Step 1

Soak the noodles in a bowl of boiling water for 5 minutes to soften, then drain.

Step 2

Meanwhile, mix the sauces in a bowl with the garlic, ginger and vinegar.

Step 3

Cook broccolini in boiling salted water for 2-3 minutes until bright green and still slighty crisp. Drain and set aside.

Step 4

Heat oil in a wok over medium-high heat. Add beef and stir-fry for 2-3 minutes until browned and cooked. Add noodles, sauce mixture, broccolini and onion and stir-fry for 1 minute to heat through. Divide among bowls, then serve sprinkled with sesame seeds and extra spring onion.