Genoese Cake

Directions

1. 1
   In a large pan, preferably copper, mix sugar, eggs, salt and vanilla bean.
2. 2
   Over very low heat, gently beat the ingredients with a whisk.
3. 3
   This process can be done in a double boiler.
4. 4
   When the mixture begins to foam and rise well up in pan, remove from heat and continue whisking until the mixture is cold.
5. 5
   Remove vanilla bean.
6. 6
   Continue beating, gradually adding flour via a sifter. Whisk in softened butter.