1.
Whisk together the oyster sauce, fish sauce and sugar in a bowl.
2.
Heat the oil in a wok over medium-high heat until the oil begins to smoke. Add the garlic and chillies stirring quickly.
3.
Stir in the chicken, capsicum, onion and oyster sauce mixture; cook until the chicken is no longer pink.
4.
Raise heat to high and stir in the chilled rice; stir quickly until the sauce is blended with the rice. Use the back of a spoon to break up any rice sticking together.
5.
Remove from heat and mix in the basil leaves. Garnish with sliced cucumber and coriander as desired.