Fluffy Sponge Cake

Ingredients
- 6 eggs separated
- 1 12 c sugar
- 6 Tbsp cold water
- 1 12 c flour plain
- 14 tsp salt
- 1 12 tsp baking powder
- 1 tsp vanilla
Directions
- Beat egg yolks until thick
- Add sugar and beat until smooth Add flour and water alternately beating constantly
- Add vanilla