Bizcocho de aceite

Bizcocho de aceite is a traditional sponge cake. It's made with a combination of eggs, milk, sugar, flour, olive oil, and baking powder. The cake batter is typically enriched with lemon zest, then poured into a shallow tray and baked until golden brown. This olive oil-flavored sponge cake is cut into smaller pieces and dusted with icing sugar before it's served.