Dissolve gelatin in boiling water and gradually add ice cream, stirring until melted. Note: if pie is to be chilled 3-4 hours before serving, increase to 1 1/2 cups water.
Chill til thick but NOT set (15-25 minutes) and then fold in strawberries and pour into pie crust.
Chill until firm; garnish with whipped cream and walnut halves.