Tool for cutting food into pieces

The invention relates to a tool (1) for cutting food into pieces, comprising at least one cutting element (2) adjacent to a bearing surface (3), the cutting element (2) comprising at least one vertical member (11) forming a longitudinal cutting member (13) provided for slicing the food to be cut longways, and a transverse wall (10) having, on either side of said vertical member (11), two transverse cutting members (14) provided for separating the food pieces that were sliced longways, so as to provide two channels (12) for cut food. According to the invention, said vertical member (11) has a front notch (15), the longitudinal cutting member (13) being arranged between the transverse wall (10) and the front notch (15). A retaining member (4), which is rigidly connected to the bearing surface (3), can be inserted into the front notch (15). The invention also relates to an accessory for preparing food and to an appliance for preparing food comprising the above-described tool (1) for cutting food into pieces.