Blend together sugar, egg and ... well. Stir in rhubarb. Pour into a greased ... minutes or until cake tests done. For vanilla sauce, ... cake. Makes 12 servings.
Prepare lemon cake as directed on box, and ... Sprinkle sugar over rhubarb and pour cream over the rhubarb and sugar mixture. Mix ... with whipped cream (optional).
Mix cake as directed on the package. Pour into a lightly greased 9"x13" pan. Mix rhubarb with sugar and spoon over ... whipped cream. Refrigerate leftovers.