Simple Sponge Cake

Directions

1. 1
   Preheat the oven to 375 degrees F (190 degrees C). Grease an 8 or 9 inch round cake pan.
2. 2
   In a medium bowl, whip together the eggs and castor sugar until fluffy. Fold in flour. Pour into the prepared pan.
3. 3
   Bake for 20 minutes in the preheated oven, or until the top of the cake springs back when lightly pressed. Cool in the pan over a wire rack.