Grilled hanger steak with smoked potatoes and grilled onion from the Big Green Egg

Ingredients

• 800 g hanger steak
• 2 tbsp olive oil
• Freshly ground black pepper to taste
• Sea salt to taste
• 3 red onions
• 1 bunch of thyme
• 1 bunch of rosemary
• 1 kg Nicola potatoes
• ½ bulb of fresh garlic (halved width wise)
• 1 large sprig of thyme
• 1 large sprig of rosemary
• 2 cloves of fresh garlic
• 200 g butter at room temperature
• 80 g rocket
• Freshly ground white pepper to taste
• Fleur de sel to taste
• 5 g rocket
• 5 chive flowers