INGREDIENTS
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Serves 8
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6 oz. (3/4 cup) unsalted butter, softened; more for the pan
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4 medium navel oranges (about 2 lb.)
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9 oz. (2 cups) unbleached all-purpose flour
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1-1/2 tsp. baking powder
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1/2 tsp. plus 1 pinch table salt
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1-1/4 cups granulated sugar
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3 large eggs
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1 tsp. pure vanilla extract
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5 oz. (1-1/4 cups) confectioners’ sugar