tortilla chicken casserole

Ingredients

• 6 - whole wheat flour tortillas
• 3 cups cooked chicken in bite-size pieces
• 1 tablespoon olive oil
• 1 cup chopped onion
• 1 cup chopped green pepper
• 1 can black beans, drained
• 1 can yellow corn, drained
• 1 teaspoon chili powder
• 3 cups salsa(i used mild, but suit yourself)
• 1 can chopped green chillies (4oz)
• 3 cups sharp cheddar cheese
• 1 1/2 cups sour cream
• 1 tablespoon chopped, fresh cilantro
• 1 small can chopped black olives