Puree pineapple. Heat to boiling. Dissolve Jello in heated pineapple puree. Soften ice cream. When Jello mixture is partially cooled stir into softened ice cream. When ice cream mixture is nearly firm stir in nuts. Make vanilla wafer crust and pat into 9x13 pan. Pour mixture into crust. Chill. Serve with whipped cream.
Notes
You can serve without the crust and spoon into parfait glasses.