In 8 cup casserole, combine veggies and butter. Cover and cook at 100% for 5-7 minutes, stirring once midway. Add spinach and set aside. In another bowl, mix egg, flour, cream, oil, salt, pepper and cheddar cheese. Pour over veggies, cover with mozzarella, sprinkle with paprika. Put on a raised rack and cook at 70% for 15-17 minutes. Let stand 5 minutes.