Prep time: 12 minCooking Time: 35 minServes: 4 Individuals 1 lemon6 tbsp extra-virgin olive oil, plus extra to finish1 red onion, peeled and finely sliced1½ tsp salt2 bay leaves2 sprigs thyme, leaves picked4 garlic cloves, peeled and finely sliced4 medium leeks (about 600g), peeled, washed and cut into 1cm rounds2…