Peaches and blackberries complement each other beautifully in this summer pie. The sweetness of the peaches balances the tartness of blackberries, creating a supreme summer dessert.
In a saucepan, combine sugar, cornstarch, salt, corn syrup, and 1 cup water. Stir and place over medium heat. In a separate bowl, pour the package of gelatin over 3 tablespoons water to let bloom. Raise heat on the stove and bring mixture to a low boil. Cook until thickened, 2-3 minutes.