Marshmallow Sponge Cake

Directions

1. 1
   Beat egg yolks separately with 1 cup sugar.
2. 2
   Add orange juice and beat 5 minutes.
3. 3
   Add 1/2 cup sugar to egg whites and beat until stiff and then add together.
4. 4
   Add flour carefully.
5. 5
   Bake at 350°
6. 6
   for 40 minutes in tube pan.