ground cinnamon ; 2 cups fresh blueberries 2 cups frozen sour cherries 1 ⁄ 2 tsp. 4 tbsp. Ingredients. sugar ; 2 tbsp. Press one of the pie crusts into a 9 inch pie plate. vegetable shortening 3 ⁄ 4 cup plus 1 tbsp. cornstarch 1 ⁄ 4 tsp. In a large bowl, stir together 1/2 cup of sugar, cornstarch and cinnamon. Stir in the