"This vegetarian pie is great to have on hand -- it can go straight from the freezer to the oven. To bake it without freezing, reduce the baking time to 40 to 45 minutes...."
INGREDIENTS
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2 1/2 cups all-purpose flour
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2 tablespoons extra-virgin olive oil
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1 medium red onion, cut into small dice
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1/3 cup extra-virgin olive oil
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4 garlic cloves, minced
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1/2 cup cold water
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3/4 teaspoon coarse salt
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2 1/2 pounds Swiss chard, stems cut into small dice and leaves torn
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3/4 teaspoon red-pepper flakes
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Coarse salt and ground pepper
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1/2 cup grated Parmesan
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3 tablespoons all-purpose flour
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Grated zest of 1 large lemon, plus 1 tablespoon fresh lemon juice
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1 large egg yolk