2 egg whites
Pinch of salt
1/2 tsp. cream of tartar
3/4 c. sugar
1 pkg. mint chocolate chips
Green food coloring

Mix egg whites, salt, and cream of tartar until stiff, using electric mixer. Mix in sugar, chips, and coloring. Drop by teaspoonsful on foil-lined cookie sheet.

Preheat electric oven to 375 degrees for 15 minutes. Turn oven off, put cookies in and leave overnight or at least 4 hours.