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The Ultimate Guide to Key Lime Cookies: A Zesty, Buttery Delight

Key Lime Cookies

When I first visited Florida, I tasted a tiny, tangy cookie that made me smile with every bite. These Key Lime Cookies bring back that burst of sunshine—light, buttery, and kissed with citrus. Whether for an afternoon tea or a sweet gift, they’ll brighten any day.

Ingredients

  • 1/2 cup unsalted butter, softened

  • 1/2 cup granulated sugar

  • 1 egg yolk

  • Zest of 2 key limes (or 1 regular lime)

  • 2 tbsp key lime juice

  • 1/2 tsp vanilla extract

  • 1 1/4 cups all-purpose flour

  • 1/4 tsp baking soda

  • Pinch of salt

  • Optional: powdered sugar for dusting

Instructions

  • Preheat oven to 350°F (175°C). Line a baking sheet with parchment paper.

  • Cream butter and sugar until light and fluffy.

  • Mix in egg yolk, lime zest, lime juice, and vanilla.

  • In a separate bowl, whisk flour, baking soda, and salt. Gradually mix into wet ingredients until dough forms.

  • Scoop dough into small balls and place on the baking sheet about 2 inches apart.

  • Bake for 10–12 minutes, until edges are just lightly golden.

  • Cool on a rack and dust with powdered sugar if desired.

Notes

  • Chill dough for 20 minutes if it feels too soft.

  • Add white chocolate chips for a sweet twist.

  • Store in an airtight container up to 1 week (if they last that long!).

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