In bowl sift together:

1 c. flour
3/4 c. sugar
1 1/2 tsp. baking powder
1/2 tsp. salt

Form a well and add:

1/4 c. Wesson oil
3 egg yolks, beaten
6 tbsp. cold water
1 tsp. vanilla
1 tsp. grated lemon rind

Beat until smooth.

In second bowl put 1/2 cup egg whites (about 4), 1/4 teaspoon cream of tartar. Beat into stiff peaks (stiffer than meringues). Pour Wesson oil mixture over egg whites. Fold gently - do not stir. Pour into ungreased tube pan. Bake at 350 degrees for 30-35 minutes. Turn upside down until cool.