Betty'S Potato Casserole
["6 large red potatoes, boiled, cooled, peeled and grated", "2 c. sour cream", "1 bunch green onions, chopped", "1 stick butter, melted", "1 tsp. salt", "1 1/2 c. grated cheese (reserve 1/2 for topping)"]
["Mix all ingredients in large casserole.", "Chill for at least 6 hours or overnight.", "Bake 30 to 40 minutes at 350\u00b0.", "Serves 10 to 12."]
["red potatoes", "sour cream", "green onions", "butter", "salt", "grated cheese"]