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Key Lime Cookies with Tangy Lime Glaze Recipe

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3.9 from 21 reviews

These Key Lime Cookies combine buttery shortbread with tangy key lime flavor, finished with a sweet glaze. They are a slice-and-bake treat that offers a perfectly balanced tart and sweet taste, ideal for a refreshing dessert or snack.

  • Total Time: 2 hours 27 minutes
  • Yield: 30 cookies

Ingredients

Cookie Dough

  • ¾ cup unsalted butter, softened
  • ⅔ cup sugar
  • 1 large egg
  • 2 teaspoons vanilla extract
  • 2 tablespoons key lime juice
  • 2 ¼ cups all-purpose flour
  • ¼ teaspoon salt

Key Lime Glaze

  • 1 cup powdered sugar
  • 2 tablespoons key lime juice
  • ½ teaspoon vanilla extract

Instructions

  1. Cream Butter and Sugar: In a bowl, cream together the softened butter and sugar until light and fluffy to create the base of the cookie dough.
  2. Add Wet Ingredients: Beat in the egg, vanilla extract, and key lime juice until fully incorporated, ensuring a smooth and fragrant dough.
  3. Mix Dry Ingredients: In a separate bowl, whisk together the all-purpose flour and salt.
  4. Combine Dough: Gradually add the flour mixture to the butter mixture, mixing until just combined to form the cookie dough.
  5. Shape Dough: Divide the dough into two equal portions. Roll each into a log about 8-9 inches long and 2 inches in diameter for easy slicing later.
  6. Chill Dough: Wrap each dough log tightly in plastic wrap and chill in the refrigerator for at least 2 hours to firm up for slicing.
  7. Preheat Oven: When ready to bake, preheat the oven to 350°F (175°C).
  8. Slice Cookies: Remove one dough log from the refrigerator, unwrap, and slice into 12 even cookies approx. ½ inch thick.
  9. Prepare Baking Sheet: Arrange the cookies on a baking sheet lined with parchment paper or a silicone baking mat, spacing about an inch apart.
  10. Bake Cookies: Bake for 10-12 minutes or until the cookies are set and the edges turn lightly golden. Avoid overbaking to maintain their tender texture.
  11. Cool Slightly: Remove the baking sheet from the oven and let cookies cool on it for 5 minutes to firm up before transferring.
  12. Cool Completely: Transfer the cookies to a wire rack and allow them to cool fully to room temperature.
  13. Prepare Glaze: While cookies cool, whisk together powdered sugar, key lime juice, and vanilla extract until smooth and pourable.
  14. Glaze Cookies: Dip the tops of each cooled cookie into the glaze carefully, then place them back on the wire rack to set.
  15. Store and Serve: Let the glaze dry completely before storing cookies in an airtight container until ready to serve.

Notes

  • Chilling the dough is essential for clean slices and texture.
  • Use fresh key lime juice for the best authentic flavor.
  • Do not overbake to keep the cookies tender and crumbly.
  • The glaze can be adjusted for thickness by adding more powdered sugar or lime juice.
  • Store cookies in an airtight container to maintain freshness.
  • Author: ELLA
  • Prep Time: 15 minutes
  • Cook Time: 12 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American