INGREDIENTS
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1 1/4 cups cake flour (not self-rising)
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1/8 teaspoon salt
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5 large eggs
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2/3 cup sugar
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1 teaspoon vanilla
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5 tablespoons unsalted butter, melted and cooled
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1 cup water
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1 cup sugar
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1/8 teaspoon salt
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3 cups fresh kumquats (3/4 lb without leaves), 1 kumquat (left whole) reserved for Sauternes syrup and remainder halved lengthwise (quartered if large) and seeds discarded
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1 1/2 cups Sauternes
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6 tablespoons sugar
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Zest of 1 kumquat, removed with a vegetable peeler
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2 tablespoons sliced blanched almonds, toasted
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Special equipment: a 10- by 2-inch round cake pan
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Garnish: confectioners sugar