Grapefruit Chiffon Cake - cooking recipe

Ingredients

1 c. flour
3/4 c. sugar
1 1/2 tsp. baking powder
1/4 tsp. salt
3 eggs, separated
1/4 c. oil
1 1/2 tsp. shredded grapefruit peel
1/3 c. grapefruit juice
1/4 tsp. cream of tartar

Preparation

Sift together flour, sugar, baking powder and salt.
Make a well in the middle.
Add in order egg yolks, oil, peel and juice. Beat briefly until smooth.