1
Put the steak in a dish with a drizzle of oil, the fish sauce and plenty of black pepper. Set aside.
2
Place a griddle pan over a high heat. Toss the vegetables in a little oil, then griddle them for 2–3 minutes on all sides, or until lightly charred. Tip into a serving dish.
3
Remove the steak from the marinade, add to the pan and griddle for 1–2 minutes each side. Remove from the pan and set aside to rest.
4
To make the dressing, put the lime juice, fish sauce and sugar into a bowl and whisk until the sugar has dissolved, then whisk in the oils.
5
Slice the steak into generous slices and arrange on top of the griddled veggies. Scatter with the coriander leaves and peanuts, drizzle over the dressing and serve.