Bake a pie shell according to directions. Let cool. Slice 1 pint strawberries and put in cooled pie shell.
In a large sauce pan combine 1 cup sugar, 3 heaping tablespoons of strawberry jello, 3 heaping tablespoons of cornstarch, 1 cup very warm water. Cook over medium high heat until mixture is thick but pourable. Pour over sliced strawberries in pie shell. Chill in refrigerator until firm. Top with Coolwhip.