Ice Cream Roll
["6 eggs", "1/2 tsp. cream of tartar", "1/2 tsp. salt", "1 c. sugar", "1/2 c. cocoa", "1/3 c. flour", "1 tsp. vanilla"]
["Separate egg whites from yolks and set yolks aside.", "Beat egg whites, cream of tartar and salt until stiff, then add 1/2 cup sugar and mix well."]
["eggs", "cream of tartar", "salt", "sugar", "cocoa", "flour", "vanilla"]