Boil water in a pot and add 1/2 tbsp of coarse salt.

Cut broccoli into bite-sized pieces.

Slice green onion and garlic.

Remove stems from mushrooms and cut them into halves or quarters.

Blanch broccoli in boiling water for about 2 minutes, then rinse under cold water and drain.

Heat a pan with cooking oil and sauté garlic and green onion over medium-low heat for about 30 seconds.

Add mushrooms and blanched broccoli to the pan.

Add 1.5 tbsp oyster sauce and 1 tsp sugar to the pan. If oyster sauce is unavailable, substitute with 1 tsp sugar and 1.5 tbsp soy sauce.

Sprinkle ground pepper and stir-fry over medium heat for 2 minutes, then turn off the heat.