The invention concerns a kitchen appliance comprising a stirring unit 5, 6 and a pot 2. An insert pot 3 is provided, which can be inserted in the pot 2 such that an interspace 4 remains between the pot 2 and the insert pot 3, wherein the stirring unit 5, 6 has a tool 5 for blending and/or chopping that is located in the interspace 4 when the insert pot 3 is inserted. The invention further comprises the use of the kitchen appliance for the preparation of chocolate and an insert system for a kitchen appliance.