Sour Cream Cheesy Chicken Enchilada Casserole

I've made this a few times. Delish. From 365 One Dish Meals.

• Ready In: 50 mins
• Serves: 12
• Yields: 12

Ingredients

• 1 (10 3/4ounce) can  condensed  cream of chicken and mushroom soup
• 3⁄4 cup sour cream
• 2  tablespoons milk
• 1 (4 ounce) can diced green chilies
• 2  scallions, chopped
• 9  corn tortillas
• 2  cups  chopped  cooked chicken
• 1  tomatoes, chopped
• 1⁄2 lb cheddar cheese, shredded (2 cups)
• 1 (2 1/4ounce) can sliced ripe olives, drained

Directions

1. 1. Preheat oven to 350°. Mix together soup, sour cream, milk, chiles, and scallions.
2. 2. Arrange 3 tortillas in bottom of an 11x7-inch baking dish. Sprinkle with half the chicken, then half the tomato. Sprinkle with a third of the cheese, then top with a third of soup mixture, spreading evenly. Repeat layers. Top with remaining 3 tortillas, olives, remaining soup mixture, and then sprinkle with remaining cheese.
3. 3. Bake 30 to 35 minutes, or until heated through and bubbly.