½ cup sugar 1 tablespoon cornstarch 4 cups blueberries 1 teaspoon lemon juice 1 cup gold medal flour 1 tablespoon sugar 1 ½ teaspoons baking powder ½ teaspoon salt 3 tablespoons shortening ½ cup milk Heat oven to 400 degrees.  Blend ½ cup sugar and the cornstarch in a medium saucepan.  Stir in blueberries and…