Lemon Mousse Cake

Directions

1. 1
   Heat oven to 350 degrees F. Grease bottoms only of two 8-inch or 9-inch round pans.
2. 2
   Make cake mix as directed on package, using water, oil and egg whites.
3. 3
   Pour into pans.
4. 4
   Bake as directed on package or until toothpick inserted in center comes out clean.
5. 5
   Cool 10 minutes.
6. 6
   Run knife around sides of pans to loosen cakes; remove from pans.
7. 7
   Cool completely, about 1 hour.
8. 8
   Beat whipping cream and powdered sugar in chilled medium bowl with electric mixture on high speed until stiff peaks form.
9. 9
   Fold in lemon curd and lemon peel.
10. 10
    Place 1 cake layer, rounded side down, on serving plate.
11. 11
    Spread with 1 cup of the lemon mixture to within 1/4 inch of edge.
12. 12
    Top with second layer.
13. 13
    Frost side and top of cake with remaining lemon mixture.
14. 14
    Store loosely covered in refrigerator.