Smart Cuisine Lids New Smart Cuisine Lids, the perfect multifunctional solution for your kitchen: cook, serve and store. Made from culinary opal, this range consists of oven dishes available in two shapes: rectangular and oval. These elegant baking dishes with lids go easily from heating and baking in the oven to serving and storage. They are shatter-proof, dishwasher-safe and nestable for space-saving kitchen organisation.