Ingredients:
- 2 oranges
- 2 1/3 cups sugar
- Unsalted butter, for greasing the pan
- 2 1/2 cups flour, plus extra for pan
- 2 tsp. baking powder
- 1 tsp. baking soda
- 1 tsp. vanilla extract
- 4 eggs
- 6 tbsp. extra-virgin olive oil
- 1/4 cup contemporary orange juice
- 1/4 cup confectioners' sugar
- Sea salt, for garnish
