Sweet Potato Souffle
["3 c. mashed sweet potatoes (canned is fine, but drain thoroughly)", "1 c. sugar", "1/2 tsp. salt", "2 eggs", "1/3 stick margarine", "1/2 c. milk", "1 tsp. vanilla flavoring", "1 tsp. butter flavoring", "1 tsp. sherry flavoring (optional)", "1 c. light brown sugar", "1/3 c. flour", "1 c. chopped nuts", "1/3 stick margarine"]
["Mix thoroughly and sprinkle on top of souffle.", "Bake at 350\u00b0 for 30 minutes."]
["mashed sweet potatoes", "sugar", "salt", "eggs", "margarine", "milk", "vanilla flavoring", "butter", "sherry flavoring", "light brown sugar", "flour", "nuts", "margarine"]