Key Lime Meltaways
 
Ingredients
  • 3 sticks (12 oz.) unsalted butter, at room temperature
  • ⅔ cup confectioner's sugar plus t least ½ cup for dusting
  • Zest of 6 to 8 Key limes (depending on size)
  • ⅓ cup freshly squeezed Key lime juice
  • 2 tablespoons vanilla extract
  • 2¾ cups all-purpose flour
  • ¼ cup cornstarch
  • ½ teaspoon salt
Instructions
  1. In a large bowl, whisk together flour, lime zest, cornstarch, and salt. Set aside.
  2. In the bowl of a standing mixer, cream the butter and ⅔ cup confectioner's sugar until light and fluffy.
  3. Add vanilla extract and lime juice to butter-sugar mixture and beat until combined.
  4. Gradually add dry ingredients to the butter-sugar mixture and beat until the dough comes together into a ball.
  5. Divide dough in half.
  6. Roll each dough half into a log about two inches in diameter.
  7. Cover logs with wax or parchment paper and chill at least one hour.
  8. To bake, preheat oven to 350 and line baking sheets with parchment paper or a Silpat baking mat.
  9. Slice dough into ¼ inch thick rounds.
  10. Bake 15 minutes, rotating the baking sheets midway through, until the edges of the cookies are golden brown.
  11. Remove cookies to a wire rack.
  12. While the cookies are still warm, place ½ cup confectioner's sugar into a strainer and thoroughly dust the top of the cookies by holding the strainer over the cookies and tapping the side. If desired, turn the cookies over and dust the underside, adding more sugar to the strainer if necessary.
  13. Store in an airtight container.
Notes
Adapted from Smitten Kitchen
Recipe by West of the Loop at https://www.westoftheloop.com/2014/01/13/key-lime-meltaways/