Chocolate Mousse Cake

Directions

1. 1
   Butter bottom and sides of spring-form pan.
2. 2
   Melt chips and water; set aside.
3. 3
   Beat sugar and egg yolks, melted chocolate, salt and cream of tartar.
4. 4
   Beat egg whites until stiff.
5. 5
   Fold into mixture.
6. 6
   Arrange ladyfingers or cookies around side of pan, standing upright.
7. 7
   Crumble remainder on bottom of pan.
8. 8
   Add mousse.
9. 9
   Chill.
10. 10
    Cover with Cool Whip.