What you need:
3 cups of fresh blackberries
1 cup granulated sugar
4 oz butter
1 tablespoons cinnamon
1 tablespoons vanilla
2 cups pineapple juice or apple juice (juice preserves the natural fruit flavor)
2 tablespoons cornstarch
How you do it:
Combine all ingredients( except cornstarch)in a boiler and bring to a boil
Add cornstarch ( slurry)
To pot and cook until thicken
Pour into baking dish with raw bottom pie dough
Add top crust and brush with melted butter and cinnamon sugar
Cook in 350 degree oven for 45 minutes or until golden brown
