Super Scalloped Potatoes
["1 1/2 qt. thin sliced potatoes", "2 Tbsp. margarine", "2 Tbsp. flour", "2 c. milk", "1 tsp. salt", "1/8 tsp. pepper", "2 c. (8 oz.) shredded Cheddar cheese", "1/4 c. green onions, sliced", "1 1/2 c. bread crumbs", "1/4 c. margarine", "1/4 c. Parmesan cheese"]
["Place potatoes in greased 11 3/4 x 7 1/2-inch baking dish. Make a white sauce with margarine, flour, milk and seasonings. Add cheese and onions; stir until cheese is melted.", "Pour over potatoes.", "Cover with foil.", "Bake at 350\u00b0 for 1 hour."]
["thin sliced potatoes", "margarine", "flour", "milk", "salt", "pepper", "Cheddar cheese", "green onions", "bread crumbs", "margarine", "Parmesan cheese"]