1/3 c. butter
1/3 c. flour
3/4 tsp. salt
1/4 tsp. pepper
1/2 tsp. celery salt
2 c. milk
2 c. cooked, cubed chicken
1 can cream style corn
1/4 c. bread crumbs
1 tbsp. butter

Melt butter, stir in flour and seasonings. Add milk; cook until thickened, stirring constantly. Combine sauce with chicken and corn; place in casserole. Top with crumbs and butter; bake at 350 degrees for 25 to 30 minutes.