Preheat oven to 325 degrees Fahrenheit; line a baking sheet with parchment.

Whip egg whites in a medium bowl until frothy.

Fold in coconut, condensed milk, vanilla, lime zest, and juice until well combined.

Drop mounds onto sheet with a cookie scoop.

Bake 15 to 17 minutes, until coconut edges are toasted and golden brown.

Cool completely on pan before moving.