Heat oil in wok and stir-fry prawns until just cooked.

Remove prawns and add garlic and chilli to pan

When aromatic, add pak choy and stir until wilted.

Add oyster sauce, stock and sesame oil and stir to combine.

In a bowl, cover noodles with boiling water and set aside for 2-3 minutes.

Stir to separate then drain.

Combine pak choy, prawns and noodles and stir to heat through.

Serve topped with green onions.