Soak the dried flat rice noodle in water for 1hr.
Make the sauce by combining the sugar, dark and light soy sauce, oyster sauce and fish sauce in a small bowl.
Saute the garlic and shallots in a heated pan until the garlic turn light brown.
Add the chicken in the pan then saute it together with the garlic and shallots until the chicken turns a little brown as well.
Add egg in the pan then whisk the egg to break the yolk then mix it with the chicken.
Add the broccoli into the pan saute it along with other ingredients that are already in the pan.
Add the sauce that you made earlier to the pan mix it a little then add the soaked rice noodle into the pan.
Saute the noodle along with all the ingredients that are already in the pan until the noodle is cooked.
Remove the pad see ew from the pan and place it in a shallow plate then sprinkle on top the black pepper, add the diagonally cut chili pepper then lastly pour vinegar on top of the noodles.