1. Melt margarine and mix 1/2 with hash browns, cheese, sour cream and soup.
2. Spread in 9 x 13 inch pan. Mix rest of margarine with corn flakes. Sprinkle on top of potatoes.
3. Bake at 300 for 1 1/2 hours. Serve.
393 Calories (kcal); 36g Total Fat; (42% calories from fat); 4g Protein; 14g Carbohydrate; 28mg Cholesterol; 650mg Sodium