White Basics Oval Au Gratin Dish 19.5cm P017326. These classic french au gratins come in three sizes, and are a versatile addition to the kitchen. The White Basics Oven-to-Table collections have all the essential pieces for the keen chef!?Offering great value for money, they are fridge, oven, microwave and dishwasher safe. Perfect for cooking in or serving your favourite dish. Smooth white glazed finish. Fridge, oven, microwave andamp; dishwasher safe.