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2 tablespoons cornstarch
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Swanson® Beef Stock or 1 3/4 cups Swanson® Beef Broth
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1 tablespoon soy sauce
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2 tablespoons vegetable oil
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1 boneless beef sirloin steak or beef top round steak, 3/4-inch thick, cut into very thin strips (about 1 pound)
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4 cups broccoli florets
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2 green onion, sliced (about 1/4 cup)
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1 package (10 ounces) Pepperidge Farm® Puff Pastry Shells, prepared according to package directions
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