Every part of the orange plays a role in this dessert. Boiling the oranges mellows bitterness from the skin and pith, the soft fruit that results adds tang to the batter.
Photography: Alan Benson
Martha Stewart Living, September 2003
- 6 navel or other sweet oranges
- Unsalted butter, room temperature, for pan
- 1/2 cup all-purpose flour, plus more for pan
- 1 3/4 cups finely ground blanched almonds (about 6 ounces)
- 1 1/2 teaspoons baking powder
- 1/2 teaspoon salt
- 6 large eggs
- 2 cups sugar
- Place whole unpeeled oranges in a large saucepan or stockpot, and cover with cold water. Bring to a boil over high heat. Reduce heat, and simmer gently, 2 hours. Drain; set oranges aside to cool. (Navel oranges may have a few seeds. Halve the cooked oranges, and remove any strays before using the rest of the fruit.)
- Preheat oven to 350 degrees. Butter and flour a 9-inch springform pan; set aside. Halve cooked oranges, and remove any seeds. Place 7 halves in a food processor, and pulse until pureed but still chunky. This should yield about 3 cups; set aside.
- In a small bowl, whisk together the ground almonds, flour, baking powder, and salt; set aside. In the bowl of an electric mixer fitted with the whisk attachment, beat the eggs with 1 cup sugar on medium speed until light and fluffy. Stir in orange puree until just combined. Stir in flour mixture; pour into prepared pan.
- Bake until cake is golden brown and a cake tester inserted in the center comes out clean, about 1 hour. Transfer pan to a wire rack. After 15 minutes, run a small spatula or paring knife around edge to loosen cake; let cool completely.
- Meanwhile, make orange topping: Chop remaining 5 orange halves into 1/2- inch pieces, and set aside. In a medium saucepan, combine remaining cup sugar with 3/4 cup water. Bring mixture to a boil, stirring until sugar has dissolved.
- Add chopped oranges to saucepan, and reduce heat to medium. Simmer gently until most of the liquid has evaporated and thickened into a syrup, about 15 minutes. Remove from heat, and set aside to cool completely.
- To assemble, remove ring from pan; transfer the cooled cake to a serving platter. Arrange chopped oranges and any remaining syrup over top of cake. Cut into wedges, and serve. Or store, covered, in the refrigerator up to 2 days.
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