Light and airy, moist and delicious . . . this is the cake we bake for birthday celebrations!
Preheat oven to 325º.
In a bowl of an electric mixer fitted with a wire whisk, add the egg whites, beat until frothy add cream of starter, continue beating until soft peaks form. Begin adding 2 tablespoons of sugar until 1/2 cup of sugar is added and the whites standing stiff, glossy peaks. Being careful not to beat until dry.
Sift together dry ingredients into a bowl (flour, sugar, baking powder, salt); set aside.
In another bowl of an electric mixer, add the oil, egg yolks, and lemon juice; beat well.
Add the dry ingredients, and blend together.
With a rubber spatula, gently fold the mixture into the beaten whites.
Pour the combined mixture all at once into tube pan.
Bake 1 1/4 hours or until the top springs back when lightly touched. Invert the pan onto a funnel to cool.
When cake is cool, run a knife around the edges of the cake and remove the cake from the pan.