Portuguese Orange Cake Classic (Print Version)

# Ingredients:

→ Cake Batter

01 - 150 grams unsalted butter, softened
02 - 250 grams granulated sugar
03 - 4 large eggs, separated, at room temperature
04 - Zest and juice of 3 large oranges, at room temperature
05 - 250 grams all-purpose flour
06 - 1 teaspoon baking powder

→ Finishing

07 - Confectioners’ sugar, for dusting (optional)

# Instructions:

01 - Preheat oven to 180°C. Grease an 20cm x 20cm baking dish or line with parchment paper.
02 - Beat softened butter and granulated sugar on medium speed until pale and fluffy, approximately 2 minutes.
03 - Add egg yolks one at a time, mixing thoroughly after each addition.
04 - With mixer on low speed, blend in zest and juice from all oranges. The mixture may appear curdled at this stage.
05 - In a separate bowl, whisk together flour and baking powder.
06 - With mixer on low speed, gradually incorporate dry ingredients into the butter mixture until just combined.
07 - In a clean bowl, whip egg whites to stiff peaks. Gently fold one-third of the whipped whites into the batter to lighten, then carefully fold in the remaining whites, taking care not to deflate the mixture.
08 - Transfer batter to prepared dish. Bake for 35–45 minutes until the surface is springy and a tester inserted into the center emerges clean or with moist crumbs. The internal temperature should reach 88°C.
09 - Allow cake to cool completely in the pan. Dust with confectioners’ sugar before serving, if desired.

# Notes:

01 - Ensure eggs and oranges are at room temperature for optimal batter texture.
02 - For a light, airy crumb, handle whipped egg whites with care and avoid overmixing.