INGREDIENTS
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dough
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3 cups all-purpose flour
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1/2 cup freshly grated Parmigiano-Reggiano cheese
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1/2 teaspoon kosher salt
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2 1/2 sticks unsalted butter, cubed and chilled
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1/3 cup ice water
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filling
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2 tablespoons extra-virgin olive oil
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2 bunches Swiss chard (1 pound), stems cut into 1/2-inch pieces and leaves chopped
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2 bunches Tuscan kale (1 pound), stems discarded and leaves chopped
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2 garlic cloves, minced
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Kosher salt
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Freshly ground pepper
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4 ounces ricotta salata cheese, crumbled
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2 ounces sliced soppressata, finely chopped
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4 large eggs—3 lightly beaten, 1 beaten with 1 tablespoon of water
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2 tablespoons all-purpose flour