2 1/2 sq. unsweetened chocolate
1/2 c. boiling water
1 envelope unflavored gelatin
1/4 c. cold water
3 egg yolks
1/2 c. sugar
1/4 tsp. salt
1 tsp. vanilla
1/2 c. sugar
3 stiffly beaten egg whites

Melt chocolate. Soften gelatin in cold water and stir into the hot mixture. Add egg yolks (beaten light) with 1/2 cup sugar. Add salt and vanilla. Cool. Beat remaining 1/2 cup sugar into egg whites and fold into chocolate mixture. Pour into cooled pie shell.