Wash the mushrooms thoroughly and cut them into bite-sized pieces.
Slice the onion and carrot thinly.
Add cooking oil to a pan and preheat over medium heat.
Stir-fry the onion and carrot first.
Add the mushrooms and season with salt and pepper while stir-frying.
Once the mushrooms are softened, drizzle a little sesame oil.
Sprinkle sesame seeds to finish.