Meat Loaf Pizza Style

• 2 egg whites whipped
• 1 pizza seasoning
• 525 gr chicken breast (ground)
• 240 ml skim milk
• 240 ml homemade pizza sauce
• 110 gr fat-free mozzarella cheese
• 110 gr bread crumbs (white)
• 85 gr mushrooms (sliced)
• 65 gr bell peppers (chopped)
• 60 gr onions (chopped)