01 -
Blend the flour, baking powder, and salt together in a bowl and put it aside for now.
02 -
Beat butter, sugar, and coconut with an electric mixer at medium speed until the mix gets fluffy and light.
03 -
Drop in eggs one by one, stirring well each time. Pour in key lime juice, coconut extract, and half the lime zest. Give it a good mix at medium-high for 1 minute, making sure to scrape down the sides so everything gets mixed in.
04 -
Turn the mixer down low and slowly add the dry stuff, mixing just until everything comes together.
05 -
Stick the cookie dough in the fridge for about 20 minutes so it's not so sticky to work with.
06 -
Heat your oven to 350°F (175°C) and put silicone liners or parchment on your baking sheets. Mix the icing sugar with the other half of lime zest in a small bowl.
07 -
Use a small cookie scoop (about 1 1/2 tbsp size) to make balls from the cold dough. Roll each one in the icing sugar and lime zest mix until they're totally covered.
08 -
Put the cookies on your lined baking sheets with 2 inches between them. Bake for 12-15 minutes until they puff up, get firm around the edges, and start to flatten out.
09 -
Leave the cookies on the baking sheets for 5 minutes, then move them to a wire rack to finish cooling off.