Vegetable can be cooked with adding a very small amount of liquid, maybe also some fat. Water steam will condense at the lid flowing back into the cooked food. You may also use this pot for roasting/braising.Eating healthy, savouring consciously, feeling good... WMF Topstar System matches this life-style: a well-conceived system consisting of pots, inserts, accessories for healthy cooking. All components complement each other and can be combined with each other. Inserts sit tightly on the pot rims ensuring easy work. The pots can be stacked into each other to save space in the kitchen cabinet.