In a large bowl, combine 1/4 cup sauce mixture, chicken, corn, spring onions, 1 cup shredded cheese and salt & pepper to taste.
Spread 3 tbsp sauce mixture onto bottom of casserole dish.
On to each tortillas, place about 1/4 cup of the filling & roll tightly, placing into the casserole dish seam side down.
Repeat until all tortillas and filling used.
Top the tortillas with the remaining sauce & shredded cheese.
Bake for approximately 25 minutes, or until cheese is well melted.
Serve on it's own or with a side of Mexican Rice.