This recipe can easily be doubled.
Preheat oven to 375 degrees. Beat egg whites slowly at first with salt, until whites begin to foam. Increase mixer speed to high, and beat until soft peaks form.
Gradually add sugar by tablespoonsful until a stiff mereingue forms. Add vanilla and beat. Add chocolate chips or pecans and mix.
Drop by teaspoonsful onto a greased cookie sheet. Place in oven, turn off oven, go to bed.
The next morning: Remove from cookie sheets and store in air-tight containers.