In a large saucepan, combine sugar and cornstarch. Add water and lemon juice, stirring until smooth
Stir in 2 1/2 cups blueberries, bring to a boil. Cook and stir until thickened
Remove from heat and let sit for 5 minutes.
Gently stir in 2 1/2 cups (remaining) blueberries, pour in to pie crust- refrigerate until chilled (1-2 hours)
Serve with vanilla ice cream
Notes
The nutrition information presented on this site should be considered an estimate as the calculations will change based on the exact products you use in your own kitchen.