Soak 1 cup short grain rice with 2 cups water. Soaking the rice in water helps soften the rice as short grain rice can be hard in the center if not soaked. (optional - soak your shiitake mushrooms if they are the dried kind. If the shiitake mushrooms are fresh, skip this step).
While rice is soaking, you can prep the other ingredients. Slice 4 shiitake mushrooms and green cabbage. Slice ginger and mince garlic.
After prepping, wash your rice with running water until the water is clear (takes 4-6 times). Strain the rice and make sure it has as little water as possible. This ensures that you can add the most accurate amount of water in the next step.
Next, add all the ingredients to the rice: add 1 cup of water, sliced shiitake mushrooms, cabbage, garlic, oyster sauce, and salt. Mix together well and top it off with sliced ginger.
Place rice in the rice cooker. If you don’t have a rice cooker, see how to make this rice on the stovetop with instructions below. Press the button and wait!
Slice green onions and ginger. Open your tinned fish. Set aside until your rice is ready. Once the rice is ready, take out the sliced ginger and throw it away. Mix together rice.
To make hot oil: heat your oil on the stove until you see some smoke.
Add sliced onions, ginger, sardines, on top of your rice. Then add a spash of hot oil and soy sauce to taste. Serve with lemon zest (optional) and enjoy!