Chicken Tortilla Casserole

INGREDIENTS

• 1 clove garlic, minced
• 4 boneless, skinless chicken breasts
• 1/4 teaspoon pepper
• Salt
• 1 cup milk
• Twenty-four 6-inch corn tortillas
• 1/2 teaspoon salt
• Cooking spray
• Salt and pepper
• 6 tablespoons butter
• 1 cup chicken stock
• 6 tablespoons all-purpose flour
• 1/2 teaspoon cumin
• 1 cup canned green chiles, chopped and drained
• 1 medium onion, finely chopped
• 3 cups shredded Cheddar
• Chicken Gravy, recipe follows
• 1 cup sour cream