Blackberry Pie - cooking recipe

Ingredients

4 3/4 cups berries (fresh or frozen)
1 1/2 cups sugar
6 tablespoons flour
1 tablespoon tapioca
1/2 teaspoon cinnamon
2 tablespoons butter
2 (9 inch) pie crusts

Preparation

Mix sugar, flour, tapioca and cinnamon.
Sprinkle over berries and toss to coat until well blended.
Pour into premade pie crust and dot with butter. Put top crust on.
Cut 3-4 slits through top crust.
Bake at 450 degrees for 10 minutes.
Reduce heat to 350 degrees and bake about 1 hour longer or until crust is light brown.
Serve warm with ice cream.