Sponge Cake

Directions

1. 1
   Separate eggs.
2. 2
   Beat egg whites and salt until stiff.
3. 3
   Beat egg yolks, water, sugar, vanilla and flour until a good sponge forms (about 4 minutes at medium speed).
4. 4
   Fold in whites at low speed. Bake in an ungreased tube pan at 350° for 50 minutes.
5. 5
   Invert pan about 20 minutes before removing cake.
6. 6
   Cover with powdered sugar.