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1
Combine the oyster sauce, fish sauce, light soy sauce, dark soy sauce, and sugar in a small bowl and set aside. Pound the garlic and bird's eye chillies together in a mortar until bruised and broken with rough integration — not a smooth paste — so the rough texture catches the wok and fries rather than steaming in its own moisture. Pick the grapao leaves, ensure they are clean and completely dry, portion the pork, and have every component within arm's reach of the wok before applying any heat, because the dish moves at 90 seconds once the wok is on.
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2
Heat the wok over maximum heat until it begins to smoke, then add the 2 tablespoons of neutral oil. Add the roughly pounded garlic-chilli mixture and fry for 15 seconds without stirring, so the direct contact with the wok draws out the deep, toasted fragrance rather than the raw bite you get from a quick toss. The dish is on course when, within those 15 seconds, an immediate and explosive aromatic release — garlic, capsaicin, hot oil — fills the kitchen.
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3
Add the minced pork and spread it across the wok surface in a single layer, so the maximum surface area meets the metal and you build Maillard colour rather than grey, steamed meat. Do not stir; allow 30 seconds of uninterrupted contact between the pork and the wok surface. The pork is ready to break up when the underside shows brown, not grey, and the sizzle deepens in tone.
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4
Break up the pork and stir-fry for a further 60–90 seconds until cooked through, then add the combined sauce in one motion and toss to coat, so the sauce hits the hottest part of the wok and reduces immediately to a glaze rather than pooling and stewing the meat. The pork is done when it is fully coloured, slightly caramelised at the edges, and the sauce has reduced to a glossy coating with no pooled liquid in the wok.
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5
This is where the dish lives or dies: remove the wok from the heat entirely before adding the grapao, because if the leaves hit live flame, the volatile aromatics that define the dish — that sharp, clove-forward burst — vaporise within 30 seconds and nothing can bring them back. Off heat, add the holy basil leaves in one motion and toss once; the residual heat of the wok wilts the leaves in approximately 10 seconds. The leaves should darken to a slightly translucent deep green, and the aromatic signal of success — immediate and unmistakable — tells you they are done.
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6
In a separate pan with generously hot oil, fry the eggs one at a time: crack each egg from a low height into the hot oil so the white sets in contact with the oil rather than spreading thin across a dry surface, and cook until the white is fully set, the edges are lacy, golden, and crisp, and the yolk remains runny. The egg is ready when the lace at the perimeter is deep gold and holds its structure when the pan is tilted.
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7
Plate immediately — steamed jasmine rice, the pork and basil over the rice, the fried egg on top — and carry the dish to the table while the clove note from the grapao is still clearly detectable, as that aromatic charge fades within the first minutes after plating. Serve at once.