"This a no-bake recipe, so on a hot summer day you don't have to turn on the oven, other than to bake your crust. If using frozen blueberries, drain them and use juice instead of water."
1In a saucepan, combine sugar, cornstarch and salt. Stir in water and 1 cup of blueberries. Cook and stir over medium heat, until thick, approximately 8 to 10 minutes.
2Add butter and let cool about 5 minutes. Stir in remaining blueberries.
3Pour into baked pie shell and cool in the refrigerator for 2 to 4 hours.