Drawing its origins back to the semi-autonomous region of Galicia on the northern Spanish, this white cake requires just 4 simple ingredients: egg whites, sugar, sieved flour, and whipping cream. This cake has a pure white look as it uses only egg whites. The egg whites are whipped until stiff to create a cake with a light and fluffy texture. This cake is perfect for afternoon coffee or tea time with a friend. Bake time on this lovely cake is 40 minutes.