Key lime cookies are a refreshing and delightful treat, perfect for those who love the zesty flavor of key lime. These cookies are soft, chewy, and bursting with citrusy goodness. Follow this recipe to make delicious key lime cookies that will bring a taste of tropical sunshine to your kitchen.
What are Key Lime Cookies?
Key lime cookies are soft, chewy cookies made with key lime juice and zest. They have a distinctive tart flavor balanced by a sweet and buttery dough. Often, they are finished with a dusting of powdered sugar or a drizzle of lime glaze to enhance their citrusy profile.
Ingredients List for Key Lime Cookies
To make these delicious key lime cookies, you will need the following ingredients:
For the Cookies:
- 1 cup unsalted butter, softened
- 1 cup granulated sugar
- 1 large egg
- 1 tablespoon key lime zest (from about 4-5 key limes)
- ¼ cup key lime juice (from about 8-10 key limes)
- 1 teaspoon vanilla extract
- 2 ¾ cups all-purpose flour
- ½ teaspoon baking powder
- ½ teaspoon baking soda
- ½ teaspoon salt
For the Optional Lime Glaze:
- 1 cup powdered sugar
- 2-3 tablespoons key lime juice
- Additional key lime zest for garnish
Substitutions and Variations
You can customize this recipe to suit your dietary needs or preferences. Here are a few ideas:
- Gluten-Free: Substitute the all-purpose flour with a gluten-free flour blend.
- Dairy-Free: Use a dairy-free butter substitute.
- Different Citrus: Try using lemon or orange juice and zest for a different citrus flavor.
- Add White Chocolate Chips: Incorporate white chocolate chips into the dough for a sweet, creamy contrast to the tart lime.
Step-by-Step Cooking Instructions

Follow these detailed steps to make your key lime cookies:
For the Cookies:
- Preheat the Oven: Preheat your oven to 350°F (175°C) and line two baking sheets with parchment paper.
- Cream the Butter and Sugar: In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy.
- Add Egg, Zest, Juice, and Vanilla: Beat in the egg, key lime zest, key lime juice, and vanilla extract until well combined.
- Mix Dry Ingredients: In a separate bowl, whisk together the flour, baking powder, baking soda, and salt.
- Combine Wet and Dry Ingredients: Gradually add the dry ingredients to the butter mixture, mixing until just combined.
- Scoop the Dough: Use a cookie scoop or tablespoon to drop dough balls onto the prepared baking sheets, spacing them about 2 inches apart.
- Bake: Bake the cookies in the preheated oven for 10-12 minutes, or until the edges are set and the centers are slightly soft.
- Cool: Allow the cookies to cool on the baking sheets for a few minutes, then transfer them to a wire rack to cool completely.
For the Optional Lime Glaze:
- Prepare the Glaze: In a small bowl, whisk together the powdered sugar and key lime juice until smooth. Adjust the consistency by adding more juice or powdered sugar as needed.
- Drizzle the Glaze: Once the cookies are completely cool, drizzle the glaze over the tops using a spoon or a piping bag.
- Garnish: Sprinkle additional key lime zest over the glazed cookies for extra flavor and decoration.
Common Mistakes to Avoid
- Overbaking: Be sure to remove the cookies from the oven when the edges are set but the centers are still slightly soft. They will continue to firm up as they cool.
- Using Bottled Lime Juice: Fresh key lime juice and zest provide the best flavor. Avoid using bottled juice if possible.
- Overmixing the Dough: Overmixing can lead to tough cookies. Mix until the ingredients are just combined.
Serving and Presentation Tips
How to Serve Key Lime Cookies:
- Temperature: Serve the cookies at room temperature.
- Pairing: Enjoy these cookies with a cup of tea, coffee, or a glass of cold milk.
Presentation Ideas for Key Lime Cookies:
- Decorative Plate: Arrange the cookies on a decorative plate or a tiered cookie stand for an attractive presentation.
- Gift Packaging: Package the cookies in a decorative tin or a cellophane bag tied with a ribbon for a beautiful homemade gift.
- Garnish: Add a sprinkle of powdered sugar or extra lime zest on top for a lovely finishing touch.
Key Lime Cookies Recipe Tips
- Room Temperature Ingredients: Ensure all ingredients, especially butter and egg, are at room temperature for smooth mixing.
- Measuring Flour: Measure the flour correctly by spooning it into the measuring cup and leveling it off with a knife to avoid dense cookies.
- Zesting Key Limes: Use a microplane zester to finely zest the key limes, avoiding the bitter white pith.
- Storing the Cookies: Store the cookies in an airtight container at room temperature for up to a week. They can also be frozen for longer storage.
Frequently Asked Questions (FAQs)
Can I freeze key lime cookies?
Yes, you can freeze the cookies. Place them in an airtight container or freezer bag and freeze for up to 3 months. Thaw at room temperature before serving.
How long do key lime cookies last?
Stored in an airtight container at room temperature, these cookies can last up to a week. They can also be frozen for longer storage.
Can I make the dough ahead of time?
Yes, you can prepare the dough ahead of time and refrigerate it for up to 2 days. Let it sit at room temperature for about 10-15 minutes before baking.
Can I use regular limes instead of key limes?
Yes, you can use regular limes if key limes are not available. The flavor will be slightly different but still delicious.
What can I use instead of key lime juice?
If you can't find key lime juice, you can use regular lime juice or a combination of lime and lemon juice.
Conclusion
Making key lime cookies at home is a delightful and easy way to enjoy a taste of tropical sunshine. With their bright, citrusy flavor and soft, chewy texture, these cookies are sure to be a hit. Follow the step-by-step instructions and tips provided to create these delicious cookies, and enjoy baking and sharing this wonderful treat with your loved ones. Happy baking!
PrintKey Lime Cookies Recipe
Enjoy the bright and tangy flavors of these key lime cookies, topped with a refreshing lime glaze. Perfect for any occasion, these cookies are a delightful twist on a classic treat.
- Prep Time: 20 minutes
- Cook Time: 12 minutes
- Total Time: 32 minutes
- Yield: 24 cookies 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Ingredients
For the Cookies:
- 1 cup unsalted butter, softened
- 1 cup granulated sugar
- 1 large egg
- 1 tablespoon key lime zest (from about 4-5 key limes)
- ¼ cup key lime juice (from about 8-10 key limes)
- 1 teaspoon vanilla extract
- 2 ¾ cups all-purpose flour
- ½ teaspoon baking powder
- ½ teaspoon baking soda
- ½ teaspoon salt
For the Optional Lime Glaze:
- 1 cup powdered sugar
- 2-3 tablespoons key lime juice
- Additional key lime zest for garnish
Instructions
- Prepare the Dough:
- Preheat the oven to 350°F (175°C). Line a baking sheet with parchment paper.
- In a large bowl, cream together the softened butter and granulated sugar until light and fluffy.
- Beat in the egg, key lime zest, key lime juice, and vanilla extract until well combined.
- In a separate bowl, whisk together the flour, baking powder, baking soda, and salt.
- Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
- Bake the Cookies:
- Scoop tablespoon-sized balls of dough onto the prepared baking sheet, spacing them about 2 inches apart.
- Flatten each ball slightly with the back of a spoon.
- Bake in the preheated oven for 10-12 minutes, or until the edges are lightly golden.
- Allow the cookies to cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.
- Prepare the Lime Glaze (Optional):
- In a small bowl, whisk together the powdered sugar and key lime juice until smooth.
- Drizzle the glaze over the cooled cookies and sprinkle with additional key lime zest for garnish.
Notes
- For a more intense lime flavor, increase the amount of key lime zest in the dough.
- Ensure the butter is softened for easier mixing and better texture.
Nutrition
- Serving Size: 1 cookie
- Calories: 150
- Sugar: 12g
- Sodium: 75mg
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