Wok-tossed noodles seared over ferocious heat with spring onions, beansprouts, aromatic garlic, and savoury seasoned sauce.
Mix the beef with lemongrass, garlic, fish sauce, oyster sauce, and sugar; rest for 15 minutes.
Sear the beef over high heat in a wok for 2-3 minutes until browned but tender.
Divide the noodles, cucumber, and pickles between bowls.
Spoon the hot beef and its juices over the vegetables.
Garnish with mint and coriander, add nuoc cham, and toss.