Mix the rice, salt, sesame seeds, sesame oil, and crushed seaweed in a bowl until evenly combined.

Heat a pan and lightly grease it with vegetable oil using a kitchen towel.

Spread the rice mixture thinly and evenly on the pan to create a crispy layer.

Cook on medium-low heat until the rice starts to crisp, then add mozzarella cheese on top and cover with a lid to melt the cheese.

Once the cheese is melted, cut the crispy rice layer in half using a spatula.

Flip the halves and cook both sides until golden and crispy.

Slice into bite-sized pieces and serve.