Easy Layered Chicken Enchilada Casserole Recipe

Ingredients

• 5 Boneless Skinless Chicken Breasts ( (cooked and shredded))
• 2 (10.5 ounce) cans Cream of Chicken soup
• 1 cup milk
• ½ cup sour cream
• 2 (4.5 ounce) cans mild diced green chiles ((drained))
• ¼ teaspoon garlic salt
• ¼ teaspoon salt
• ½ teaspoon oregano
• ½ teaspoon chili powder
• 1 (16 ounce) bag shredded Mexican Blend cheese ( (divided))
• 1 onion (diced (optional))
• 10 flour tortillas (divided)