cooking oil • garlic (sliced or chopped finely) • mushroom (I used Buna Shimeji here, you can also use fresh Shiitake or Maitake mushroom). The mushroom do not need to be washed • green vegetables (I used Chinese lettuce here, you can also use Xiao Bai Cai, Nai Bai, Cai Xin) • oyster sauce • light soy sauce • sesame oil