2 1/4 c. cake flour, sifted
1 1/2 c. sugar
3 tsp. baking powder
1 tsp. salt
1/2 c. cooking oil
5 egg yolks, unbeaten
3/4 c. cold water
1 tsp. vanilla
1 c. egg whites
1/2 tsp. cream of tartar
1 c. nuts

Heat oven to 325°F. Sift flour, sugar, baking powder and salt into a bowl. Make a well and add in order, oil, egg yolks, water and vanilla. Beat with spoon until smooth.

In a mixing bowl, beat egg whites and cream of tartar until very smooth. Pour egg yolk mixture, gently folding with rubber scraper, just until blended.

Pour into 10-inch tube pan.

Bake at 325°F for 55 minutes and then at 350°F for 10 to 15 minutes.