dry mix, not canned frosting Mix frosting packet from frosting mix with whipping cream in small mixer bowl (just to blend -will whip later) CHILL. Prepare and bake cake mix according to package directions using 13x9 prepared pan. Coolin pan for 10 minutes before removing to cool completely. Slice into 2 layers. Spread marmalade between layers. Beat whipping cream mixture until stiff. Fold in coconut-pecan packet. Spread over top and sides of cake. Chill until serving time.