Here is a recipe that I use, My husband loves it.
5 cups blackberries
1 cup sugar
1/4 cup flour
1tbs. marg.
Mix the blacberries with the sugar and flour mix all together.
Place in a 9 inch pie make sure that there is a top and a bottom crust. Before placing on top crust place the tbs. margarine along the top of the
pie.\Monica
bake a 375*degrees