INGREDIENTS
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1 sheet refrigerated pie dough (from a 14.1-ounce package)
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1 1/4 pounds rhubarb (about 6 medium stems), trimmed, halved lengthwise and cut into 1-inch pieces (about 4 1/2 cups)
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3/4 cup granulated sugar
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1/2 teaspoon finely grated orange zest, preferably Valencia
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2 tablespoons orange juice, preferably Valencia
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2 large eggs
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2/3 cup heavy cream
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1/4 cup all-purpose flour
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Confectioners' sugar, for serving