly golden but the centers still look soft. They’ll continue setting up on the hot baking sheet for 5 minutes after you pull them from the oven.
Expert Tips for Brown Butter and Zucchini Prep
When browning the butter, use a light-colored saucepan so you can see the color change. Stir constantly once it starts foaming, and watch for golden brown specks at the bottom. The butter will smell nutty and toasted. Take it off the heat immediately and scrape it into a bowl, including all those brown bits, that’s where the flavor lives.
For the zucchini, shred it on the small holes of a box grater, then squeeze out the excess moisture in a clean kitchen towel or paper towels. If you skip this step, the cookies can turn out too wet and spread too much. You want about 1 cup of squeezed zucchini.
Easy Variations for Zucchini Oatmeal Cookies
Feel free to play with add-ins. Chopped walnuts or pecans add crunch, while shredded coconut brings a chewy texture and tropical note. For a fruitier cookie, toss in raisins or dried cranberries. Toffee bits or white chocolate chips can replace the semisweet chips for a different sweetness. You can even swap the chocolate for butterscotch chips.
How to Serve Brown Butter Zucchini Cookies
These cookies are perfect on their own with a cold glass of milk, but you can also dress them up. Sprinkle a little flaky sea salt on top right after baking for a sweet-salty contrast. Serve them alongside vanilla ice cream for an easy summer dessert, or pack them in lunchboxes for a treat that stays soft for days.
How to Store Leftover Zucchini Oatmeal Cookies
Store the cooled cookies in an airtight container at room temperature for up to 4 days. If your kitchen is warm or humid, move the container to the refrigerator to keep them from getting too soft. They’ll stay fresh there for about a week.
How to Freeze Brown Butter Zucchini Oatmeal Cookies
These cookies freeze beautifully. Let them cool completely, then place them in a single layer on a baking sheet and freeze until firm, about 1 hour. Transfer to an airtight container or freezer bag, layering parchment between stacks. They’ll keep for up to 3 months. You can eat them straight from the freezer, they’re delicious that way, or let them thaw at room temperature for 10 minutes.
How to Reheat Zucchini Oatmeal Cookies
If you prefer warm cookies, microwave one for about 10 seconds. For a crispier edge, pop it in a 300°F oven for 3-5 minutes. But honestly, these cookies are just as good at room temperature or even frozen.
FAQs About Brown Butter Zucchini Oatmeal Chocolate Chip Cookies
Can I taste the zucchini in these cookies?
No, you won’t taste the zucchini at all. It adds moisture and tenderness, but the brown butter, cinnamon, nutmeg, and chocolate chips are the dominant flavors. Just be sure to squeeze out the excess water before adding it.
Why did my cookies spread too much?
If your cookies spread into flat puddles, the butter may have been too warm when you mixed the dough. Let the browned butter cool to room temperature (about 10 minutes in the fridge is enough). Also, make sure you squeezed the zucchini well, extra moisture can cause spreading.
Can I use quick oats instead of old-fashioned oats?
You can, but the texture will be different. Quick oats are more finely chopped, so the cookies will be softer and less chewy. Old-fashioned oats give a heartier chew and a more rustic look. If you use quick oats, reduce the oats to about 1 3/4 cups.
Can I make the dough ahead of time?
Yes. You can scoop the dough and refrigerate the balls for up to 2 days before baking. You can also freeze the dough balls on a baking sheet, then transfer to a freezer bag and bake directly from frozen, adding 1-2 minutes to the baking time.
Recipe
Brown Butter Zucchini Oatmeal Chocolate Chip Cookies

Brown butter oatmeal cookies made with zucchini and chocolate chips! The best way to use up the garden zucchini!
Ingredients
- 0.5 cup unsalted butter, cut into tablespoon pieces
- 1 cup all-purpose flour
- 1 tsp ground cinnamon
- 0.75 tsp baking soda
- 0.5 tsp salt
- 0.125 tsp ground nutmeg, optional
- 0.5 cup dark brown sugar
- 0.25 cup granulated sugar
- 1 large egg
- 2 tsp vanilla extract
- 1 cup shredded zucchini, squeeze out excess liquid
- 2 cup old fashioned oats
- 1 cup semisweet chocolate chips
- flaky sea salt, for sprinkling on cookies
Instructions
- 1
Preheat oven to 350 degrees F. Line a large baking sheet with parchment paper or a Slipat baking mat and set aside.
- 2
Place the butter in a medium saucepan and melt over medium heat, stirring often, until it foams, smells nutty, and browns. This will take about 5 to 7minutes. Scrape the browned butter into a large bowl. Let cool to room temperature. You can put it in the fridge to speed up the process.
- 3
In a small bowl, whisk together the flour, cinnamon, baking soda, salt, and nutmeg, if using. Set aside.
- 4
Add the sugars to the brown butter and stir with a spatula until combined. Add the egg and vanilla extract and stir until smooth. Stir in the shredded zucchini.
- 5
Add the dry ingredients and mix until just combined. Stir in the oats and chocolate chips; don’t over mix.
- 6
Use a cookie scoop to scoop the dough (1.5 to 2 tablespoons) onto the prepared baking sheet, leaving about 2-inches in between the cookies.
- 7
Bake for 12 to 14 minutes or until lightly browned on the sides
Nutrition (per serving)
Calorie breakdown
How this was calculated — 14 of 14 ingredients matched
Nutrition information is automatically calculated from USDA FoodData Central, so should only be used as an approximation. Actual values may vary depending on the ingredients, brands, and preparation methods used.
Open in analyzerKeyword: dessert, Oven Baked, vegetarian
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