Filling * 2 cups Sugar * 5 Tbs cornstarch * 4 cups sliced rhubarb * 4 cups fresh strawberries * 1/4 cup butter Pastry * 2/3 cup shortening * 2 cups flour * 2 Tbs Sugar * pinch of salt * 4 - 5 Tbs ice water * 3 Tbs butter, melted * 2 Tbs Sugar * Preheat oven to 400F