Makes 350g, use 70g per serving
Wash bok choy and mushrooms thoroughly and cut them into bite-sized pieces.
Heat cooking oil in a pan over medium heat.
Add mushrooms first and sauté briefly.
Add bok choy and stir-fry together.
Add soy sauce, mirin, sugar, and water, and simmer.
Finish with a drizzle of sesame oil and a sprinkle of sesame seeds.