Chiffon Cake - cooking recipe

Ingredients

7 egg yolks
7 egg whites
3/4 c. water
1/2 c. salad oil (not olive)
1 Tbsp. vanilla extract
1/2 tsp. cream of tartar
2 c. sifted all-purpose flour
3 tsp. double-acting baking powder
1 tsp. salt
1 1/2 c. granulated sugar

Preparation

Beat egg whites and cream of tartar in large mixer bowl at high speed until very stiff; set aside.