Cook with steam, bake and roast with hot air, or do both with Siemens steam ovens . The innovative combination of steam and hot air makes them ideal not only for meat, fish and vegetables, but also for bread, cake and roasts. Siemens steam ovens are the healthy alternative to conventional ovens. Steaming retaining the nutrients, vitamins and flavours of food These combi-ovens are also very practical, because if you don't have much time but still want to eat well, Siemens steam ovens make it easy to warm up pre-prepared food. Vegetables warm up quickly with steam, while staying crispy and delicious.