Six Egg Sponge Cake Recipe

• 6 egg whites
• 6 egg yolks
• 1 1/2 c. cake flour, sifted
• 1/2 teaspoon salt
• 1 teaspoon double-acting baking pwdr
• 1 1/2 c. granulated sugar, sifted
• 1/2 teaspoon cream of tartar
• 1/3 c. cool water
• 1 teaspoon lemon extract
• 2 teaspoon grated orange or possibly lemon rind or possibly 1 teaspoon vanilla

Directions