In a bowl mix four, salt and mix well and set aside.
In another bowl add mint leaves and sugar and mix well and set aside.
In a kitchen aid mixer fitted with paddle attachment place butter, powdered sugar and lime zest and mint leaves and incorporated.
To this incorporate lime juice and mix once again, gradually add flour and salt mixture and combine everything.
Remove the dough and shape it into either log or a disc and refrigerate for at least 2 hours or overnight, you can keep upto 2 days refrigerated dough.
When you are ready to bake pre-heat oven to 350F and line the baking sheet with parchment paper.
Transfer the refrigerated dough the well-floured work bench and spread it into ¼ thickness rectangle. Then cut out desired shaped and transfer to the baking sheet.
Bake it until the sides becomes slightly golden brown about 14-16 minutes.
Transfer the cookies to cooling rack and let it completely cool . Dust with powdered sugar before serving.
I preferred without powdered sugar.
Enjoy