Chocolate Mousse Pie

1/4 cup sugar
1/4 cup water
3 squares semi sweet chocolate
2 beaten egg yolks
2 egg whites
1/8 teaspoon cream of tartar
2 Tablespoons sugar
1/2 cup whipping cream

Combine sugar and water in a saucepan.
Cook over low heat until sugar dissolves.
Add chocolate and stir until melted. Cool.
Gradually stir chocolate into beaten egg yolks.
Return mix to saucepan and cook for 2 minutes, stirring constantly.
Cool slightly.
In a clean bowl, beat egg whites and cream of tartar.
Gradually add the 2 Tablespoons of sugar. Beat to stiff peaks.
Fold egg whites gently into chocolate mixture.
Beat whipping cream to soft peaks and gently fold into chocolate mixture.
Cover and chill for 4 hours.