Method : Soak the shiitake mushrooms until softened. Squeeze out the excess water. Finely chop. Set aside. Mix the pork mince with the marinade. Set aside for 20 minutes.Carefully remove the tofu from the packet. Cut into pieces. Place in a deep dish. Steam in a wok over high heat for about 8 minutes. Set aside.Meanwhile, use another wok or pan. Heat oil over medium-high heat. Saute the shallot until aromatic. Add the mushroom. Stir and cook until aromatic. Add the pork and cook until its colour is changed. Along the way of cooking, use a spatula to break apart the pork lumps. Add the corn kernels. Pour in the chicken stock and cook until the pork is cooked through. The sauce is reduced to one-third. Stir in the sauce and cook to preferred consistency. Add spring onion. Pour over the steamed tofu. Serve hot. Enjoy!