Jelly Roll Cake

Directions

1. 1
   Add sugar gradually to egg yolks; beat until creamy and add vanilla.
2. 2
   Resift flour and baking powder together and gradually add to egg mixture.
3. 3
   Beat until smooth.
4. 4
   Whip egg whites until stiff, but not dry, then fold gently into cake batter, then fold in walnuts.
5. 5
   Pour onto a small cookie sheet and bake 13 minutes at 350°.
6. 6
   Sprinkle a little powdered sugar on dish towel and roll out cake dough until cake is cool, then unroll gently to fill with 1/2 cup filling, strawberry preserves or lemon pudding; roll and sprinkle top with powdered sugar.