Mousse au Chocolat

Day Before or Early in Day: In double boiler, over hot, not boiling, water, melt 1/3-1/2 c. semisweet chocolate pieces with 1 tbs. water, stirring until smooth. Remove from heat and add 3 egg yolks, one at time, beating well after each addition. In medium bowl, with electric mixer at high speed, Beat 3 egg whites until stiff; gently fold into chocolate mixture. Spoon mixture lightly into 4 sherbert glasses; refrigerate. 4 servings.