Blueberry Pie (One Crust)

1 cup organic evaporated cane sugar
1/4 cup cornstarch
1/8 t salt
1 cup water
6 cups fresh or frozen blueberries
1 T butter
1 (9-inch) baked pie crust

Mix sugar, cornstarch, and salt in a 3-qt saucepan. Stir in water and 2 cups of blueberries. Cook over medium heat, stirring constantly with a wisk until mixture thickens (5-10 minutes). Remove from heat, add butter and cool for 3-5 minutes. Stir in the other 4 cups of blueberries and pour into the baked pie crust. Refrigerate for a couple hours before serving.