An ice-making assembly for installation in a domestic refrigerator or freezer is provided. The ice-making assembly comprises: a frame structure; and first and second ice-making trays supported for rotation about a rotational axis with respect to the frame structure between an ice production position and an ice discharge position, wherein the first and second ice-making trays are disposed behind one another in a direction of the rotational axis and each have a tray longitudinal dimension in the direction of the rotational axis that is larger than a tray width direction in a direction transverse to the rotational axis.