In a saucepan, combine sugar, flour, salt and water. Bring to a boil and cook, stirring constantly until thick and smooth. Add berries, lemon juice and cinnamon. Cook 5 minutes until mixture is thick and berries pop. Remove from heat and stir in butter.
Roll one ball of dough out to fit a 9 inch pie plate. Place bottom crust in pie plate. Spoon in filling. Roll out top crust and cut into strips for lattice. Place lattice strips on top and seal edges.
Bake in the preheated oven for 40 minutes, or until crust is golden brown.
