Grapefruit Cake

This grapefruit cake splits the difference between an angel food cake and a traditional layer cake. Whipped egg whites folded into a grapefruit juice and oil batter create a crumb that’s lighter and airier than a butter cake but richer and more flavorful than a plain angel food. The grapefruit juice and lemon zest punch through with a citrus brightness that’s refreshing and unexpected.

The chiffon technique here is what makes the texture special. Beating the egg yolk mixture until very smooth builds a thick, emulsified base, then gently folding in stiffly beaten whites introduces air that the baking powder can expand. The “do not stir” instruction is serious. Any vigorous mixing collapses those whites and you lose the lift.

The cream cheese frosting with crushed grapefruit sections blended in is a tangy, creamy counterpoint to the light cake. Decorating with whole grapefruit segments on top and between the layers gives each slice bursts of fresh, juicy fruit.

Chef Tips

• Cool the cake upside down in the pan. Inverting prevents the delicate crumb from collapsing under its own weight as it cools. This is standard for chiffon and angel food cakes.
• Use a serrated knife to split the cake into layers. The airy crumb tears easily with a straight blade.
• Soften the cream cheese fully before beating. Cold cream cheese creates lumps in the frosting that won’t smooth out.

Variations

• Skip the food coloring. The natural cake is a pale gold that looks elegant without the yellow tint.
• Use blood orange juice and sections instead of grapefruit for a sweeter, more dramatic-looking version with ruby-red fruit.