You can make delicious pilaf in a rice cooker just with the broth from the mussels and a pinch of salt.
This is my own variation of a recipe that I found on a Middle Eastern cooking book. I rearranged it so I can cook it in a rice cooker.
The key when you cook pilaf in a rice cooker is not to mix the ingredients. Place them on top of the rice, and it will turn out well.
Enjoy Japanese food around the world.