1. Prepare Orange Custard Sauce. 2. Place plums in a 9-inch pie plate coated with cooking spray. Sprinkle with sugar. Pour apple juice over plums. Bake at 400° for 18 to 20 minutes or just until plums are tender. Let cool slightly. 3. Spoon warm plums and juice evenly into individual dessert dishes. Top with Orange Custard Sauce.