Prepare cake mix as directed ... inch pan. Let cool completely and divide into 3 ... cake, pudding and pie filling or fruit mixture. Spread Cool Whip on top of final layer. ... refrigerate overnight before serving.
Dissolve Jello, sugar and salt ... slightly thickened. Add Cool Whip; blend until smooth (may appear curdled). Pour into pie shell. Chill until firm, about ... with additional Cool Whip.