Abstract: An electric mixer to modify the consistency of the phase of a confectionery product, includes a container for the product, a member closing the container and a tool for working the product which are in line with each other and a movement device capable of moving the container. The movement device includes a first reversible movement of the open container with respect to the closing member between an initial position in which the container is open and a final position in which the container is closed, and a second reversible movement of the closed container with respect to the tool between an initial position of minimum penetration of the tool into the container and a final position of maximum penetration of the tool into the container.