Clean the shiitake mushrooms by gently wiping them with a damp cloth or kitchen towel. Remove any debris or dust.

Trim the stems of the mushrooms and slice the caps into bite-sized pieces.

Slice the green onion and onion into thin pieces.

Heat 2 tbsp of vegetable oil in a wok or deep pan over medium heat. Add the sliced green onion and sauté until fragrant.

Add the shiitake mushrooms and onion slices to the pan and stir-fry for 3–5 minutes.

Season with 1/3 tbsp of salt and continue stir-frying until the mushrooms release their juices.

Add 1 tbsp of minced garlic and stir well to combine.

Drizzle 2 tbsp of sesame oil over the mixture and stir to coat evenly.