PROBLEM TO BE SOLVED: To efficiently flow air to an inner wall of fried tofu for expanding the fried tofu, and put rice seasoned with vinegar, sugar and salt in a depth part of the fried tofu easily without breaking the fried tofu.SOLUTION: A production device comprises: a fried tofu intermittent transport mechanism V1 for intermittently transporting pieces of fried tofu Q toward a certain direction with certain intervals; gripping mechanisms 17a, 17b disposed on one side of downstream of the fried tofu intermittent transport mechanism V1 so as to open a notch part of the fried tofu Q; a seasoned rice extrusion rod 9 for extruding pieces of seasoned rice P which are formed into a predetermined shape from the opening side toward inside of each of pieces of fried tofu Q; and a seasoned rice introduction guide mechanism 10 formed of vertical pair of guide pieces 10a, 10b whose tip ends are opened by press force applied from a rear side by the seasoned rice extrusion rod 9 following to an advance movement toward
