Roadside Potatoes
["3 c. half and half", "1 stick margarine", "1 tsp. salt", "1/2 c. Parmesan cheese", "2 (12 oz.) pkg. frozen hash browns"]
["Heat cream with margarine.", "Add salt.", "Place potatoes in a 9 x 13-inch pan.", "Pour cream mixture over the top.", "Sprinkle on Parmesan cheese.", "Bake 1 hour at 325\u00b0."]
["margarine", "salt", "Parmesan cheese", "frozen hash browns"]