Pat the thick fried tofu with a paper towel to remove excess oil. Cut it into halves along the short side, then into thirds along the long side.

In a bowl, mix natto, its included sauce, kimchi, and sesame oil to create the kimchi natto mixture.

Place the tofu pieces on a baking tray lined with aluminum foil. Top each piece with the kimchi natto mixture and then sprinkle cheese on top. Bake in a toaster oven for about 5 minutes until the cheese is golden brown.