Old-fashioned Blackberry Pie

Description
Purchased from Tibbenham Estate in Anna, Texas in 1997. Dated 1962. Indicates this was Sara Beth's favorite pie.

Ingredients

 * 2 tablespoons unsalted butter, softened
 * 1-1/2 cups cake flour
 * ½ cup granulated sugar
 * 1-1/2 cups buttermilk at room temperature
 * 101/2 teaspoons baking powder
 * 1 teaspoon cinnamon
 * ½ teaspoon salt
 * 4 cups fresh blackberries

Directions

 * 1) Melt butter in a glass square baking dish.
 * 2) Combine flour, Sugar, baking powder, cinnamon and salt.
 * 3) Add buttermilk and stir until moistened.
 * 4) Spoon the blackberries over the batter.
 * 5) Do not stir. Bake in 325 oven for 45 minutes.
 * 6) Serve warm with whipped cream.

Contributed by:
Cat's Recipes Y-Group