Steak Diane with potato salad

1 Place potatoes in a medium saucepan and cover with cold water. Bring to the boil and cook, uncovered, for about 12-15 minutes, or until tender. Remove from heat. Drain and set aside.

2 Meanwhile, preheat a chargrill pan over medium-high heat with the olive oil. Spray steak with cooking oil. Grill for about 3 minutes each side for medium, or until cooked to your liking. Transfer to a plate. Cover with foil and set aside to rest.

3 To make the sauce, heat the oil in a pan and cook the onion for 5-6 minutes, until lightly browned. Stir in the Worcestershire sauce, mustard and balsamic vinegar and simmer for a few minutes. Set aside.

4 Cut potatoes in half and place in a bowl. Add sour cream and onion and season with pepper. Gently stir to combine. Place potato and rocket on serving plates. Top with steak, drizzle with sauce and serve.