INGREDIENTS
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Unsalted butter, for the pan
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1 cup all-purpose flour, plus more for dusting
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1 1/2 cups granulated sugar
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1 teaspoon baking powder
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3/4 teaspoon baking soda
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1/4 teaspoon salt
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4 large eggs, separated, plus 2 egg whites, all at room temperature
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1/2 cup vegetable oil
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1/2 cup coconut milk, at room temperature
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1 1/2 teaspoons coconut extract
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Pinch of cream of tartar
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Confectioners' sugar, for dusting
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1 tablespoon white rum
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6 large egg whites, at room temperature
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1 cup plus 2 tablespoons granulated sugar
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3 sticks unsalted butter, at room temperature, cut into pieces
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3 tablespoons white rum
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4 cups sweetened shredded coconut