1Preheat oven to 375 degrees F. Meanwhile start splitting ladyfingers lengthwise. Place cut-side down on baking sheets and bake these for 5 minutes. Allow to cool 10 minutes.
2Brush cut cide of ladyfingers with sherry and line the sides of a 10-inch spring form pan - tightly with these. (Uncut sides go against pan) Arrange remaining ladyfingers on bottom of pan. (Uncut side against bottom)
3Place chocolate morsels in top of double boiler, bring water to a boil. Reduce heat to low, stirring occasionally, until chocolate melts. Cool 10 minutes.
4Chill large mixing bowl for whip cream at this time.
Meanwhile beat cream cheese and 3/4 cug of brown sugar at high speed using lectric mixer until light and fluffy. Add egg yolk, one at a time, beating well after each addition. Stir in cool chocolate. Set aside.
5Beat egg whites at room temp and salt at high speed of electric mixer until stiff peaks form. Add vanilla and remaining brown sugar, beat until stiff. Set aside.
6Beat whipping cream until soft peaks form. Fold beaten egg whites and whipped cream into the cream cheese mixture.
Pour into prepared pan on ladyfingers.
Chill 8 hours or longer.
When ready to serve set out of fridge aboaut 10 minutes. Release your pan and voile'!