2
cups flour or 2¼ cups cake flour
1½
cups sugar
3½
teaspoon baking powder
1
teaspoon salt
½
cup shortening
1
cup milk
1
teaspoon vanilla
4
egg whites
Heat
oven to 350*
Grease
and flour oblong pan, 13x9x2 inches.
Beat
flour, sugar, baking powder, salt, shortening, milk and vanilla in large mixer
bowl on low speed, scraping bowl constantly, 30 seconds. Beat on high speed,
scraping bowl occasionally, 2 minutes. Add egg whites; beat on high speed,
scraping bowl occasionally, 2 minutes. Pour into pan(s).
Bake
until wooden pock inserted in center comes out clean, oblong 35 to 40 minutes,
layers 30 to 35 minutes cool. Frost.