Lobster Tail with Cauliflower and Truffle Recipe - Great British Chefs

Ingredients

• 4 lobsters, native, weighing approx. 450g each, placed in the freezer for a few hours to render them unconscious
• 100ml of olive oil
• 150g of unsalted butter
• 4 carrots, roughly chopped
• 1 onion, roughly chopped
• 1 celery stick, roughly chopped
• 1/2 small leek, roughly chopped
• 2 garlic cloves, roughly chopped
• 6 sprigs of fresh thyme
• 1 tbsp of tomato purée
• 2 sprigs of tarragon
• 2l water
• sea salt
• 1 medium cauliflower
• 125g of unsalted butter
• 1 black winter truffle