Grate Orange: Grate the zest of one orange into a bowl. Squeeze and strain its juice; set aside.
Zest and juice of 1 orange
Whisk Eggs and Sugar: In a bowl, beat eggs, sugar, and vanilla seeds until light and fluffy.
1 cup + 2 tablespoons sugar, 3 large eggs, 1 vanilla pod
Add Flavors: Gradually mix in orange zest and olive oil.
3 ½ tablespoons olive oil
Combine Wet and Dry Ingredients: Slowly add orange juice, then milk. Gradually mix in sifted flour and baking powder to form a smooth batter.
2 ⅓ cups all-purpose flour, ⅓ cup whole milk, 1 tablespoon baking powder
Prepare for Baking: Pour batter into a greased and floured 24x17 cm baking pan.
Bake: Bake at 350°F (180°C) for 50 minutes. Let cool before removing from the pan.
Decorate: Dust with confectioners' sugar. Use a stencil to create a design with cocoa powder. Traditionally, the lily, the symbol of the city of Florence, is drawn on top.
Confectioners' sugar, Unsweetened cocoa powder