1
Preheat the oven to 350 degrees, and line 2 cookie sheets with parchment paper (or just lightly grease them).
2
Crumble the almond paste into a mixing bowl and beat with handheld mixer until crumbled fine.
3
Sprinkle the sugar over the almond paste while continuing to beat, until the sugar is incorporated.
4
Beat in the egg whites, one at a time and continue beating until the dough is smooth.
5
Spread the pine nuts out on a plate.
6
Roll 1 tablespoon of the dough at a time, into a ball between your palms, and then roll it in the pine nuts to coat on all sides.
7
Transfer to the prepared cookie sheets and press them lightly to flatten slightly and to help the nuts adhere to the cookies.
8
Bake the cookies until they are lightly browned ans soft and springy, about 15 minutes.
9
Cool completely on wire racks, and dust liberally with powdered sugar before serving. Enjoy!