tofu - 1 block (1 block, cut into 5cm squares)
ground beef - 100 g (finely chopped)
shiitake mushrooms - 2 pieces (remove stems and finely chop)
seaweed sheet (gim) - 1 sheet (1 sheet to wrap tofu sandwich)
green onion - 1/2 stalk (half, cut into thin 6cm strips and soaked in cold water)
cornstarch - 3 tablespoons (for coating tofu)
cooking oil - about 1 tablespoon (for frying)
salt - to taste (for seasoning tofu)
black pepper - to taste (for seasoning tofu and filling)
soy sauce (for filling) - 1 tablespoon (for mixing with beef and mushrooms)
sugar (for filling) - 1/2 tablespoon (for mixing with beef and mushrooms)
minced garlic (for filling) - 1 teaspoon (for mixing with beef and mushrooms)
water (for braising sauce) - 2 tablespoons (for simmering tofu)
soy sauce (for braising sauce) - 1 tablespoon (for simmering tofu)
cooking wine (mirin or similar) - 1 tablespoon (for braising sauce)
sugar (for braising sauce) - 1/2 tablespoon (for braising sauce)
minced garlic (for braising sauce) - 1 teaspoon (for braising sauce)
sesame oil - 1/2 tablespoon (for braising sauce)