01 -
Preheat your oven to 350°F (175°C) and line two cookie sheets with parchment paper. Set them aside.
02 -
In a large bowl, cream together the softened butter and sugar until light and fluffy. Add the egg and lime zest, and mix until well combined.
03 -
In a separate bowl, whisk together the flour, baking powder, and salt. Gradually add this dry mixture to the butter mixture and stir until everything is well combined.
04 -
Using a small cookie scoop or tablespoon, measure out portions of the dough. Roll each portion into a ball, then slightly flatten them with your palm and place them on the prepared cookie sheets.
05 -
Bake the cookies for 8-10 minutes or until they are lightly browned on the bottom. Let them sit on the cookie sheet for 2 minutes before transferring them to a cooling rack.
06 -
In a medium bowl, whisk together the powdered sugar, lime juice, heavy cream, and rum until smooth.
07 -
Once the cookies are cool, dip the tops in the glaze and place them back on the wire rack to set. For a final touch, zest some more limes over the cookies.
08 -
Allow the glaze to harden before enjoying your delicious Key Lime Meltaway Cookies!