Chicken Cortez

Ingredients

• 6 chicken breasts, cooked and diced (you can use hamburger meat instead if you prefer)
• 1 (5 1/2 oz.) can evaporated milk
• 1/2 c. sour cream
• 1 c. cream of mushroom soup
• 1/2 c. picante sauce
• 1 medium onion, chopped
• 1/2 c. celery, chopped
• 1 c. (8 oz.) green chiles
• 6 corn tortillas, torn into 1-inch pieces
• 1/2 c. grated Monterey Jack cheese
• 1/2 c. grated Cheddar cheese