Abstract: A plate-shaped cooked rice molding jig includes: a molding frame having a through window formed of a side molding surface that molds an outer peripheral side portion of the plate-shaped cooked rice; and a base plate having lower portion molding surface for molding a bottom side portion of the plate-shaped cooked rice on an upper surface thereof. In a state where the molding frame is placed on the base plate, a cooked rice storing space that stores the cooked rice by covering the through window by the base plate from below, and a slatted mat placing portion for placing a slatted mat between the molding frame and the base plate is formed.

Abstract: A sheet-shaped cooked rice forming jig includes: a forming frame for forming a sheet-shaped cooked rice, the sheet-shaped cooked rice being formed by packing a cooked rice in the forming frame; and a leveling spatula for leveling the cooked rice packed in the forming frame into a sheet shape. The forming frame is a flat-plate-like member having a predetermined thickness where upper and lower surfaces of the forming frame are formed into a flat surface. The forming frame is formed in a window shape in an endless manner so as to form a cooked rice packing portion in a penetrating manner inside the forming frame. The cooked rice is packed into the cooked rice packing portion, and the leveling spatula is formed of: a grip portion; and a spatula body portion extending from a distal end of the grip portion and having a flat shape.