INGREDIENTS
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1/4 cup all-purpose flour, plus more for work surface
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1/2 recipe Cornmeal Pate Brisee
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1 pound rhubarb, sliced 1/2-inch thick
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Juice of 1/2 lemon
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3/4 cup granulated sugar
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Pinch of salt
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Pinch of ground, cinnamon
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Pinch of freshly grated nutmeg
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1 large egg, beaten
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Turbinado or sanding sugar
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1 tablespoon unsalted butter, cut into small pieces