Cheesy Chicken Cnchilada Casserole

Ingredients

• 1 cup onion diced
• 1/2 cup green pepper diced
• 3 tablespoons butter
• 2 cups cooked chicken
• 1 (4 ounce) can of green chili peppers chopped
• 1/2 cup flour
• 1 teaspoon ground coriander
• 2 1/2 cups chicken broth
• 1 cup sour cream
• 1 1/2 cups monereyjack cheese
• 1/2 cup shreaded cheddar cheese
• 12 tortilas