"Perfect for holidays, this beef wellington is also impressively easy. Find ready-made puff pastry sheets in the frozen food section. —Kerry Dingwall, Ponte Vedra, Florida..."
INGREDIENTS
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4 beef tenderloin steaks (6 ounces each)
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3/4 teaspoon salt, divided
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1/2 teaspoon pepper, divided
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2 tablespoons olive oil, divided
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1-3/4 cups sliced fresh mushrooms
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1 medium onion, chopped
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1 package (17.3 ounces) frozen puff pastry, thawed
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1 large egg, lightly beaten