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Key Lime Cookies Recipe


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4.2 from 36 reviews

  • Author: Ava
  • Total Time: 21 minutes
  • Yield: 12 servings

Description

These Key Lime Cookies are a delightful treat that combines a soft, buttery cookie base with the zesty brightness of lime curd and a sweet, creamy topping. Featuring graham cracker crumbs for a subtle crunch and a hint of cinnamon for warmth, these cookies are perfect for a refreshing dessert or an afternoon snack.


Ingredients

Cookies

  • 1/2 cup (113g) unsalted butter, melted
  • 1/4 cup (50g) granulated sugar
  • 1/2 cup (100g) light brown sugar
  • 1 tablespoon (20g) honey
  • 1 large egg, at room temperature
  • 1 teaspoon vanilla extract
  • 1 cup (120g) all-purpose flour
  • 1/4 cup (38g) whole wheat flour
  • 1/4 teaspoon salt
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon ground cinnamon
  • 4 sheets (61g) graham crackers, coarsely crushed

Topping

  • 1/2 cup (113g) unsalted butter, at room temperature
  • 7 ounces (200g) sweetened condensed milk
  • 1/2 cup lime curd
  • Optional: 1/2 teaspoon vanilla extract


Instructions

  1. Prepare the cookie dough: In a bowl, stir together the melted butter, granulated sugar, brown sugar, and honey until the sugar has dissolved completely.
  2. Add wet ingredients: Stir in the egg and vanilla extract until the mixture is well combined and smooth.
  3. Incorporate dry ingredients: Add the salt, baking soda, all-purpose flour, whole wheat flour, and ground cinnamon. Fold the ingredients gently with a spatula until almost combined to avoid overmixing.
  4. Add crushed graham crackers: Fold in three-quarters of the coarsely crushed graham crackers by hand, ensuring they are evenly distributed throughout the dough.
  5. Shape the cookies: Using a 3 tablespoon cookie scoop, portion the dough into balls and place them on a parchment-lined baking sheet, spacing them about 2 inches apart to allow for spreading during baking.
  6. Bake the cookies: Preheat the oven to 350°F (175°C) and bake the cookies for 10-11 minutes or until the tops are no longer shiny, indicating they are set.
  7. Cool the cookies: Remove the baking sheet from the oven and allow the cookies to cool completely on the sheet to firm up.
  8. Prepare the topping: In a mixing bowl, whip the room-temperature butter on high speed for 8-10 minutes until it becomes light, fluffy, and doubles in size.
  9. Add sweetened condensed milk: Gradually add the sweetened condensed milk in three parts, mixing on low speed between each addition until just combined. Optionally, add 1/2 teaspoon vanilla extract for enhanced flavor.
  10. Frost the cookies: Once the cookies are cooled, spread a thin layer of the butter and condensed milk frosting evenly over each cookie.
  11. Add finishing touches: Drizzle lime curd over the frosted cookies and sprinkle the remaining crushed graham crackers on top for an added crunch and decorative finish.

Notes

  • Make sure the egg is at room temperature to ensure better mixing and texture.
  • Do not overmix the dough to keep the cookies tender and soft.
  • Use fresh lime curd for the best flavor impact in the topping.
  • Cookies can be stored in an airtight container at room temperature for up to 3 days or refrigerated for longer freshness.
  • For a dairy-free alternative, substitute butter with vegan butter and use a dairy-free condensed milk option.
  • Prep Time: 10 minutes
  • Cook Time: 11 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American