Add flour, lemon and salt, beating until combined.
Stir in coconut. Cover and chill dough for 30 minutes.
Preheat oven to 350 degrees F.
Shape dough into 1-inch balls. Place on a parchment-lined baking sheet. Bake for 15-20 minutes or until golden brown on bottom; cool on wire racks for 5 minutes.
Place remaining powdered in a small bowl. Roll warm cookies in powdered sugar, coating well. Cool completed on wire racks.
Roll cooled cookies in powdered sugar again, coating well.