2 c. sifted cake flour
1 1/2 c. sugar
3 tsp. baking powder
1 tsp. salt
1 med. banana
7 egg whites
1/2 c. salad oil
7 unbeaten egg yolks
3/4 c. cold water
1 tsp. vanilla
1/2 c. nuts, chopped fine
1/2 tsp. cream of tartar

Sift flour and measure. Add sugar, baking powder, and salt. Combine thoroughly. Make a well and add oil, egg yolks, cold water, and vanilla. Beat well. Add mashed banana and nuts. Whip egg whites and cream of tartar until very stiff and peaks form. Add first mixture to egg whites folding very carefully. Do not stir more than necessary. Pour into a 10 inch tube pan. Bake 55 minutes at 325 degrees; then at 350 degrees for 10 or 15 minutes. Invert pan to cool.