Nana Rich's Forgotten Cookies

Preheat oven to 375

Beat 2 egg whites , then add 3/4 cup of sugar and a pinch of cream of tarter; this should stand up. Add 1/4 package chocolate chips-fold in. Place by teaspoon on greased cookie sheet. Place in oven-TURN OFF oven. Check after a couple of hours. Ideal to do overnight.