2 egg whites
Pinch of salt
1/2 tsp. cream of tartar
3/4 c. sugar
1 pkg. chocolate chips (mint)
Few drops of green coloring

Mix egg whites, salt, cream of tartar until stiff. Add sugar, chips and food coloring. Drop on cookie sheet covered with wax paper.

Preheat oven to 375 degrees for 15 minutes. Turn off oven. Put cookies in. Leave in oven overnight.