Arrange 4-5 cups sliced fresh strawberries in pre-baked pie shell.
Add ginger ale, mashed strawberries and sugar to medium sauce pan. Bring to boil.
Reduce heat to low-medium. Mix water with corn starch, then dump water/corn starch paste into sauce pan. Allow to simmer on low for about 10 minutes, stirring frequently.
Pour strawberry liquid over fresh strawberries in pie pan.
Place in refrigerator for several hours, or ideally overnight to allow gelatin to set. Serve with whipped cream.