Beat egg yokes with half of the sugar, oil, water, flavoring, flour, and baking powder.

Beat egg whites with the remaining half of sugar

Fold into egg yoke mixture.

Bake at 350 about 40 minutes until top springs back when touched.

Immediately invert after cooked.

Original recipe was 12 eggs. Can be adjusted to 9 eggs.

Cut and fill with pastry cream. Can be sprinkled with rum.