A method may include grinding raw whole muscle meat into a ground meat material and heating the ground meat material to cook the ground meat material into a cooked ground meat material suitable for consumption. The method may also include freezing the cooked ground meat material and mixing the frozen and cooked ground meat material with an additive comprising a starch to produce a meat mixture. The method may further include pressing the meat mixture into a formed shape and slicing the formed shape into meat portions of a predetermined size.