These Key Lime Cookies are soft, buttery cookies infused with fresh lime zest and finished with a sweet, tangy key lime glaze. They’re bright, refreshing, and the perfect citrus dessert for spring, summer, or anytime you want something light and flavorful.
Why You’ll Love This Recipe
- Soft and tender cookie texture
- Bright citrus flavor from real key limes
- Simple ingredients and easy steps
- Perfect for parties, gifting, or everyday treats
Ingredients
Cookies
- 1/2 cup unsalted butter, softened
- 1 large egg
- 3/4 cup granulated sugar
- 1/4 cup light brown sugar
- 1 teaspoon vanilla extract
- 2–3 teaspoons key lime zest
- 1 3/4 cups all-purpose flour
- 1/2 teaspoon baking soda
- 1/2 teaspoon salt
Key Lime Glaze
- 1 cup powdered sugar
- 1 tablespoon key lime juice
- 1 tablespoon milk
- 1/4 teaspoon vanilla extract
- Pinch of salt (optional)
- 1/2 teaspoon key lime zest
Instructions
- Preheat the oven to 350°F (175°C). Line a baking sheet with parchment paper.
- In a small bowl, whisk together flour, baking soda, and salt. Set aside.
- In a large bowl, beat butter, granulated sugar, and brown sugar until light and fluffy, about 1–2 minutes.
- Add the egg and vanilla extract and mix until combined.
- Stir in the key lime zest.
- Gradually add the dry ingredients, mixing just until a soft dough forms.
- Roll dough into 1½-inch balls and place on the prepared baking sheet.
- Bake for 8–10 minutes, until the edges are set but centers are soft.
- Cool on the baking sheet for 2–3 minutes, then transfer to a wire rack to cool completely.
- Whisk together all glaze ingredients until smooth. Adjust consistency if needed.
- Once cookies are fully cooled, dip or spread glaze over the tops. Allow glaze to set before serving.
Tips & Tricks
- Do not overbake—cookies should stay pale and soft
- Use fresh key lime zest for the best flavor
- Let cookies cool fully before glazing
- Adjust glaze thickness by adding more sugar or liquid
Details
- Prep Time: 15 minutes
- Cook Time: 10 minutes
- Total Time: 25 minutes
- Yield: 18–20 cookies
- Category: Dessert
- Method: Baking
- Cuisine: American
- Difficulty: Easy
Notes
If key limes are unavailable, regular limes can be used. For extra citrus flavor, add additional zest to the glaze.
Nutrition (Approximate per cookie)
- Calories: 165
- Protein: 2 g
- Carbohydrates: 24 g
- Fat: 7 g
FAQ
Can I use regular limes instead of key limes?
Yes, regular limes work well with slightly less acidity.
Do these cookies need refrigeration?
No, they can be stored at room temperature.
Can I freeze the cookies?
Yes, freeze unglazed cookies for up to 2 months.
How do I keep the cookies soft?
Store them in an airtight container with a slice of bread.
Can I skip the glaze?
Yes, the cookies are delicious on their own.
Storage
- Room Temperature: Store in an airtight container for 4–5 days
- Freezer: Freeze unglazed cookies for up to 2 months
- Make Ahead: Dough can be chilled up to 24 hours
Similar Recipes
Key Lime Cookies
Ingredients
Cookies
- 1/2 cup unsalted butter softened
- 1 large egg
- 3/4 cup granulated sugar
- 1/4 cup light brown sugar
- 1 teaspoon vanilla extract
- 2 –3 teaspoons key lime zest
- 1 3/4 cups all-purpose flour
- 1/2 teaspoon baking soda
- 1/2 teaspoon salt
Key Lime Glaze
- 1 cup powdered sugar
- 1 tablespoon key lime juice
- 1 tablespoon milk
- 1/4 teaspoon vanilla extract
- Pinch of salt optional
- 1/2 teaspoon key lime zest
Instructions
- Preheat the oven to 350°F (175°C). Line a baking sheet with parchment paper.
- In a small bowl, whisk together flour, baking soda, and salt. Set aside.
- In a large bowl, beat butter, granulated sugar, and brown sugar until light and fluffy, about 1–2 minutes.
- Add the egg and vanilla extract and mix until combined.
- Stir in the key lime zest.
- Gradually add the dry ingredients, mixing just until a soft dough forms.
- Roll dough into 1½-inch balls and place on the prepared baking sheet.
- Bake for 8–10 minutes, until the edges are set but centers are soft.
- Cool on the baking sheet for 2–3 minutes, then transfer to a wire rack to cool completely.
- Whisk together all glaze ingredients until smooth. Adjust consistency if needed.
- Once cookies are fully cooled, dip or spread glaze over the tops. Allow glaze to set before serving.
Notes
Conclusion
These Key Lime Cookies are soft, zesty, and perfectly balanced with a sweet citrus glaze. They’re easy to make and guaranteed to brighten any dessert table with their fresh, vibrant flavor.