INGREDIENTS
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1 recipe basic pie crust dough
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1/4 c grated Parmesan
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1/4 c grated Cheddar
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1/2 c dry bread crumbs
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1 1/2 to 2 lb fresh zucchini
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2 eggs, separated
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1 1/2 c sour cream
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2 T chopped chives
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2 T flour
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salt and fresh-ground pepper
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1/8 t cream of tartar
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butter