Chicken Meatloaf Wellington dengan Tomat Kering Matahari

Bahan-bahan (5 porsi)

• 1 small onion (, grated (about 1/2 cup))
• 1 lb / 500 g ground chicken ((mince) (Note 1))
• 3/4 cup panko breadcrumbs
• 1/4 cup parmesan cheese (, finely grated)
• 1 egg
• 1/3 cup fresh basil (, roughly chopped (Note 2))
• 3/4 cup roughly chopped sun dried tomatoes
• 1 tsp salt
• Black pepper
• 1 sheet puff pastry (, thawed)
• 1 egg (, lightly beaten (optional) (Note 3))