This flavorful broccoli and cauliflower bake is made with a white sauce and topped with parmesan cheese and buttery breadcrumbs. It is perfect for an everyday family mealafter all, it's a tasty way to get people to enjoy these nutritious vegetablesbut it's also special enough for a holiday table or potluck. This casserole recipe is also a great way to use up broccoli and cauliflower you bought as part of a raw vegetable tray but your guests didn't eat. You can include leftover baby carrots, as well, or any other hardy vegetables that won't wilt during the cooking process.