White Sponge Cake - cooking recipe

Ingredients

1 egg yolk
2 whole eggs
2 cups sugar
2 teaspoons salt
1 1/2 tablespoons baking powder
5 1/4 cups cake flour
1 cup oil
20 egg whites
1/2 cup granulated sugar
2 teaspoons cream of tartar

Preparation

Preheat oven to 400 degrees F.
Grease 3- 12 inch cake pans, set aside.
In an electric mixing bowl with a wire whip attachment, add 1 Egg Yolk& 2 Whole Eggs.
Add, one ingredient at a time: Sugar, Salt, Baking Powder and Cake Flour.
Whip until smooth and appearance is light and yellow.
Add Oil.
Continue to mix 1 minute until fully incorporated.
In a separate clean, dry bowl, with wire whip, add Egg Whites.
Whip until stiff, but not dry peaks.
In a separate bowl, combine Granulated Sugar and Cream of Tartar Add to egg whites and mix quickly.
Remove egg white mixture to a large, dry mixing bowl.
Incorporate the first mix a little at a time by folding in and mixing by hand.
Be careful not to overmix (note:For a lemon flavored cake you can add 2 teaspoons lemon extract).
Spoon finished mixture into cake pans, spreading evenly.
Bake at 400 degrees for 35 to 40 minutes.
Cooking time may vary according to equipment and environment.
If using an alternate size pan, the heat should be adjusted.
The deeper and wider your cake pan, the lower you should have the heat.
Check for doneness by inserting a toothpick into cake, when it comes out clean, cake is done.
Cool cakes on rack before removing from pans.
Fill layers with desired filling and frost with lots of whiped cream.