Orange Sponge Cake - cooking recipe

Ingredients

2 1/4 c. cake flour
1 1/2 c. sugar
3 tsp. baking powder
1/2 c. vegetable oil
4 unbeaten egg yolks
juice of fresh oranges and water to make 1 c.
a little grated orange rind
8 egg whites
1 tsp. cream of tartar
1 tsp. salt

Preparation

Sift together flour, sugar and baking powder.
Make a well and add oil, egg yolks, liquid and orange rind.
Beat egg whites, cream of tartar and salt until whites are stiff.
Fold into preceding mixture.
Bake in a tube pan or Bundt pan which has been greased and floured.
Bake at 325\u00b0 for 55 minutes.
Turn oven to 350\u00b0 and bake 10 minutes more.
Cool before icing.