Creamy Blackberry Pie Recipe for Dessert

Ingredients

• 3 cups fresh blackberries
• 1 unbaked 9 -inch deep dish pastry shell
• 3/4 to 1 cup sugar, depending on sweetness of berries
• 1/3 cup all purpose flour
• 1/8 teaspoon salt
• 2 eggs beaten
• 1/2 cup commercial sour cream
• 1/2 cup sugar
• 1/2 cup all purpose flour
• 1/4 cup butter
• additional blackberries for garnish optional