Absolutely delicious! The combination of raspberry/blueberry was perfect!. 2 1/2 cups all-purpose flour Pinch of salt 1/2 cup chilled unsalted butter, cut into 1/2-inch cubes 6 tablespoons chilled solid vegetable shortening, cut into 1/2-inch cubes 1/4 cup sour cream or plain yogurt 3 tablespoons ice water Nonstick vegetable oil spray for the pie plate 3…