INGREDIENTS
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6 oz kumquats
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1 large lime
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½ teaspoon kosher salt
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1 cup plus 1 tablespoon turbinado sugar (divided)
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4 large eggs (divided)
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¼ cup unsalted butter, melted
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2 tablespoons tapioca flour/starch
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1 tablespoon water
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your favorite double-crust pie dough (I used the Foolproof Pie Dough recipe from Cook's Illustrated)