Chiffon cake

A chiffon cake is a light cake made with vegetable oil, eggs, sugar, flour, baking powder, and flavorings. Chiffon cakes (as well as angel food cake, sponge, and other foam cakes) achieve a fluffy texture by having egg whites beaten separately until stiff and then folded into the cake batter before baking. Its aeration properties rely on both the quality of the meringue and the chemical leaveners such as baking powder. Chiffon cake can be baked in a tube pan or layered with fillings and icings. In the original recipe, the cake tin is not lined or greased, which enables the cake batter to stick to the side of the pan, giving the cake better leverage to rise, as well as support in the cooling process when the cake is turned upside down to keep air bubbles stable.

Description: Wikipedia — Chiffon cake, CC BY-SA 4.0