Prepare rice and ingredients.
Season the rice with sesame oil and salt.
Finely chop the fillings (Spam, kimchi, egg, etc.).
Stir-fry the filling ingredients in a pan.
Divide the rice in half and shape into round patties.
Place the filling on one patty and cover with the other rice patty.
Wrap with plastic wrap to shape it.
Add your desired toppings.