Sponge Cake - cooking recipe

Ingredients

4 eggs, separated
7 Tbsp. cold water
1 1/2 c. sugar
1 1/2 c. cake flour, sifted
1 tsp. vanilla
dash of salt

Preparation

Beat egg whites until stiff; set aside.
Add water to egg yolks.
Beat 5 minutes.
Add sugar.
Beat 5 minutes.
Add flour. Beat 5 minutes.
Add vanilla and salt.
Fold in egg whites.
Place in tube pan.
Bake at 350\u00b0 for 1 hour.