Ingredients

• 1 (17.3 ounce) package pepperidge farm® puff pastry shells
• 1 pound boneless beef sirloin steak
• 2 tablespoons vegetable oil
• 1 1/2 cups sliced mushrooms 1 medium onion, chopped 1/8 teaspoon garlic powder
• 1/2 teaspoon dried thyme leaves, crushed
• 1 (12 ounce) jar campbell's® slow roast beef gravy
• 1/2 cup sour cream chopped fresh parsley