Citrus Chiffon Cake

Chiffon cake is the best of both worlds: the airiness of an angel food and the rich, tender crumb of a butter cake, held together by vegetable oil (not butter) and a tall pile of whipped egg whites. This citrus version gets a triple hit of brightness from fresh orange juice, grated orange zest, and a hint of lemon peel, so the finished cake smells like a sunlit grove when it comes out of the oven.

The method is straightforward but nonnegotiable on a few points. Whisk the yolk batter smooth first, then beat eight egg whites with cream of tartar to stiff peaks. Pour the yolk mixture in a thin stream into the whites and fold gently. Deflate the whites and you lose the lift. The ungreased tube pan lets the batter climb the sides as it bakes, and hanging the pan upside down to cool keeps the crumb from collapsing under its own weight.

Pro Tips

• Let eggs come fully to room temperature before separating; cold whites will not whip to full volume.
• Use a metal or glass bowl for the whites, never plastic, which holds fat residue that kills the meringue.
• Run a thin knife all the way around the tube and base before unmolding or the cake will tear.
• Store under a cake dome at room temperature; chiffon dries out quickly in the fridge.

Variations

• Replace the orange juice with fresh lemon or ruby grapefruit juice for a sharper citrus profile.
• Fold a teaspoon of pure vanilla into the yolk mixture for a softer, more rounded flavor.
• Serve with lightly sweetened whipped cream and fresh berries for a summery dessert.