Wash the fernbrake and mushrooms thoroughly and cut them into bite-sized pieces.
Rinse the rice and soak it in water for about 30 minutes.
Heat sesame oil in a pan and stir-fry the fernbrake and mushrooms.
Place the soaked rice and stir-fried ingredients into a rice cooker and add water.
Season with salt and cook the rice.
Once the rice is done, mix well and serve on a plate.