Grapefruit Pie

I saw this on the food network,it was from a festival in FL. I haven't made it but it looks great and all the judges raved about it.

• Ready In: 3 hrs
• Yields: 1 pie

Ingredients

• 1  cup sugar
• 3  tablespoons cornstarch
• 1 1⁄2 cups water
• 1 (3 ounce) box strawberry gelatin
• 2  large red grapefruits, sectioned
• 1  prebaked  pie shell
•  whipped cream, for serving

Directions

1. In medium saucepan, combine sugar and cornstarch, add water and cook over medium heat until thick and clear.
2. Add strawberry gelatin and stir to dissolve.
3. Let cool, and add grapefruit sections.
4. Pour mixture into baked pie shell and chill until firm, about 2 hours.
5. Top with whipped cream and serve.