Bring a pot of water to boil.
Put in the vegetables and cook by stirring them frequently until they are done. About 2 minutes.
Do add 1/2 tsp of salt to prevent the vegetables turn yellow.
Place it on a plate.
Pour the oyster sauce on top.
Bring oil and garlic to fry until garlic turn golden brown and pour on top the oyster sauce.
Mix well and serve immediately. Enjoy!