Hash Brown Casserole

Ingredients

• 1 cup onion, finely diced
  
• 8 ounces Cream of Chicken soup (I used campbell's)
  
• 1 cup sour cream
  
• 8 tablespoons melted butter
  
• 1 teaspoon salt (more if needed)
  
• 26 ounces shredded hash browns (thawed)
  
• ¹/₂ cup shredded mozzarella cheese
  
• 1 cup shredded cheddar cheese (1/2 in casserole, 1/2 on top)
  
• 4 pieces bacon, cooked and chopped (I used turkey bacon)
  
• ¹/₂ teaspoon black pepper
  
• ¹/₂ teaspoon parsley