This is another recipe from my friend Kyra Effren, a champion cookie baker. Unsweetened coconut is called for, easier to find in a health food store than in the supermarket.
Set racks in the upper and lower thirds of the oven and preheat to 325 degrees.
In the bowl of a standing electric mixer fitted with the whip attachment, whip together on medium speed the egg whites, salt, and lemon juice until white, opaque, and begin