Sweet Potato Souffle
["3/4 stick margarine", "2 c. marshmallows", "1 c. sugar", "1 c. cream (optional)", "3 c. mashed sweet potatoes", "2 eggs", "1 tsp. vanilla", "3/4 stick margarine", "1/2 c. brown sugar", "1/2 c. rice cereal, nuts or cornflakes"]
["Whip sweet potatoes, then add sugar and cream.", "Melt 3/4 stick margarine and marshmallows.", "Add marshmallow mixture to cream mixture, then add eggs and vanilla.", "Pour in greased 13 x 9-inch casserole dish.", "Top with 3/4 stick melted margarine, 1/2 cup brown sugar and 1/2 cup cereal or nuts.", "Bake at 350\u00b0 for 35 to 40 minutes."]
["margarine", "marshmallows", "sugar", "cream", "mashed sweet potatoes", "eggs", "vanilla", "margarine", "brown sugar", "rice cereal"]