"Especially when made with plum, in-season asparagus, this dish makes for a sophisticated, visually pleasing appetizer...."
INGREDIENTS
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Flour, for work surface
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1 sheet frozen puff pastry
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5 1/2 ounces (2 cups) Gruyere cheese, shredded
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1 1/2 pounds medium or thick asparagus
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1 tablespoon olive oil
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Salt and pepper