Boil the cauliflower

• Bring a large pot of salted water to a boil.
• Lower in the whole cauliflower and boil until a knife slides in easily.

Make the lemon Dijon rub

• Whisk the olive oil, Dijon mustard, lemon zest, lemon juice, garlic, salt and pepper in a bowl.

Roast the cauliflower

• Preheat the oven to 200 °C.
• Drain the cauliflower well and place it in a baking dish.
• Brush it all over with the lemon Dijon rub.
• Roast until deeply golden and tender.

Make the tahini sauce

• Stir the tahini with the cold water and a pinch of salt until smooth and pourable.
• Add a little lemon juice to taste.

Make the herb salsa

• Mix the parsley, cilantro and mint with a splash of olive oil and lemon juice.

Serve

• Slather the roasted cauliflower with the tahini sauce.
• Top with the herb salsa and serve warm.