Ingredients: 
1 bowl of cooked rice
1 tablespoon of black truffle Mushroom sauce, Mushroom Royal Sauce, or spicy Mushroom Royal sauce
Appropriate amount of olive oil, light soy sauce, tomato sauce, water(or soup-stock), water starch, salt

Instructions: 
1. Heat a little oil in the pot, mix the mushroom Royal sauce, light soy sauce, tomato sauce, appropriate amount of stock (or water), water starch into the pot and boil to thicken.
2. Place a bowl of rice upside down on a plate, top with sauce and serve.