Ready for dessert?
Melt chocolate in water on top of double boiler; cool.
Stir in yolks and salt.
Beat egg whites until stiff; add sugar and stir into cooled chocolate mixture, blending well.
Whip heavy cream; add vanilla; fold into chocolate mixture.
Place chunks of angel food cake into 9x13x2" pan.
Cover with chocolate mixture.
Chill at least 6 hours before serving.
Cut into squares and top with ice cream.