Steamer for the simultaneous cooking of various foods. It differs from other products on the market displaying three trays placed on top of each other. On top of the base are placed two baskets side by side and, above them, there is a separate tray. This system ensures multiple cooking, but also keep the top food completely separate. The baskets can be removed to insert larger food or occupy the entire containment compartment of the two baskets. Key features include ease of use, ease of food insertion and extraction, stability and safety, visibility and control during cooking.