Greek Spinach Feta Chicken Pockets

Bahan-bahan (4 porsi)

• 1 17 -oz package Puff Pastry (both sheets thawed)
• 4 ounces cream cheese (softened)
• 1 10 -oz package frozen chopped spinach (thawed and well drained)
• 2 cups cooked and shredded chicken
• 1/2 cup chopped green onions
• 1 cup crumbled feta cheese
• 1 & 1/2 cups shredded mozzarella cheese
• 1 egg (beaten (for brushing on top; optional))